Which is the first step to simplify the expression 5x-x(2-3x)+2

Using the laws of Set Theory,  

(a). (A ∩ B) ∪ (A ∩ B ∩ C ∩ D) ∪ (A ∩ B) simplifies to

A ∩ B ∪ (A ∩ B ∩ C ∩ D)

(b). A ∪ B ∪ (A ∩ B ∩ C) simplifies to A ∪ B

(a) (A ∩ B), (A ∩ B ∩ C ∩ D), and (A ∩ B).  Combine the terms that have the same intersection, and eliminate any duplicates.

Since (A ∩ B) appears twice in the expression, we can combine them by taking their union, resulting in A ∩ B.

Since  (A ∩ B ∩ C ∩ D) intersects with both (A ∩ B) and itself, we can simplify it to (A ∩ B ∩ C ∩ D).

Combining the simplified terms:

A ∩ B ∪ (A ∩ B ∩ C ∩ D).

This expression represents the union of the simplified terms.

(b) A, B, and (A ∩ B ∩ C). Simplifying this by combining the terms A and B, as (A ∩ B ∩ C) doesn't affect the union operation.

The simplified expression for (b) is

A ∪ B.

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Answer: it is B

Step-by-step explanation: i did the math and that is the correct decimal form

Answer:

B

Step-by-step explanation:

We can convert 3 7/15 to:

Improper fraction: 52/15

Decimal: 3.46666666666.....7 (infinite)

Percentage: 346.666666.....7% (infinite)

Hence the only one that matches is the decimal form, so B.

Hope this helps! :)

B. 2 and OD. 15 are not possible lengths for the third side of the triangle.

To determine the possible values for the length of the third side of a triangle, we need to consider the triangle inequality theorem, which states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Given that two sides have lengths 6 and 9, we can analyze the possibilities:

6 + 9 > x

x > 15 - The sum of the two known sides is greater than any possible third side.

6 + x > 9

x > 3 - The length of the unknown side must be greater than the difference between the two known sides.

9 + x > 6

x > -3 - Since the length of a side cannot be negative, this inequality is always satisfied.

Based on the analysis, the possible values for the length of the third side are:

A. 7

C. 4

□E. 10

O F. 12

B. 2 and OD. 15 are not possible lengths for the third side of the triangle.

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The solutions for both equations are located on the complex plane at angles of π/8, 9π/8, 17π/8, etc., counterclockwise from the positive real axis, with a distance of 1 unit from the origin.

To find all values of z for the equation z = ∜i or z^4 = i, we can express i and ∜i in exponential form and solve for z.

1. For z = ∜i:

Expressing i in exponential form: i = e^(iπ/2)

Now, let's find the fourth root (∜) of i:

∜i = (e^(iπ/2))^(1/4)

    = e^(iπ/8)

The solutions for z = ∜i are given by z = e^(iπ/8), where k is an integer.

2. For z^4 = i:

Expressing i in exponential form: i = e^(iπ/2)

Now, let's solve for z:

z^4 = e^(iπ/2)

Taking the fourth root of both sides:

z = (e^(iπ/2))^(1/4)

  = e^(iπ/8)

The solutions for z^4 = i are given by z = e^(iπ/8), where k is an integer.

To locate these values in the complex plane, we represent them using the polar form, where z = r * e^(iθ). In this case, the modulus r is equal to 1 for all solutions.

For z = e^(iπ/8), the angle θ is π/8. We can plot these solutions in the complex plane as follows:

- For z = e^(iπ/8):

 - One solution: z = e^(iπ/8)

   - Angle: π/8

   - Position in the complex plane: Located at an angle of π/8 counterclockwise from the positive real axis, with a distance of 1 unit from the origin.

Since the solutions are periodic with a period of 2π, we can also find additional solutions by adding integer multiples of 2π to the angle.

Therefore, the solutions for both equations are located on the complex plane at angles of π/8, 9π/8, 17π/8, etc., counterclockwise from the positive real axis, with a distance of 1 unit from the origin.

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The value of slope m  is -5 and y-intercept b is 2. Thus, option D is correct

The equation of a line in slope-intercept form is given by y = mx + b, where m is the slope of the line and b is the y-intercept. The slope of a line can be found using the formula m = (rise)/(run), which can be calculated using two given points.

The two given points are (2, 12) and (-1, -3). To find the rise and run of the line, we subtract the y-coordinates and x-coordinates, respectively. Therefore, the rise is (12 - (-3)) = 15, and the run is (2 - (-1)) = 3.

Using the rise and run values, we can find the slope of the line as follows:

m = (rise)/(run) = 15/3 = 5

Now that we know the slope is 5, we can use the point-slope form of the equation of a line to find the value of b. Using (2, 12) as a point on the line and m = 5, we have:

y - 12 = 5(x - 2)

Simplifying this equation:

y - 12 = 5x - 10

Adding 12 to both sides:

y = 5x + 2

Comparing this equation to the slope-intercept form, y = mx + b, we can see that b = 2. Therefore, the values of m and b are:

m = 5 and b = 2

Therefore, the answer is option D: m = -5, b = 2.

Note: The slope of a line can also be calculated using any other point on the line.

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The margin of error is approximately 0.0329, and the 96% confidence interval is (0.417, 0.483).

To approximate the margin of error for estimating the population proportion, we can use the formula:

Margin of Error = Z * sqrt((p * (1 - p)) / n),

where Z is the z-value corresponding to the desired confidence level, p is the sample proportion, and n is the sample size.

Given that n = 560 and the sample proportion is p = 0.45, let's calculate the margin of error:

Margin of Error = Z * sqrt((0.45 * (1 - 0.45)) / 560).

To find the z-value for a 95% confidence level, we can use a standard normal distribution table or a calculator. The z-value corresponding to a 95% confidence level is approximately 1.96.

Margin of Error = 1.96 * sqrt((0.45 * (1 - 0.45)) / 560) ≈ 0.0329.

Therefore, the margin of error is approximately 0.0329.

To find the 96% confidence interval, we can use the formula:

Confidence Interval = p ± Margin of Error.

Confidence Interval = 0.45 ± 0.0329.

Thus, the 96% confidence interval is approximately (0.417, 0.483).

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The amount of the additional discount Maycon received is $23.0625 - $20.50 = $2.5625.

To find the amount of the additional discount Maycon received, we first need to calculate the price of the shirt after applying the 25% coupon discount.

The original price of the shirt is $30.75. After applying the 25% off coupon, Maycon would get a discount of 25% of $30.75, which is 0.25 * $30.75 = $7.6875.

So, the price of the shirt after the coupon discount would be $30.75 - $7.6875 = $23.0625.

Now, we know that the final price of the shirt, after both the coupon discount and the additional discount, is $20.50.

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El papalote vuela a una altura aproximada de 43.3 metros.

Para determinar la altura a la que vuela el papalote en forma de mariposa, podemos utilizar la trigonometría básica. Dado que se nos proporciona el largo de la cuerda (50 m) y el ángulo que forma con el suelo (60 grados), podemos utilizar la función trigonométrica del seno.

El seno de un ángulo se define como la relación entre el cateto opuesto y la hipotenusa de un triángulo rectángulo. En este caso, la altura a la que vuela el papalote es el cateto opuesto y la longitud de la cuerda es la hipotenusa.

Aplicando la fórmula del seno:

sen(60 grados) = altura / 50 m

Despejando la altura:

altura = sen(60 grados) * 50 m

El seno de 60 grados es √3/2, por lo que podemos sustituirlo en la ecuación:

altura = (√3/2) * 50 m

Realizando la operación:

altura ≈ (1.732/2) * 50 m

altura ≈ 0.866 * 50 m

altura ≈ 43.3 m

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The dimensions of the cardboard for which the volume of the boxes produced by both methods will be the same are width = 26 in and length = 27 in.

(c)The method to solve the system is to equate the volume of the boxes obtained by the two methods since they are both the same.

We are given that a manufacturer is making cardboard boxes by cutting out four equal squares from the corners of the rectangular piece of cardboard and then folding the remaining part into a box. The length of the cardboard piece is 1 in. longer than its width. The manufacturer can cut out either 3 × 3 in. squares, or 4 × 4 in. squares.

We have to find the dimensions of the cardboard for which the volume of the boxes produced by both methods will be the same. Let the width of the cardboard be x in. Then the length of the cardboard is (x + 1) in. The box obtained by cutting out 4 squares of side 3 in. from the cardboard will have:

length (x - 2) in, width (x - 2 - 3 - 3) in = (x - 8) in, and height 3 in.

Volume of the box obtained by cutting out 4 squares of side 3 in. from the cardboard is given by:

V1 = length × width × height= (x - 2) × (x - 8) × 3 in³= 3(x - 2)(x - 8) in³

The box obtained by cutting out 4 squares of side 4 in. from the cardboard will have:

length (x - 2) in, width (x - 2 - 4 - 4) in = (x - 12) in, and height 4 in.

Volume of the box obtained by cutting out 4 squares of side 4 in. from the cardboard is given by:

V2 = length × width × height = (x - 2) × (x - 12) × 4 in³= 4(x - 2)(x - 12) in³

As we know

V1 = V2.

Therefore, 3(x - 2)(x - 8) = 4(x - 2)(x - 12)3(x - 2)(x - 8) - 4(x - 2)(x - 12) = 0(x - 2)(3x - 24 - 4x + 48) = 0(x - 2)(- x + 26) = 0

Therefore, x = 2 or x = 26. x cannot be 2 as the length of the cardboard should be (x + 1) in. which cannot be 3 in.

Therefore, x = 26 in is the width of the cardboard. The length of the cardboard = (x + 1) in.= (26 + 1) in.= 27 in.

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Answer:

It would be H.

Explanation:
I'm good at math

If ∠ABC ≅ ∠DBE, then ∠ABC and ∠DBE are vertical angles.

Vertical angles are a pair of non-adjacent angles formed by two intersecting lines. These angles are congruent, meaning they have the same measure. In this case, if ∠ABC ≅ ∠DBE, it implies that ∠ABC and ∠DBE have the same measure and are therefore vertical angles.

Vertical angles are formed when two lines intersect. They are opposite to each other and do not share a common side. Vertical angles are congruent, meaning they have the same measure. This can be proven using the Vertical Angle Theorem, which states that if two angles are vertical angles, then they are congruent.

In the given scenario, ∠ABC and ∠DBE are said to be congruent (∠ABC ≅ ∠DBE). Therefore, according to the definition of vertical angles, ∠ABC and ∠DBE are vertical angles.

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Answer:

RS + ST = RT

9 + 2x - 6 = x + 7

2x - 3 = x + 7

x = 10

Five quarts is equal to twenty cups (5qt= 20 c).

In the US customary system, 1 quart (qt) is equivalent to 4 cups (c). This means that each quart can be divided into 4 equal parts, each representing a cup. To convert from quarts to cups, you need to multiply the number of quarts by the conversion factor of 4. In this case, you have 5 quarts, so by multiplying 5 by 4, you get 20 cups. Therefore, 5 quarts is equal to 20 cups.

This conversion is based on the relationship between the quart and cup units in the US customary system and is commonly used when measuring volumes in recipes and cooking.

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If I'm sure, there is no simplied form to 14$.

But if it was adding zeros it would be $14.00

Is this what your looking for?

The 99% confidence interval for the difference in the mean expenditure between the two groups is $67.03 ± $14.84.

It is documented that the average spending in a sample survey of 40 families residing in Asian side of Istanbul is $135.67, and the average expenditure in a sample survey of 30 families living in European side of Istanbul is $68.64.

Based on the past surveys, the standard deviation for families residing in Asian side is assumed to be $35, and the standard deviation for families living in European side is assumed to be $20.

Using the above information, we can construct a 99% confidence interval for the difference between the two groups as follows:

Given that we need to construct a confidence interval for the difference in the mean spending of two groups, we can use the following formula:

[tex]CI = Xbar1 - Xbar2 \± Zα/2 * √(S1^2/n1 + S2^2/n2)[/tex]

Here, Xbar1 = 135.67, Xbar2 = 68.64S1 = 35, S2 = 20n1 = 40, n2 = 30Zα/2 for 99% confidence level = 2.576Putting these values in the formula above, we get:

CI = 135.67 - 68.64 ± 2.576 * √(35^2/40 + 20^2/30)= 67.03 ± 14.84

Therefore,The difference in mean spending between the two groups has a 99% confidence interval of $67.03 $14.84.

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To achieve a future amount of $500,000 in 20 years at a monthly rate of return of 0.5% (6% annually compounded continuously), we need to invest $1,465.68 per month (rounded to the nearest cent).

Given:

Initial amount to be invested = k

Monthly rate of return = 6%/12

                                    = 0.5%/month

Number of months in 20 years = 20 × 12

                                                   = 240

Future amount required = $500,000

First, we will find the formula to calculate future amount as we are given present value, rate of return and time period.

A=P(1 + r/n)nt

where A = future amount

P = present value (initial investment)

r = annual interest rate (as a decimal)

n = number of times the interest is compounded per year

t = number of years

Therefore, here A = future amount, P = 0, r = 6% = 0.06, n = 12, and t = 20 years.

Thus,  A= 0(1 + 0.06/12)^(12×20)

             = 0(1.005)^240

             = 0 × 2.653

             = 0

The future amount is 0 dollars, which means that we cannot achieve our goal of five hundred thousand dollars if we don't invest anything at the beginning of each month.

Now, let's find out how much we need to invest monthly to achieve our target future amount.

500,000 = k[(1 + 0.005)^240 - 1] / (0.005)

k = 500,000 × 0.005 / [(1 + 0.005)^240 - 1]k

   = $1,465.68/month

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To calculate the mass of the load, we can use the equation W = m × g, where W is the weight, m is the mass, and g is the acceleration due to gravity. When we simplify this, we see that the burden weighs about 500 kg.

Given that the weight of the fully loaded lorry is 14700 N and the mass of the lorry is 500 kg, we can use these values to find the value of g.

Using the equation W = m × g, we can rearrange it to solve for g:

g = W / m

Substituting the given values, we have:

g = 14700 N / 500 kg

Calculating this, we find that g ≈ 29.4 m/s².

Now, to calculate the mass of the load, we can rearrange the equation W = m × g to solve for m:

m = W / g

Substituting the known values, we have:

m = 14700 N / 29.4 m/s²

Simplifying this, we find that the mass of the load is approximately 500 kg.

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Answer:

X^2+(13-2)x -26

x^2+13x-2x-26

x(x+13) -2(x+13)

(x+13) (x-2)

Answer:

Step-by-step explanation

A) To factorize x^2 + 11x - 26, we need to find two numbers that multiply to give -26 and add to give 11. These numbers are 13 and -2. Therefore, we can write:

x^2 + 11x - 26 = (x + 13)(x - 2)

B) To factorize x^2 -5x -24, we need to find two numbers that multiply to give -24 and add to give -5. These numbers are -8 and 3. Therefore, we can write:

x^2 -5x -24 = (x - 8)(x + 3)

C) To factorize 9x^2 + 6x - 8, we first need to factor out the common factor of 3:

9x^2 + 6x - 8 = 3(3x^2 + 2x - 8)

Now we need to find two numbers that multiply to give -24 and add to give 2. These numbers are 6 and -4. Therefore, we can write:

9x^2 + 6x - 8 = 3(3x + 4)(x - 2)

The Fourier transform of the function f(t) = (1/2π) ∫[from -∞ to ∞] F(w) * e^(iwt) dw.

To find the Fourier transform of the given function, we will apply the properties of the Fourier transform and use the definition of the Fourier transform pair.

The Fourier transform pair for the function f(t) is defined as follows:

F(w) = ∫[from -∞ to ∞] f(t) * e^(-iwt) dt,

f(t) = (1/2π) ∫[from -∞ to ∞] F(w) * e^(iwt) dw.

Let's calculate the Fourier transform of f(t) step by step:

f(t) = sin(x) * sin(x/2) * x^2.

First, we'll evaluate the Fourier transform of sin(x) using the Fourier transform pair:

F1(w) = ∫[from -∞ to ∞] sin(x) * e^(-iwx) dx.

Using the identity:

sin(x) = (1/2i) * (e^(ix) - e^(-ix)),

we can rewrite F1(w) as:

F1(w) = (1/2i) * [(∫[from -∞ to ∞] e^(ix) * e^(-iwx) dx) - (∫[from -∞ to ∞] e^(-ix) * e^(-iwx) dx)].

By applying the Fourier transform pair for e^(iwt), we get:

F1(w) = (1/2i) * [(2π) * δ(w - 1) - (2π) * δ(w + 1)],

F1(w) = π * [δ(w - 1) - δ(w + 1)].

Next, we'll evaluate the Fourier transform of sin(x/2) using the same approach:

F2(w) = ∫[from -∞ to ∞] sin(x/2) * e^(-iwx) dx,

F2(w) = (1/2i) * [(2π) * δ(w - 1/2) - (2π) * δ(w + 1/2)],

F2(w) = π * [δ(w - 1/2) - δ(w + 1/2)].

Finally, we'll find the Fourier transform of x^2:

F3(w) = ∫[from -∞ to ∞] x^2 * e^(-iwx) dx.

This can be solved by differentiating the Fourier transform of 2x:

F3(w) = -d^2/dw^2 F2(w) = -π * [δ''(w - 1/2) - δ''(w + 1/2)].

Now, using the convolution property of the Fourier transform, we can find the Fourier transform of f(t):

F(w) = F1(w) * F2(w) * F3(w),

F(w) = π * [δ(w - 1) - δ(w + 1)] * [δ(w - 1/2) - δ(w + 1/2)] * [-π * (δ''(w - 1/2) - δ''(w + 1/2))],

F(w) = π^2 * [(δ(w - 1) - δ(w + 1)) * (δ(w - 1/2) - δ(w + 1/2))]''.

Now, to evaluate the given expression To 1+t, if −1≤ t ≤0, - 1-t, if 0≤t≤1, 0 otherwise, we can use the inverse Fourier transform. However, since the expression is piecewise-defined, we need to split it into two parts:

For -1 ≤ t ≤ 0:

F^(-1)[F(w) * e^(iwt)] = F^(-1)[π^2 * [(δ(w - 1) - δ(w + 1)) * (δ(w - 1/2) - δ(w + 1/2))]'' * e^(iwt)].

For 0 ≤ t ≤ 1:

F^(-1)[F(w) * e^(iwt)] = F^(-1)[π^2 * [(δ(w - 1) - δ(w + 1)) * (δ(w - 1/2) - δ(w + 1/2))]'' * e^(iwt)].

However, further simplification and calculations are required to obtain the exact expressions for the inverse Fourier transform.

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To find the coordinates of point R, we can use the concept of proportionality in the line segment PQ.

The proportionality states that if a line segment is increased or decreased by a certain percentage, the coordinates of the new point can be found by extending or reducing the coordinates of the original points by the same percentage.

Given that line segment PQ is increased by 200%, we can calculate the change in the x-coordinate and the y-coordinate separately.

Change in x-coordinate:

[tex]\displaystyle \Delta x=200\%\cdot ( 1-3)=-4[/tex]

Change in y-coordinate:

[tex]\displaystyle \Delta y=200\%\cdot ( 3-4)=-2[/tex]

Now, we can add the changes to the coordinates of point Q to find the coordinates of point R:

[tex]\displaystyle x_{R} =x_{Q} +\Delta x=1+(-4)=-3[/tex]

[tex]\displaystyle y_{R} =y_{Q} +\Delta y=3+(-2)=1[/tex]

Therefore, the coordinates of point R are [tex]\displaystyle (-3,1)[/tex].

[tex]\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}[/tex]

♥️ [tex]\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}[/tex]

Box R's coordinates, after a 200% increase from PQ in its lengths, are (-3, 1) as determined by multiplying PQ's x and y displacement by three and adding those to the original coordinates of P.

To solve this problem, we can use the concept of vectors and displacement. We know the line segment PQ x-displacement (x2 - x1) = 1 - 3 = -2 and its y-displacement (y2 - y1) = 3 - 4 = -1. Noting that the point R is generated by increasing the length of PQ by 200%, the displacement from P to R would be three times the displacement from P to Q. Therefore, Rx = 3*(-2) = -6 and Ry = 3*(-1) = -3. Since these displacements are measured from initial point P(3,4), the coordinates of R would be (3 + Rx, 4 + Ry) = (3 - 6, 4 - 3) = (-3, 1).

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a. The principal balance of the loan was the initial amount borrowed, which can be calculated by finding the present value of the payment stream using the loan interest rate and the number of periods.

b. The total amount of interest charged can be calculated by subtracting the principal balance from the total amount repaid over the 6-year period.

a. To find the principal balance of the loan, we need to calculate the present value of the payment stream. The loan has semi-annual compounding, so we can use the formula for present value of an annuity to find the initial amount borrowed. Given that the payments are $9,500 made at the end of every six months for 6 years, and the loan is compounded semi-annually at a rate of 3.86%, we can plug these values into the formula to calculate the principal balance.

b. The total amount of interest charged can be obtained by subtracting the principal balance from the total amount repaid over the 6-year period. Since the loan is repaid with payments of $9,500 every six months for 6 years, we can multiply the payment amount by the total number of payments made over the 6-year period to get the total amount repaid. By subtracting the principal balance from this total amount repaid, we can determine the total interest charged.

By performing the calculations for both parts (a) and (b), we can find the principal balance of the loan and the total amount of interest charged.

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There are 84 ways to select three math help websites from a list that contains nine different websites.

To find the number of ways to select three math help websites, we can use the combination formula. The formula for combination is nCr, where n is the total number of items to choose from, and r is the number of items to be chosen.

In this case, we have 9 different websites and we want to select 3 of them. So we can write it as 9C3. Using the combination formula, we can calculate this as follows:

9C3 = 9! / (3! * (9-3)!)
    = 9! / (3! * 6!)
    = (9 * 8 * 7) / (3 * 2 * 1)
    = 84

Therefore, there are 84 ways to select three math help websites from a list that contains nine different websites.

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The Patriot's sample average change: -1.391

The Colts sample average change: -0.375

The difference in the teams average changes -1.016

The difference in the teams average changes: (-1.391) - (-0.375) = -1.016

To find the t-statistic for the hypothesis test, we can use the formula

[tex]t = (X_1 - X-2) / (s_1^2/n_1 + s_2^2/n_2)^0.5[/tex]

where X1 and X2 are the sample means, s1 and s2 are the sample standard deviations, and n1 and n2 are the sample sizes.

Using the sample data

X1 = -1.391, X2 = -0.375

s1 = 0.858, s2 = 0.605

n1 = n2 = 12

Substitute the values

[tex]t = (-1.391 - (-0.375)) / (0.858^2/12 + 0.605^2/12)^0.5[/tex]

≈ -2.145

Therefore, the t-statistic for the hypothesis test is approximately -2.145.

To find the p-value for the hypothesis test,

From a t-distribution table with 22 df and the absolute value of the t-statistic. Using a two-tailed test at the 5% significance level, the p-value is approximately 0.042.

Therefore, the p-value for the hypothesis test is approximately 0.042.

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Question 13 1 pts Use ToolPak t-Test: Two-Sample Assuming Unequal Variances with Variable 1 as the change in PSI for the Patriots and Variable 2 as the change in PSI for the Colts. a. The Patriot's sample average change: [Choose b. The Colts sample average change: [Choose) c. The difference in the teams average changes Choose) e. The t-statistic for the hypothesis testi Choose) The p-value for the hypothesis test: [Choose Team P P P 12.5 AaaaaAAAUUUU PSI Halftim PSI Pregame 11.5 12.5 10.85 12.5 11.15 12.5 10.7 12.5 11.1 12.5 11.6 11.85 12.5 11.1 12.5 10.95 12.5 10.5 12.5 10.9 12.5 12.7 13 12.75 13 12.5 13 12.55 13 ak t-Test: Two-Sample Assuming Unequal Variances with Variable 1 as the change in PSI for ets and Variable 2 as the change in PSI for the Colts. triot's sample average change: olts sample average change: [Choose ] -1.391 -0.375 2.16 -7.518 0.162 -1.016 4.39E-06 (0.00000439) difference in the teams average S: t-statistic for the hypothesis test: [Choose) p-value for the hypothesis test: [Choose

The standard form equation that equals the combination of the two given equations, \(07x-y=-5\) and \(7x+y=5\), is \(14x = 0\).

To find the combination of these two equations, we can add them together. When we add the left sides of the equations, we get \(07x + 7x = 14x\). Similarly, when we add the right sides, we get \(-y + y = 0\), and \(5 + (-5) = 0\).

Therefore, the combined equation in standard form is \(14x = 0\).

Regarding the second set of equations provided, \(0x-y=14\) and \(7x + 3 = 5\) and \(y-1=6\) and \(2- 4y = -14\), none of these equations can be combined to form a standard form equation. The first equation is already in standard form, but it does not relate to the other equations given. The remaining equations do not involve both \(x\) and \(y\), and therefore cannot be combined into a single standard form equation.

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Answer:

zeroes of the equations are x= 1 , -3      

Step-by-step explanation:

firstly divide both sides by 2 so new equation will be

x^2+2x-3=0

you can use quadratic formula or simply factor it

its factors will be

x^2 +3x - x -3=0

(x+3)(x-1)=0

are two factors

so

either

x+3=0             or          x-1=0

x=-3                 and        x=1  

so zeroes of the equations are x= 1 , -3      

by the way you can also use quadratic formula which is

[-b+-(b^2 -4ac)]/2a

where a is coefficient of x^2 and b is coefficient of x

and c is constant term

Answer: 5

Step-by-step explanation:

So, first we want to find what number times -3 is -15, and what number times -4 is -20 because its a dialation.

-3 times 5 is -15, and -4 times 5 is -20. Therefor the answer is 5.

The ratio for Pete is 5:6 which is equivalent to 1000 shirts, therefore we will pay $10,000 to Ana, and he will pay $9600 to June.

Ana:

Ana is offering a promotion, which is to buy 5 and get 1 free. Based on this, the ratio would be 5:6 (pay 5 but get 6). Using this ratio, let's calculate the number of shirts that Pete would pay:

1200 / 6 =  200 x 5 = 1000 shirts

1000  shirts x $10 = $10,000

Jun:

The price with Jun is fixed as he will need to pay $8 for each shirt:

1200 shirts x $8 = $9600

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Answer:

Radius is [tex]r\approx4.622\,\text{ft}[/tex]

Step-by-step explanation:

[tex]V=\pi r^2h\\34=\pi r^2(5)\\\frac{34}{5\pi}=r^2\\r=\sqrt{\frac{34}{5\pi}}\\r\approx4.622\,\text{ft}[/tex]

The required values would be :

1) y-intercept = (0, 8/5)

2) x-intercepts = (-4, 0), (4/3, 0)

3)Vertical asymptotes = `x = 2`, `x = -5/2`.

Given function:  `f(x) = ((x+4)(3x-4)) / ((x-2)(2x+5))`

Let us find the y-intercept:

For the y-intercept, substitute `0` for `x`.`f(x) = ((x+4)(3x-4)) / ((x-2)(2x+5))``f(0) = ((0+4)(3(0)-4)) / ((0-2)(2(0)+5))``f(0) = -16 / -10``f(0) = 8 / 5`

Therefore, the y-intercept is `(0, 8/5)`.

Let us find the x-intercepts:

For the x-intercepts, substitute `0` for `y`.`f(x) = ((x+4)(3x-4)) / ((x-2)(2x+5))``0 = ((x+4)(3x-4)) / ((x-2)(2x+5))`

This can be simplified as:`(x+4)(3x-4) = 0`

This equation will be true if `(x+4) = 0` or `(3x-4) = 0`.

Therefore, the x-intercepts are `-4` and `4/3`.Therefore, the x-intercepts are (-4, 0) and `(4/3, 0)`.

Let us find the vertical asymptotes:

To find the vertical asymptotes, we need to find the values of `x` that make the denominator of the function equal to zero.`f(x) = ((x+4)(3x-4)) / ((x-2)(2x+5))``(x-2)(2x+5) = 0`

This will be true if `x = 2` and `x = -5/2`.

Therefore, the vertical asymptotes are `x = 2` and `x = -5/2`.

Hence, the required values are:

1) y-intercept = (0, 8/5)

2) x-intercepts = (-4, 0), (4/3, 0)

3)Vertical asymptotes = `x = 2`, `x = -5/2`.

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