Simplify each expression. sinθ+tanθ / 1+cosθ

Answers

Answer 1

The expression (sinθ + tanθ) / (1 + cosθ) can be simplified to secθ.

To simplify the given expression, we can start by expressing tanθ in terms of sinθ and cosθ. The tangent function is defined as the ratio of the sine of an angle to the cosine of the same angle, so tanθ = sinθ / cosθ.

Substituting this into the expression, we have (sinθ + sinθ/cosθ) / (1 + cosθ).

Next, we can find a common denominator by multiplying the numerator and denominator of the first fraction by cosθ. This gives us (sinθcosθ + sinθ) / (cosθ + cosθcosθ).

Now, we can combine the terms in the numerator and denominator. The numerator becomes sinθcosθ + sinθ, which can be factored as sinθ(cosθ + 1). The denominator is cosθ(1 + cosθ).

Canceling out the common factor of (1 + cosθ) in the numerator and denominator, we are left with sinθ / cosθ, which is equivalent to secθ.

Therefore, the simplified expression is secθ.

Learn more about tangent function here:

brainly.com/question/30162652

#SPJ11


Related Questions

Help me i'm stuck 1 math

Answers

Answer:

V=504 cm^3

Step-by-step explanation:

The volume of a rectangular prism = base * width * height

V = 8*7*9 = 504 cm^3

AB 8a 12b
=
SEE
8a 12b
ABCD is a quadrilateral.
A
a) Express AD in terms of a and/or b. Fully simplify your answer.
b) What type of quadrilateral is ABCD?
B
BC= 2a + 16b
D
2a + 16b
9a-4b
C
DC = 9a-4b
Not drawn accurately
Rectangle
Rhombus
Square
Trapezium
Parallelogram

Answers

AD in terms of a and/or b is 8a - 126.

a) To find AD in terms of a and/or b, we need to consider the properties of quadrilaterals. In a quadrilateral, opposite sides are equal in length.

Given:

AB = 8a - 126

DC = 9a - 4b

Since AB is opposite to DC, we can equate them:

AB = DC

8a - 126 = 9a - 4b

To isolate b, we can move the terms involving b to one side of the equation:

4b = 9a - 8a + 126

4b = a + 126

b = (a + 126)/4

Now that we have the value of b in terms of a, we can substitute it back into the expression for DC:

DC = 9a - 4b

DC = 9a - 4((a + 126)/4)

DC = 9a - (a + 126)

DC = 9a - a - 126

DC = 8a - 126

Thus, AD is equal to DC:

AD = 8a - 126

For more such questions on terms,click on

https://brainly.com/question/1387247

#SPJ8

The probable question may be:
ABCD is a quadrilateral.

AB = 8a - 126

BC = 2a+166

DC =9a-4b

a) Express AD in terms of a and/or b.

3 The transformation T sends
(1, 2) --> (3, -1)
(-2, 0) --> (-4, 2)
(0, 4) --> (2, 2)
Is T a linear transformation? If it is, find a matrix representation for T. If it's not, explain why.

Answers

we cannot find a matrix representation for T.

To determine whether the transformation T is linear, we need to check two conditions:

Preservation of addition: T(u + v) = T(u) + T(v) for any vectors u and v.

Preservation of scalar multiplication: T(cu) = cT(u) for any scalar c and vector u.

Let's check if these conditions hold for the given transformation T:

(1, 2) --> (3, -1)

(-2, 0) --> (-4, 2)

(0, 4) --> (2, 2)

Condition 1: Preservation of addition.

Let's take the first and second vectors: (1, 2) and (-2, 0).

T((1, 2) + (-2, 0)) = T((-1, 2)) = (3, -1)

T(1, 2) + T(-2, 0) = (3, -1) + (-4, 2) = (-1, 1)

We can see that T((1, 2) + (-2, 0)) ≠ T(1, 2) + T(-2, 0). Therefore, condition 1 is not satisfied, which means that T does not preserve addition.

Since T fails to satisfy the preservation of addition, it cannot be a linear transformation. Therefore, we cannot find a matrix representation for T.

Learn more about Matrix here
https://brainly.com/question/28180105

#SPJ11

Write log92 as a quotient of natural logarithms. Provide your answer below:
ln___/ ln____

Answers

log₉₂ can be expressed as a quotient of natural logarithms as ln(2) / ln(9).

logarithm, the exponent or power to which a base must be raised to yield a given number. Expressed mathematically, x is the logarithm of n to the base b if bx = n, in which case one writes x = logb n. For example, 23 = 8; therefore, 3 is the logarithm of 8 to base 2, or 3 = log2 8

To express log₉₂ as a quotient of natural logarithms, we can use the logarithmic identity:

logₐ(b) = logₓ(b) / logₓ(a)

In this case, we want to find the quotient of natural logarithms, so we can rewrite log₉₂ as:

log₉₂ = ln(2) / ln(9)

know more about logarithms here:

https://brainly.com/question/1204996

#SPJ11

Solve 3x=11 o x=ln11−ln3
o x=ln3−ln11
o x=ln11/ln3
o x=11/3

Answers

The correct solution to the equation 3x = 11 is x = ln11 - ln3.

To solve the equation 3x = 11, we can use logarithmic properties to isolate the variable x. Taking the natural logarithm (ln) of both sides, we have ln(3x) = ln(11). Using the logarithmic rule for the product of terms, we can rewrite ln(3x) as ln(3) + ln(x).

Therefore, the equation becomes ln(3) + ln(x) = ln(11). Rearranging the terms, we have ln(x) = ln(11) - ln(3). By the logarithmic property of subtraction, we can combine the logarithms, resulting in ln(x) = ln(11/3). Finally, exponentiating both sides with base e, we find x = ln(11/3).

learn more about "logarithmic ":- https://brainly.com/question/25710806

#SPJ11

im having trouble to find the inverse function in slope for f(x)=-x-6

Answers

Answer:

y=-x-6

Step-by-step explanation:

First step is to put y=-x-6

Second step is to replace the y with x and the x with y:

x=-y-6

Now solve for y:

-y=x+6

y=-x-6

In this case the inverse is the same as the equation

iii) Determine whether A=[−10,5)∪{7,8} is open or dosed set. [3 marks ] Tentukan samada A=[−10,5)∪{7,8} adalah set terbuka atau set tertutup. 13 markah

Answers

A=[−10,5)∪{7,8} is a closed set.

A closed set is a set that contains all its limit points. In the given set A=[−10,5)∪{7,8}, the interval [−10,5) is a closed interval because it includes its endpoints and all the points in between. The set {7,8} consists of two isolated points, which are also considered closed. Therefore, the union of a closed interval and isolated points results in a closed set.

Learn more about set

brainly.com/question/8053622

#SPJ11

1 1 0
A15 Let B = 0 · 2 1 and let L : R³ → R³ be the
-1 0 1 linear mapping such that
L(1,0, −1) = (0,1,1)
L(1, 2, 0) = (-2,0,2)
L(0, 1, 1) = (5, 3, −5)
(a) Let x = 7. Find [x] B. 6
(b) Find [L]g.
(c) Use parts (a) and (b) to determine L(x).

Answers

Linear Mapping

a. [x]B = (-15, 7, 0)

b. [L]g = [[0, 0, 0], [1, 0, 0], [1, 0, 0]]

c. (0,1,0) = 0*(1,0,0) + 1*(0,1,0) + 0*(0,0,1),

   (2,0,1) = 2*(1,0,0) + 0*(0,1,0) + 1*(0,0,1),

   (-1,1,0) = -1*(1,0,0) + 1*(0,1,0) + 0*(0,0,1).

(a) To find [x]B, we need to express the vector x = (7) in the basis B = {(0,1,0), (2,0,1), (-1,1,0)}. We can write x as a linear combination of the basis vectors:

x = a(0,1,0) + b(2,0,1) + c(-1,1,0),

where a, b, and c are scalar coefficients to be determined. We can solve for these coefficients by setting up a system of linear equations using the given basis vectors:

0a + 2b - c = 7,

1a + 0b + c = 0,

0a + 1b + 0c = 15.

Solving this system of equations, we find a = -15, b = 7, and c = 0. Therefore, [x]B = (-15, 7, 0).

(b) To find [L]g, we need to determine the matrix representation of the linear mapping L with respect to the standard basis g = {(1,0,0), (0,1,0), (0,0,1)}. We can determine the matrix by applying L to each basis vector and expressing the results as linear combinations of the basis vectors g:

L(1,0,0) = L(1*(1,0,0)) = 1L(1,0,-1) = 1(0,1,1) = (0,1,1) = 0*(1,0,0) + 1*(0,1,0) + 1*(0,0,1),

L(0,1,0) = L(0*(1,0,0)) = 0L(1,0,-1) = 0(0,1,1) = (0,0,0) = 0*(1,0,0) + 0*(0,1,0) + 0*(0,0,1),

L(0,0,1) = L(0*(1,0,0)) = 0L(1,0,-1) = 0(0,1,1) = (0,0,0) = 0*(1,0,0) + 0*(0,1,0) + 0*(0,0,1).

Therefore, [L]g = [[0, 0, 0], [1, 0, 0], [1, 0, 0]].

(c) To determine L(x), we can use the matrix representation [L]g and the coordinate vector [x]g. Since we already found [x]B in part (a), we need to convert it to the standard basis representation [x]g. We can do this by finding the coordinates of [x]B with respect to the basis g:

[x]g = P[x]B,

where P is the transition matrix from B to g. To find P, we express the basis vectors of B in terms of g:

(0,1,0) = 0*(1,0,0) + 1*(0,1,0) + 0*(0,0,1),

(2,0,1) = 2*(1,0,0) + 0*(0,1,0) + 1*(0,0,1),

(-1,1,0) = -1*(1,0,0) + 1*(0,1,0) + 0*(0,0,1).

Learn more about: linear mapping

https://brainly.com/question/29551145

#SPJ11

Let Gn = (0, 1+1/n). Prove that ∩ Gn =
(0,1] is neither closed nor open.

Answers

The set ∩ Gn = (0,1] is neither closed nor open.

To prove that the set ∩ Gn = (0,1] is neither closed nor open, we need to examine its properties.

1. Closedness:

A set is closed if it contains all its limit points. In this case, the set ∩ Gn = (0,1] does not contain its left endpoint 0, which is a limit point.

Therefore, it fails to satisfy the condition for closedness.

2. Openness:

A set is open if every point in the set is an interior point.

In this case, the set ∩ Gn = (0,1] does not contain its right endpoint 1 as an interior point.

Any neighborhood around 1 would contain points outside of the set, violating the condition for openness.

Hence, we can conclude that the set ∩ Gn = (0,1] is neither closed nor open.

It is not closed because it does not contain all its limit points, and it is not open because it does not contain all its interior points.

Learn more about closed nor open:

brainly.com/question/33166130

#SPJ11

B. a) Find the equation of the circle with center (4, -3) and radius 7. 4 (2 marks) b) Determine whether the points P(-5,2) lie inside, outside or on the circle in part (a) (2 marks)

Answers

The equation of the circle with center (4, -3) and radius 7. 4 is x² + y² - 8x + 6y - 40 = 0. and the point P(-5,2) lies outside the circle.

a) Equation of the circle with a center (4,-3) and radius of 7 is given by the equation:

(x-4)²+(y+3)²=7².

(x-4)²+(y+3)²=7²x²-8x+16+y²+6y+9

=49x²+y²-8x+6y+9-49

=0

Therefore, the equation of the circle is x² + y² - 8x + 6y - 40 = 0.

b) The point P(-5,2) does not lie inside the circle because its distance from the center of the circle (4,-3) is greater than the radius of the circle i.e. d(P,(4,-3))>7.

So the point P(-5,2) lies outside the circle.

Learn more about circle  -

brainly.com/question/28162977

#SPJ11

Below is the graph of f(x) - In(x). How would you describe the graph of
g(x) = --In(x)?
2-
1
+
O A. g(x) compresses f(x) by a factor of
OB. g(x) shifts f(x) to the left units.
OC. g(x) stretches f(x) vertically by a factor of
OD. g(x) shifts f(x) vertically units.

Answers

Answer:

Based on the given description, we have the graph of f(x) = -ln(x). Let's analyze the impact of the function g(x) = -(-ln(x)) = ln(x).

A. g(x) compresses f(x) by a factor of 2:

This is not accurate because g(x) = ln(x) does not compress f(x) horizontally.

B. g(x) shifts f(x) to the left 1 unit:

This is accurate. The graph of g(x) = ln(x) will shift the graph of f(x) = -ln(x) to the right by 1 unit, not to the left.

C. g(x) stretches f(x) vertically by a factor of 2:

This is not accurate because g(x) = ln(x) does not stretch or compress the graph of f(x) vertically.

D. g(x) shifts f(x) vertically 2 units:

This is not accurate because g(x) = ln(x) does not shift the graph of f(x) vertically.

Therefore, the correct statement is:

B. g(x) shifts f(x) to the right 1 unit.



Assume y varies directly with x . If y=-3 when x=-2/5, what is x when y is 45 ?

Answers

Using the constant proportionality we get the value of x as 6 when y is 45.

Given that y varies directly with x.

If y=-3 when x=-2/5, then we can find the constant of proportionality by using the formula:

`y = kx`.

Where `k` is the constant of proportionality.

So we have `-3 = k(-2/5)`.To solve for `k`, we will isolate it by dividing both sides of the equation by `(-2/5)`.

Therefore we get `k = -3/(-2/5) = 7.5`

Now we can find x when y = 45 using the formula `y = kx`.

Therefore, `45 = 7.5x`.To solve for `x`, we will divide both sides by 7.5.

Therefore, `x = 6`.So when y is 45, x is 6. Hence, the answer is `6`.

To know more about  constant proportionality refer here:

https://brainly.com/question/8598338

#SPJ11

where r is the modulus of the complex numberu +−iV.
[15 points] Given function w=xyez. Find the following. (a) All first partial derivatives of w at (1,−1,0). (b) The directional derivative of w at (1,−1,0) along direction v=i+2j+2k. (c) Express ∂w/∂t if x=s+2t,y=s−2t,z=3st by the chain rule. Do NOT simplify.

Answers

A)The first partial derivatives of w at (1, -1, 0) are ∂w/∂x = -e²0 = -1,∂w/∂y = 1 × e²0 = 1,∂w/∂z = 1 ²(-1) ×e²0 = -1

B)The directional derivative of w at (1, -1, 0) along direction function is v = i + 2j + 2k is -1/3.

C)The expression for ∂w/∂t, without simplification, is 2(s - 2t)e²(3st) - 2(s + 2t)e²(3st) + 9s²s + 2t)(s - 2t).

To find all the first partial derivatives of w at (1, -1, 0), to find the partial derivatives with respect to each variable separately.

Given function: w = xy × e²z

∂w/∂x: Differentiating with respect to x while treating y and z as constants.

∂w/∂x = y × e²z

∂w/∂y: Differentiating with respect to y while treating x and z as constants.

∂w/∂y = x ×e²z

∂w/∂z: Differentiating with respect to z while treating x and y as constants.

∂w/∂z = xy ×e²z

(b) To find the directional derivative of w at (1, -1, 0) along the direction v = i + 2j + 2k,  to calculate the dot product of the gradient of w at (1, -1, 0) and the unit vector in the direction of v.

Gradient of w at (1, -1, 0):

∇w = (∂w/∂x, ∂w/∂y, ∂w/∂z) = (-1, 1, -1)

Unit vector in the direction of v:

|v| = √(1² + 2² + 2²) = √9 = 3

u = v/|v| = (1/3, 2/3, 2/3)

Directional derivative of w at (1, -1, 0) along direction v:

Dv(w) = ∇w · u = (-1, 1, -1) · (1/3, 2/3, 2/3) = -1/3 + 2/3 - 2/3 = -1/3

(c) To find ∂w/∂t using the chain rule,  to substitute the given expressions for x, y, and z into the function w = xy × e²z and then differentiate with respect to t.

Given: x = s + 2t, y = s - 2t, z = 3st

Substituting these values into w:

w = (s + 2t)(s - 2t) × e²(3st)

Differentiating with respect to t using the chain rule:

∂w/∂t = (∂w/∂x) × (∂x/∂t) + (∂w/∂y) ×(∂y/∂t) + (∂w/∂z) × (∂z/∂t)

Let's calculate each term separately:

∂w/∂x = (s - 2t) × e²(3st)

∂x/∂t = 2

∂w/∂y = (s + 2t) × e²(3st)

∂y/∂t = -2

∂w/∂z = (s + 2t)(s - 2t) × 3s

∂z/∂t = 3s

Now, substitute these values into the equation:

∂w/∂t = (s - 2t) × e²(3st) × 2 + (s + 2t) × e²(3st) ×(-2) + (s + 2t)(s - 2t) × 3s × 3s

∂w/∂t = 2(s - 2t)e²(3st) - 2(s + 2t)e²(3st) + 9s²(s + 2t)(s - 2t)

To know more about function here

https://brainly.com/question/28193995

#SPJ4

Which of the following is the correct definition of an angle?
A. A shape formed by two intersecting lines from a common point
B. A shape formed by two intersecting rays
C. A shape formed by two intersecting lines or rays
D. A shape formed by the intersection of two lines

Answers

Answer:

The correct definition of an angle is:

C. A shape formed by two intersecting lines or rays.

An angle is formed when two lines or rays meet or intersect at a common point called the vertex. It represents the amount of turn or rotation between the two lines or rays.

Step-by-step explanation:

C. A shape formed by two intersecting lines or rays

The correct definition of an angle is that it is a shape formed by two intersecting lines or rays. An angle is formed by two distinct arms or sides that share a common endpoint, known as the vertex. The arms of an angle can be either lines or rays, which extend infinitely in opposite directions. Therefore, option C best describes the definition of an angle.

1. 3c−7 = 5

2. 3z+ (−4) = −1

3. 2v+ (−9) = −17

4. 2b−2 = −22

5. 3z+6 = 21

6. −2c−(−2) = −2

7. 3x−2 = −26

8. −2z−(−9) = 13

9. −2b+ (−8) = −4

10. 2y+1 = 13

11. 2u−(−9) = 15

12. 2b−5 = 7

13. 3y−5 = −32

14. −2b+ (−7) = −7

15. 3v−(−6) = 6


solve for each variable pls

Answers

Answer:

Step-by-step explanation:

1. 3c-7 = 5

     3c = 5+7

     3c = 12

       c = 12/3

       c = 4

2. 3z+(-4) = -1

       3z -4 = -1

           3z = -1 + 4

           3z = 3

             z = 3/3

             z = 1

3. 2v + (-9) = -17

         2v -9 = -17

              2v = -17 +9

              2v = -8

                v = -8/2

               v = -4

4. 2b-2 = -22

       2b = -22 +2

       2b = -20

         b = -20/2

        b = -10

5. 3z +6 = 21

         3z = 21 -6

         3z = 15

           z = 15/3

           z = 5

6. -2c -(-2) = -2

       -2c +2 = -2

            -2c = -2 -2

            -2c = -4

                c = -4/-2

                c= 2

7. 3x -2 = -26

       3x = -26 +2

       3x = -24

         x = 24/3

         x = 8

8. -2z -(-9) = 15

      -2z +9 = 15

           -2z = 15 -9

           -2z = 6

              z = 6/-2

              z = -3

9. -2b +(-8) = -4

        -2b -8 = -4

           -2b = -4 +8

           -2b = 4

              b = 4/-2

              b = -2

10. 2y +1 = 13

        2y = 13 -1

         2y = 12

           y = 12/2

           y = 6

11. 2u -(-9) = 15

        2u +9 = 15

             2u = 15 -9

             2u = 6

               u = 6/2

              u = 3

12. 2b -5  = 7

           2b = 7 +5

           2b = 12

             b = 12/2

              b = 6

13. 3y -5 = -32

          3y = -32 +5

          3y = -27

            y = -27/3

            y = -9

14. -2b +(-7) = -7

          -2b -7 = -7

              -2b = -7 +7

               -2b = 0

                   b = 0/-2

                    b= 0

15. 3v -(-6) = 6

        3v +6 = 6

             3v = 6 -6

             3v = 0

               v = 0/3

               v = 0

Which of these transformations satisfy T(v+w) = T(v) +T(w) and which satisfy T(cv) = cT (v)? (a) T(v) = v/||v|| (b) T(v) = v1+V2+V3 (c) T(v) = (v₁, 2v2, 3v3) (d) T(v) largest component of v. = Suppose a linear T transforms (1, 1) to (2, 2) and (2,0) to (0,0). Find T(v): (a) v = (2, 2) (b) V= = (3,1) (c) v = (-1, 1) (d) V= = (a, b)

Answers

To determine which of the given transformations satisfy T(v+w) = T(v) + T(w) and T(cv) = cT(v), we can evaluate each transformation using the given conditions.

(a) T(v) = v/||v||

Let's test if it satisfies the conditions:

T(v + w) = (v + w) / ||v + w|| = v/||v|| + w/||w|| = T(v) + T(w)

T(cv) = (cv) / ||cv|| = c(v/||v||) = cT(v)

Therefore, transformation T(v) = v/||v|| satisfies both conditions.

(b) T(v) = v1 + v2 + v3

Let's test if it satisfies the conditions:

T(v + w) = (v1 + w1) + (v2 + w2) + (v3 + w3) ≠ (v1 + v2 + v3) + (w1 + w2 + w3) = T(v) + T(w)

T(cv) = (cv1) + (cv2) + (cv3) ≠ c(v1 + v2 + v3) = cT(v)

Therefore, transformation T(v) = v1 + v2 + v3 does not satisfy the condition T(v+w) = T(v) + T(w), but it does satisfy T(cv) = cT(v).

(c) T(v) = (v₁, 2v₂, 3v₃)

Let's test if it satisfies the conditions:

T(v + w) = (v₁ + w₁, 2(v₂ + w₂), 3(v₃ + w₃)) ≠ (v₁, 2v₂, 3v₃) + (w₁, 2w₂, 3w₃) = T(v) + T(w)

T(cv) = (cv₁, 2cv₂, 3cv₃) ≠ c(v₁, 2v₂, 3v₃) = cT(v)

Therefore, transformation T(v) = (v₁, 2v₂, 3v₃) does not satisfy the condition T(v+w) = T(v) + T(w), but it does satisfy T(cv) = cT(v).

(d) T(v) largest component of v

Let's test if it satisfies the conditions:

T(v + w) = largest component of (v + w) ≠ largest component of v + largest component of w = T(v) + T(w)

T(cv) = largest component of (cv) ≠ c(largest component of v) = cT(v)

Therefore, transformation T(v) largest component of v does not satisfy either condition.

For the given linear transformation T:

(1, 1) → (2, 2)

(2, 0) → (0, 0)

We can determine the transformation matrix T(v) as follows:

T(v) = A * v

where A is the transformation matrix. To find A, we can set up a system of equations using the given transformation conditions:

A * (1, 1) = (2, 2)

A * (2, 0) = (0, 0)

Solving the system of equations, we find:

A = (1, 1)

(1, 1)

Therefore, T(v) = (1, 1) * v, where v is a vector.

(a) v = (2, 2):

T(v) = (1, 1) * (2, 2) = (4, 4)

(b) v = (3, 1):

T(v) = (1, 1) * (3, 1) = (4, 4)

(c) v = (-1, 1):

T(v) = (1, 1) * (-1, 1) = (0, 0)

(d) v = (a, b):

T(v) = (1, 1) * (a, b) = (a + b, a + b)

Learn more about satisfy here

https://brainly.com/question/29181218

#SPJ11

A study published in 2008 in the American Journal of Health Promotion (Volume 22, Issue 6) by researchers at the University of Minnesota (U of M) found that 124 out of 1,923 U of M females had over $6,000 in credit card debt while 61 out of 1,236 males had over $6,000 in credit card debt.


10. Verify that the sample size is large enough in each group to use the normal distribution to construct a confidence interval for a difference in two proportions.


11. Construct a 95% confidence interval for the difference between the proportions of female and male University of Minnesota students who have more than $6,000 in credit card debt (pf - pm). Round your sample proportions and margin of error to four decimal places.


12. Test, at the 5% level, if there is evidence that the proportion of female students at U of M with more that $6,000 credit card debt is greater than the proportion of males at U of M with more than $6,000 credit card debt. Include all details of the test

Answers

To determine if the sample size is large enough to use the normal distribution for constructing a confidence interval for the difference in two proportions, we need to check if the conditions for using the normal approximation are satisfied.

The conditions are as follows:

The samples are independent.

The number of successes and failures in each group is at least 10.

In this case, the sample sizes are 1,923 for females and 1,236 for males. Both sample sizes are larger than 10, so the second condition is satisfied. Since the samples are independent, the sample sizes are large enough to use the normal distribution for constructing a confidence interval.

To construct a 95% confidence interval for the difference between the proportions of females and males with more than $6,000 in credit card debt (pf - pm), we can use the formula:

CI = (pf - pm) ± Z * sqrt((pf(1-pf)/nf) + (pm(1-pm)/nm))

Where:

pf is the sample proportion of females with more than $6,000 in credit card debt,

pm is the sample proportion of males with more than $6,000 in credit card debt,

nf is the sample size of females,

nm is the sample size of males,

Z is the critical value for a 95% confidence level (which corresponds to approximately 1.96).

Using the given data, we can calculate the sample proportions:

pf = 124 / 1923 ≈ 0.0644

pm = 61 / 1236 ≈ 0.0494

Substituting the values into the formula, we can calculate the confidence interval for the difference between the proportions.

To test if there is evidence that the proportion of female students with more than $6,000 in credit card debt is greater than the proportion of male students with more than $6,000 in credit card debt, we can perform a hypothesis test.

Null hypothesis (H0): pf - pm ≤ 0

Alternative hypothesis (H1): pf - pm > 0

We will use a one-tailed test at the 5% significance level.

Under the null hypothesis, the difference between the proportions follows a normal distribution. We can calculate the test statistic:

z = (pf - pm) / sqrt((pf(1-pf)/nf) + (pm(1-pm)/nm))

Using the given data, we can calculate the test statistic and compare it to the critical value for a one-tailed test at the 5% significance level. If the test statistic is greater than the critical value, we reject the null hypothesis and conclude that there is evidence that the proportion of female students with more than $6,000 in credit card debt is greater than the proportion of male students with more than $6,000 in credit card debt.

Learn more about interval here

https://brainly.com/question/30460486

#SPJ11

Find the product of 32 and 46. Now reverse the digits and find the product of 23 and 64. The products are the same!
Does this happen with any pair of two-digit numbers? Find two other pairs of two-digit numbers that have this property.
Is there a way to tell (without doing the arithmetic) if a given pair of two-digit numbers will have this property?

Answers

Let's calculate the products and check if they indeed have the same value:

Product of 32 and 46:

32 * 46 = 1,472

Reverse the digits of 23 and 64:

23 * 64 = 1,472

As you mentioned, the products are the same. This phenomenon is not unique to this particular pair of numbers. In fact, it occurs with any pair of two-digit numbers whose digits, when reversed, are the same as the product of the original numbers.

To find two other pairs of two-digit numbers that have this property, we can explore a few examples:

Product of 13 and 62:

13 * 62 = 806

Reversed digits: 31 * 26 = 806

Product of 17 and 83:

17 * 83 = 1,411

Reversed digits: 71 * 38 = 1,411

As for determining if a given pair of two-digit numbers will have this property without actually performing the multiplication, there is a simple rule. For any pair of two-digit numbers (AB and CD), if the sum of A and D equals the sum of B and C, then the products of the original and reversed digits will be the same.

For example, let's consider the pair 25 and 79:

A = 2, B = 5, C = 7, D = 9

The sum of A and D is 2 + 9 = 11, and the sum of B and C is 5 + 7 = 12. Since the sums are not equal (11 ≠ 12), we can determine that the products of the original and reversed digits will not be the same for this pair.

Therefore, by checking the sums of the digits in the two-digit numbers, we can determine whether they will have the property of the products being the same when digits are reversed.

Let f(x,y)= 1 /√x 2 −y. (1.1.1) Find and sketch the domain of f. (1.1.2) Find the range of f.

Answers

(1.1.1) The domain of f(x, y) is the region above or on the parabolic curve y = x² in the xy-plane.

(1.1.2) The range of f(x, y) is all real numbers except the values of y on the curve y = x².

How to find the domain and range

(1.1.1) To find the domain of f(x, y), we need to identify the values of x and y for which the function is defined.

For a non negative value we have

x² - y ≥ 0

x² ≥ y

This means that the domain of f(x, y) is all values of x and y such that x² is greater than or equal to y. Geometrically, this represents the region above or on the parabolic curve y = x² in the xy-plane.

(1.1.2) To find the range of f(x, y), we need to determine the possible values that f(x, y) can take.

Since f(x, y) = 1/√(x² - y), the denominator cannot be zero. Therefore, the range of f(x, y) excludes values of y for which x² - y = 0.

Setting x² - y = 0 and solving for y, we have:

y = x²

This equation represents the parabolic curve y = x² in the xy-plane. The range of f(x, y) is all real numbers except the values of y on the curve y = x².

Learn more about domain at

https://brainly.com/question/26098895

#SPJ4

Verify that the indicated function is an explicit solution of the given differential equation. assume an appropriate interval i of definition for each solution dy/dt 20y=24, y=6/5-6/5e^-20t

Answers

The function y(t) = (6/5) - (6/5) is a valid explicit solution to the differential equation dy/dt = 20y = 24, and it satisfies the equation for the specified interval of definition.

To verify that the function y(t) = (6/5) - (6/5)[tex]e^(-20t)[/tex] is an explicit solution of the differential equation dy/dt = 20y, we need to substitute the function into the differential equation and check if it satisfies the equation.
First, let's find dy/dt using the given function:
dy/dt = d/dt [(6/5) - (6/5)[tex]e^(-20t)[/tex]]
      = 0 + (6/5)(20)[tex]e^(-20t)[/tex] [Applying the chain rule]
      = 24[tex]e^(-20t)[/tex]
Now let's substitute this expression for dy/dt back into the differential equation:
24[tex]e^(-20t)[/tex] = 20[(6/5) - (6/5)e^(-20t)]
We can simplify this equation:
24[tex]e^(-20t)[/tex] = 24 - 24[tex]e^(-20t)[/tex]
Rearranging the equation, we have:
24[tex]e^(-20t)[/tex] + 24[tex]e^(-20t)[/tex] = 24
Combining like terms, we get:
48[tex]e^(-20t)[/tex] = 24
Dividing both sides by 48, we find:
[tex]e^(-20t)[/tex] = 1/2
Taking the natural logarithm of both sides, we have:
-20t = ln(1/2)
Solving for t, we get:
t = (1/20)ln(1/2)
Therefore, the function y(t) = (6/5) - (6/5)[tex]e^(-20t)[/tex]is a valid explicit solution to the differential equation dy/dt = 20y = 24, and it satisfies the equation for the specified interval of definition.

Learn more about differential here:

https://brainly.com/question/31383100

#SPJ11

not sure of the answer for this one

Answers

Answer: x=43

Step-by-step explanation:

Looks like the 2 angles are a linear pair, 2 angles that make up a line.  So if added they equal 180

Equation:

x + 7 + 3x + 1 = 180                   >Combine like terms

4x +8 = 180                               >Subtract 8 from both sides

4x = 172                                    >Divide both sides by 4

x = 43

I’m going to give 20points to who can answer this correctly first

Answers

Answer: $60

Step-by-step explanation:

Total annual for 1 share is

.15 x 4 =.6

for 100 shares

.6x100

$60



Analyze the function. Find the intercepts, extrema, intervals of

increase/decrease and concavity, points of inflection an make a

sketch of the function, f(x) = (x - 8)^2/3

Answers

The function f(x) = (x - 8)^(2/3) has no x-intercepts and a y-intercept at (-8)^(2/3). It has no extrema or points of inflection. The function is increasing for x < 8 and decreasing for x > 8. It is concave down for the entire domain. Based on this analysis, a sketch of the function would show a concave-down curve with no intercepts, extrema, or points of inflection.

To analyze the function f(x) = (x - 8)^(2/3), we'll examine its properties step by step.

1. Intercepts:

To find the x-intercept, we set f(x) = 0 and solve for x:

(x - 8)^(2/3) = 0

Since a number raised to the power of 2/3 can never be zero, there are no x-intercepts for this function.

To find the y-intercept, we substitute x = 0 into the function:

f(0) = (0 - 8)^(2/3) = (-8)^(2/3)

The y-intercept is (-8)^(2/3).

2. Extrema:

To find the extrema, we take the derivative of the function and set it equal to zero:

f'(x) = (2/3)(x - 8)^(-1/3)

Setting f'(x) = 0, we get:

(2/3)(x - 8)^(-1/3) = 0

This equation has no real solutions, which means there are no local extrema.

3. Intervals of Increase/Decrease:

To determine the intervals of increase and decrease, we analyze the sign of the derivative. We can see that f'(x) > 0 for x < 8 and f'(x) < 0 for x > 8. Therefore, the function is increasing on the interval (-∞, 8) and decreasing on the interval (8, ∞).

4. Concavity:

To determine the concavity, we take the second derivative of the function:

f''(x) = (-2/9)(x - 8)^(-4/3)

Analyzing the sign of f''(x), we can see that it is negative for all real values of x. This means the function is concave down for the entire domain.

5. Points of Inflection:

To find the points of inflection, we set the second derivative equal to zero and solve for x:

(-2/9)(x - 8)^(-4/3) = 0

This equation has no real solutions, indicating that there are no points of inflection.

Based on the analysis above, we can sketch the function f(x) = (x - 8)^(2/3) as a concave-down curve with no intercepts, extrema, or points of inflection. The y-intercept is at (-8)^(2/3). The function is increasing for x < 8 and decreasing for x > 8.

Learn more about concave-down curve here :-

https://brainly.com/question/29142394

#SPJ11

This problem illustrates how banks create credit and can thereby lend out more money than has been deposited. Suppose that $100 is deposited in a mid-sized bank. The US Federal Reserve requires that mid-sized banks hold 3% of the money deposited, so they are able to lend out 97% of their deposits.1 Thus $97 of the original $100 is loaned out to other customers (to start a business, for example). This $97 becomes someone else’s income and, sooner or later, is redeposited in the bank. Thus 97% of $97, or $97(0.97) = $94.09, is loaned out again and eventually redeposited. Of the $94.09, the bank again loans out 97%, and so on.
(a) Find to 2 decimal places the total amount of money deposited in the bank as a result of these transactions.
(b) The total amount of money deposited divided by the original deposit is called the credit multiplier. Calculate to 2 decimal places the credit multiplier for this example.

Answers

a. The total amount of money deposited in the bank as a result of these transactions is $3333.33.

b. The credit multiplier for this example is 33.33.

a. The total amount of money deposited in the bank as a result of these transactions can be found by summing up the amounts loaned out and eventually redeposited.

Starting with the original deposit of $100, 97% of it, which is $97, is loaned out. This $97 is then redeposited in the bank.

From this redeposited amount, 97% is loaned out again, which is $97(0.97) = $94.09. This $94.09 is also redeposited in the bank.

Continuing this process, we can find the total amount of money deposited in the bank.

After multiple rounds of lending and redepositing, we can observe that each new round decreases by 3%.

To calculate the total amount of money deposited, we can use the formula for the sum of a geometric series:

Total amount deposited = original deposit + (original deposit * lending percentage) + (original deposit * lending percentage^2) + ...

In this case, the original deposit is $100, and the lending percentage is 97% or 0.97.

Using the formula, we can find the total amount of money deposited by summing up each round:

$100 + $97 + $94.09 + ...

This is an infinite geometric series, and the sum of an infinite geometric series is given by:

Sum = a / (1 - r)


Where "a" is the first term and "r" is the common ratio.

In this case, "a" is $100 and "r" is 0.97.

Plugging in these values into the formula, we get:

Total amount deposited = $100 / (1 - 0.97)

Total amount deposited = $100 / 0.03


Total amount deposited = $3333.33 (rounded to 2 decimal places)

Therefore, the total amount of money deposited in the bank as a result of these transactions is $3333.33.

b. Now let's calculate the credit multiplier for this example.

The credit multiplier is the ratio of the total amount of money deposited to the original deposit.

Credit multiplier = Total amount deposited / Original deposit

Credit multiplier = $3333.33 / $100

Credit multiplier = 33.33 (rounded to 2 decimal places)


Therefore, the credit multiplier for this example is 33.33.

Learn more about 'credit':

https://brainly.com/question/13964348

#SPJ11

Falco Restaurant Supplies borrowed $15,000 at 3.25% compounded semiannually to purchase a new delivery truck. The loan agreement stipulates regular monthly payments of $646.23 be made over the next two years. Calculate the principal reduction in the first year. Do not show your work. Enter your final answer rounded to 2 decimals

Answers

To calculate the principal reduction in the first year, we need to consider the loan agreement, which states that regular monthly payments of $646.23 will be made over the next two years. Since the loan agreement specifies monthly payments, we can calculate the total amount of payments made in the first year by multiplying the monthly payment by 12 (months in a year). $646.23 * 12 = $7754.76

Therefore, in the first year, a total of $7754.76 will be paid towards the loan.

Now, to find the principal reduction in the first year, we need to subtract the interest paid in the first year from the total payments made. However, we don't have the specific interest amount for the first year.

Without the interest rate calculation, we can't determine the principal reduction in the first year. The interest rate given (3.25% compounded semiannually) is not enough to calculate the exact interest paid in the first year.

To calculate the interest paid in the first year, we need to know the compounding frequency and the interest calculation formula. With this information, we can determine the interest paid for each payment and subtract it from the payment amount to find the principal reduction.

Unfortunately, the question doesn't provide enough information to calculate the principal reduction in the first year accurately.

To know more about "Loan Agreement":

https://brainly.com/question/20813381

#SPJ11

3. Q and R are independent events. If P(Q) = 0.8 and P(R) = 0.2, find P(Q and R).
1
0.16
0.84

Answers

Answer:

0.16

Step-by-step explanation:

P(Q and R) = P(Q) * P(R) (since Q and R are independent)

= 0.8 * 0.2

= 0.16

Determine the first three nonzero terms in the Taylor polynomial approximation for the given initial value problem. y ′
=x 2
+3y 2
;y(0)=1 The Taylor approximation to three nonzero terms is y(x)=+⋯.

Answers

The first three nonzero terms in the Taylor polynomial approximation are:

y(x) = 1 + 3x + 6x²/2! = 1 + 3x + 3x².

The given initial value problem is y′ = x^2 + 3y^2, y(0) = 1. We want to determine the first three nonzero terms in the Taylor polynomial approximation for the given initial value problem.

The Taylor polynomial can be written as:

T(y) = y(a) + y'(a)(x - a)/1! + y''(a)(x - a)^2/2! + ...

The Taylor approximation to three nonzero terms is:

y(x) = y(0) + y'(0)x + y''(0)x²/2! + y'''(0)x³/3! + ...

First, let's find the first and second derivatives of y(x):

y'(x) = x^2 + 3y^2

y''(x) = d/dx [x^2 + 3y^2] = 2x + 6y

Now, let's evaluate these derivatives at x = 0:

y'(0) = 0^2 + 3(1)^2 = 3

y''(0) = 2(0) + 6(1)² = 6

Therefore, the first three nonzero terms in the Taylor polynomial approximation are:

y(x) = 1 + 3x + 6x²/2! = 1 + 3x + 3x².

Learn more about Taylor polynomial

https://brainly.com/question/30481013

#SPJ11

y=acosk(t−b) The function g is defined by y=mcscc(x−d) The constants k and c are positive. (4.1) For the function f determine: (a) the amplitude, and hence a; (1) (b) the period; (1) (c) the constant k; (1) (d) the phase shift, and hence b, and then (1) (e) write down the equation that defines f. ( 2 )

Answers

The equation that defines f is y = acos(t - b), where 'a' is the amplitude, 'k' is the constant, 'b' is the phase shift, and the period can be determined using the formula period = 2π/k.

To analyze the function f: y = acos(k(t - b)), let's determine the values of amplitude, period, constant k, phase shift, and the equation that defines f.

(a) The amplitude of the function f is given by the absolute value of the coefficient 'a'. In this case, the coefficient 'a' is '1'. Therefore, the amplitude of f is 1.

(b) The period of the function f can be determined using the formula: period = 2π/k. In this case, the coefficient 'k' is unknown. We'll determine it in part (c) first, and then calculate the period.

(c) To find the constant 'k', we can observe that the argument of the cosine function, (t - b), is inside the parentheses. For a standard cosine function, the argument inside the parentheses should be in the form (x - d), where 'd' represents the phase shift.

Therefore, to match the forms, we equate t - b with x - d:

t - b = x - d

Comparing corresponding terms, we have:

t = x   (to match 'x')

-b = -d  (to match constants)

From this, we can deduce that k = 1, which is the value of the constant 'k'.

(d) The phase shift is given by the value of 'b' in the equation. From the previous step, we determined that -b = -d. This implies that b = d.

(e) Finally, we can write down the equation that defines f using the obtained values. We have:

f: y = acos(k(t - b))

  = acos(1(t - b))

  = acos(t - b)

Learn more about amplitude

https://brainly.com/question/23567551

#SPJ11

The following problem refers to a closed Leontief model. Suppose the technology matrix for a closed model of a simple economy is given by matrix A. Find the gross productions for the industries. (Let H represent the number of household units produced, and give your answers in terms of H.) A = government industry households G I H 0.4 0.2 0.2 0.2 0.5 0.5 0.4 0.3 0.3 H Need Help? Read It Government Industry Households X units X units units

Answers

The gross productions for the industries in the closed Leontief model, given the technology matrix A, can be expressed as follows:

Government industry: 0.4H units

Industry: 0.2H units

Households: 0.2H units

In a closed Leontief model, the technology matrix A represents the production coefficients for each industry. The rows of the matrix represent the industries, and the columns represent the sectors (including government and households) involved in the production process.

To find the gross productions for the industries, we can multiply each row of the matrix A by the number of household units produced, denoted as H.

For the government industry, the production coefficient in the first row of matrix A is 0.4. Multiplying this coefficient by H, we get the gross production for the government industry as 0.4H units.

Similarly, for the industry sector, the production coefficient in the second row of matrix A is 0.2. Multiplying this coefficient by H, we get the gross production for the industry as 0.2H units.

Finally, for the households sector, the production coefficient in the third row of matrix A is 0.2. Multiplying this coefficient by H, we get the gross production for households as 0.2H units.

In summary, the gross productions for the industries in terms of H are as follows: government industry - 0.4H units, industry - 0.2H units, and households - 0.2H units.

Learn more about gross productions.
brainly.com/question/14017102

#SPJ11

The half-life of Palladium-100 is 4 days. After 24 days a sample of Palladium-100 has been reduced to a mass of 3mg. What was the initial mass (in mg) of the sample? What is the mass (in mg) 6 weeks after the start? You may enter the exact value or round to 4 decimal places.

Answers

The initial mass of the Palladium-100 sample was 192mg. After 6 weeks, the mass reduced to approximately 7.893mg using its half-life of 4 days.

To determine the initial mass of the sample of Palladium-100, we can use the concept of radioactive decay and the formula for exponential decay:

Mass = initial mass × (1/2)^(time / half-life)

Let’s solve the first part of the question to find the initial mass after 24 days:

Mass = initial mass × (1/2)^(24 / 4)

3mg = initial mass × (1/2)^6

Dividing both sides by (1/2)^6:

Initial mass = 3mg / (1/2)^6

Initial mass = 3mg / (1/64)

Initial mass = 192mg

Therefore, the initial mass of the sample was 192mg.

Now let’s calculate the mass 6 weeks after the start. Since 6 weeks equal 6 × 7 = 42 days:

Mass = initial mass × (1/2)^(time / half-life)

Mass = 192mg × (1/2)^(42 / 4)

Mass = 192mg × (1/2)^10.5

Mass ≈ 192mg × 0.041103

Mass ≈ 7.893mg

Therefore, the mass of the sample 6 weeks after the start is approximately 7.893mg.

Learn more about Exponential decay here: brainly.com/question/13674608

#SPJ11

Other Questions
explain the notion that the concept of development is subjective giving relevant example suppose a manufacturing plant purchased a new heating system in december, 2015 and, after installing and testing the equipment, it was put into service on january 1, 2016. the total cost to put the equipment into service was $55,000; it is expected to have a useful life of 5 years and a salvage value of $5,000. Steel beams are used for load bearing supports in a building. Each beam is 4.0 m long with a cross-sectional area of 8.3 x 103 m2 and supports a load of 4.7 x 10* N. Young's modulus for steel is 210 x 10N/m2 (a) How much compression (in mm) does each beam undergo along its length? mm (.) Determine the maximum load (in N) one of these beams can support without any structural fallure if the compressive strength of steel is 1.50 x 10' N/m N The nervous system regulates: voluntary movements unconscious processes reflexes all of the above Please help me with my homework topic "Sterilization of biologicgraft materials, cements, textiles, test tubes, tubings? Deviceset-up, circuitry and operation mechanism must be given." A mother eats of a full pizza and gives the reminder of the pizza to her 2 children. The children share it according to the ratio 3:2. How much is the smallest share as a fraction of a whole pizza. A. 12 ABCD C. Question 6 Simplify the expression 12 15 x 4-5 A. -4.8 B. -1.8 C. 0.2 D. 3.2 Question 7 Simplify the expression 3 x 25-32 x 4-4(6-2) A. -4 B. -2 C. 6 D. 8 Question 8 In year 2020, Nonhle's gross monthly salary was R40 000. The income tax rate was 15% of the gross salary and her net salary is gross salary minus the income tax. In 2021 her gross salary was increased by R5 000, and the tax rate was changed to 16% of the gross salary. Find the percentage increase in Nonhle's net salary. A. 6.66% B. 8.25% C. 11.18% D. 12.5% (4 Marks) (4 Marks) (4 Marks) (4 Marks) And here is this weeks HIP: This week is mostly about the photoelectric effect. You measure the energy of electrons that are produced in a tube like the one we studied and find K = 2.8 eV. You then change the wavelength of the incoming light and increase it by 40%. What happens? Are the photoelectrons faster or slower? The kinetic energy now is 0.63 eV. A) Based on that information, what is the material of the cathode? Determine the work function of the metal in the tube, and check against table 28.1. B) What was the wavelength of the light initially used in the experiment? C) And for a bit of textbook review, what would be the temperature of a metal that would radiate light at such a wavelength like you calculate in B) (see in chapter 25). A radio signal is broadcast uniformly in all directions. The average energy density is u 0 at a distance d 0 from the transmitter. Determine the average energy density at a distance 2d 0 from the transmitter. 4 2 (1/2) (1/4) [5]Let A be an n x n matrix and I the n x n identity matrix,for aninteger n 1.Suppose that A is a diagonalisable matrix and that the eigenvaluesof 4 are either 1 or -1.Prove or disprove the following claims.(i)For any odd integer m >1 it holds that Am =A.(ii)For any even integer m >2 it holds that Am=I. 1.The Kelleher family has health insurance coverage that pays 80% of out-of-hospital expenses after a $500 deductible per person. If one family member has doctor and prescription medication expenses of $1,100, what amount would the insurance company pay?2. A health insurance policy pays 65% of physical therapy costs after a $200 deductible. In contrast, an HMO charges $15 per visit for physical therapy. How much would a person save with the HMO if they had 10 physical therapy sessions costing $50 each?3. Sarahs comprehensive major medical health insurance plan at work has a deductible of $750. The policy pays 85% of any amount above the deductible. While on a hiking trip, she contracted a rare bacterial disease. Her medical costs for treatment, including medicines, tests, and a 6-day hospital stay, totaled $8,893. A friend told her that she would have paid less if she had a policy with a stop-loss feature that capped her out-of-pocket expenses at $3,000. Was her friend correct? Show your computations. Then determine which policy would have cost Sarah less and by how much.4. Georgia, a widow, has take-home pay of $600 a week from her part-time job. Her disability insurance coverage replaces 70% of her earnings after a 4-week waiting period. What amount would she receive in disability benefits if an illness kept Georgia off work for 16 weeks? Byzantine conventions of representation differ significantly from Jewish and early Christian traditions. Identify Byzantine examples that illustrate these differences for the portrayal of human figures. How do their characteristics reflect Byzantine faith and practice? The First Pass Effect means that _____are responsible for _______ hormones and toxines Hepatocyte enzymes, secreting Hepatocyte synes, degrading Bile duct degrading Bile ducts secreting Item 48 on the Boston Naming Test may trigger negative feelings and thoughts in Black and minority patients that impact their score on the test. This is an example of:a. Test-item biasb. Client biasc. Invalidityd. Examiner bias Question 2 Evaluate the effectiveness of HRDF (now known as HRD Corporation) in increasing the competencies of Malaysian workforce to face the challenges of the Covid 19 and the digital economy. Moneysaver's Bank offers a savings account that earns 2% interest compounded criffichefisly, If Hans deposits S3500, how much will he hisve in the account after six years, assuming he makes 4 A Nrihdrawals? Do not round any intermediate comp,ytations, and round your answer to theflyarest cent. How can Walmart become less depended on sales from the U.S.market? Straight lines that bulge outwards at the edge of the frame is characteristic of ______ lenses. moreauluchaire, c. et al. additive interfacial chiral interaction in multilayers for stabilization of small individual skyrmions at room temperature. nat. nanotechnol. 11, 444448 (2016). 32. 2 Two small spherical charges (of +6.0 4C and +4.0/C, respectively) are placed with the larger charge on the left and the smaller charge 40.0 cm to the right of it. Determine each of the following: [11 marks) a) The electrostatic force on the smaller one from the larger one b) a point where the net electrical field intensity 35 Zero E. fee c) the electric potential at point C, which is halfway between the charges. A 0.23-kg stone is held 1.1 m above the top edge of a water well and then dropped into it. The well has a depth of 4.6 m.a) Relative to the configuration with the stone at the top edge of the well, what is the gravitational potential energy of the stone-Earth system before the stone is released?](b) Relative to the configuration with the stone at the top edge of the well, what is the gravitational potential energy of the stone-Earth system when it reaches the bottom of the well?(c) What is the change in gravitational potential energy of the system from release to reaching the bottom of the well? Steam Workshop Downloader