Enter the values needed to find the
length CB. (Simplify your answer.)

Answer:

1.2×1.3=1.56

Step-by-step explanation:

1.2 ×1.3=1.56

Answer:

1.2

Step-by-step explanation:

x+1.3=1.56

x=1.56

1.3

=1.2

Answer:

0.75

Step-by-step explanation:

Answer:

40% of the student is 160

30% of the students is 120

10% of the students is 40

the remain is ___

160 + 120 + 40= 320

400 -320 = 80

meaning 160 students passes only math (40%). 120 students passed on science (30%). 40 students fail both subjects (10%) and 80 students passes both subjects (20%)

Answer:

You should do this on your own but if you consider the way I graph it, the slope should be going downwards and in the middle of the graph, the y-intercept should be two units down.  Each unit for the x line should be 14 units apart as stated in the function.

Step-by-step explanation:

Hopefully this helps ^^

Answer:

F

(

x

)

=

−

7

x

2

−

2

x

+

C

Step-by-step explanation:

Answer:

30.5 feet

Step-by-step explanation:

Answer:hope it helped

Step-by-step explanation:

A function is always a relation

Answer:

answer attached in pic ture

Answer:

1/16

Step-by-step explanation:

it is the same as

[tex]\frac{1}{8^\frac{4}{3}} = \frac{1}{ {(\sqrt[3]{8})}^4} = \frac{1}{2^4} = \frac{1}{16}[/tex]

Answer:

Magnitude is 5

Step-by-step explanation:

Using the formula for calculating the distance between two points expressed as:

D = √(x2-x1)²+(y2-y1)²

Given the coordinates  (3,5) and (-1,2)

D = √(2-5)²+(-1-3)²

D = √(-3)²+(-4)²

D = √9+16

D = √25

D = 5

Hence the magnitude is 5

Answer:

Answer is 19 trust me

Step-by-step explanation:

Answer:

I don't  know

Step-by-step explanation:

I see now question below so  can not answer.

Answer:

x=2.5 for the second question!

x= -8.3 repeating for the 5th question

Step-by-step explanation:

Answer:

1. x = 9

2. x = 5/2

3. x = -64

4. x = -20

5. x = -5

6. x = 19

7. x = -6

Step-by-step explanation:

1.

-3x + 9 = -18

-3x = -27

x = 9

2.

2x - 14 = -9

2x = 5

x = 5/2

3.

x/2 + 8 = -24

x/2 = -32

x = -64

4.

-2.5x - 10 = 40

-2.5x = 50

x = -20

5.

-6x - 10 = 20

-6x = 30

x = -5

6.

50 = 2x + 12

38 = 2x

19 = x

x = 19

7.

x/2 - 7 = -10

x/2 = -3

x = -6

Answer:

Step-by-step explanation:

Looking at the Venn diagram :

The total number of students surveyed is 7+5+8+6+2+4+3+6 = 41

The number of students that studies physics is = 14

The number of students that studies chemistry is =  21

Probability  = number of favorable outcomes / total number of outcomes

Therefore  the probability that a student chosen at random studies physics and chemistry or both is  35/41 = 0.85

Answer:

Using the slope-intercept form, the slope is 4 .

Answer:

the slope of this is 10

Step-by-step explanation:because while you solve -4 and x-3 you have to divide then subtract to the point get to ten. hope this helps

Answer:

Step-by-step explanation:

factors for

40=1,2,4,5,8,10,20,40

41=1,41  prime

3526=1,2,41,43,82,86,1763,3526

1001=1,7,11,13,77,91,143,1001

Answer:

Factors Of 40 in Pairs

1 × 40 = 40.

2 × 20 = 40.

4 × 10 = 40.

5 × 8 = 40. Therefore, the factors in pairs are (1, 40), (2, 20), (4, 10) and (5, 8).

Factors of 41: 1, 41

Factors of 3526 =1, 2, 41, 43, 82, 86, 1763, 3526.

1, 7, 11, 13, 77, 91, 143, and 1001. Factors of 1001 include negative numbers.

Step-by-step explanation:

Answer:

64.23%

Step-by-step explanation:

Percent error

(699-250)/699  x 100 = 64.23

Answer: the answer is 64%

Step-by-step explanation:

Answer:

∠1 = 40

Step-by-step explanation:

So due to the alternate interior angles theorem, angle 1 and angle 2 equal each other so:

2x + 20 = 3x + 10

subtract 2x from both sides

20 = x + 10

subtract 10 from both sides

10 = x

Now input 10 into the equation

2(10) + 20

20 + 20

40

Answer:

[tex]y = - x + 2[/tex]

Step-by-step explanation:

[tex]y = mx + b[/tex]

[tex]y = \frac{ - 2}{2} x + 2[/tex]

[tex]y = - x + 2[/tex]

Answer:

*sum

Step-by-step explanation:

i am not sure. But I just wanted to correct it for someone else

Answer:

1st one

Step-by-step explanation:

Answer:

Hope it helps) and HAPPY NEW YEAR MY DEAR

Step-by-step explanation:

Let A be the number of cards Alan has

B be the number of cards Bill has

C be the number of cards Calvin has

Alan had 11 less than 2 1/2 times the number of cards bill has.

is 2.5

Alan is 2.5 of bill has minus 11

A=2.5B -11

Calvin has 1 more than 1 1/2 times the number of cards bill has.

is 1.5

Calvin is 1.5 of bill has plus 1

C=1.5B + 1

Alan and Calvin have the same number of cards

So A=C

WE plug in A and C equations and solve for B

2.5B -11 = 1.5B + 1 (subtract 1.5B on both sides)

1B -11 = 1 (Add 11 on both sides)

B = 12

If Alan and Calvin have the same number of cards, the number bill has is 12

The number of cards Alan and Calvin each have is 19

Total cards = 12 + 19 + 19 = 50

If Alan, bill, and Calvin have all the cards in the deck then the deck has 50 cards.

Answer:

All three have same rate of running.

Step-by-step explanation:

Given that:

Distance covered by Roger = 150 minutes

Time taken by Roger = 5 miles

Distance covered by Ryan = 300 minutes

Time taken by Ryan = 10 miles

Distance covered by Rick = 2[tex]\frac{1}{2}[/tex] hours

Time taken by Rick = 2 miles

To find:

Who has the fastest rate of running?

Solution:

First of all, we need to convert the time in hours and then we need to apply the formula for relation between Speed, time and distance.

Then we can compare the Speed.

60 minutes = 1 hour

150 minutes = [tex]\frac{1}{60} \times 150 = 2.5\ hours[/tex]

300 minutes = 5 hours

Formula for Speed:

[tex]Speed = \dfrac{Distance}{Time}[/tex]

Rate of running (speed) of Roger = [tex]\frac{5}{2.5}[/tex] = 2 miles/hr

Rate of running (speed) of Ryan = [tex]\frac{10}{5}[/tex] = 2 miles/hr

Rate of running (speed) of Rick = [tex]\frac{5}{2.5}[/tex] = 2 miles/hr

Therefore, All three have same rate of running.

Answer:

a=-5

Step-by-step explanation:

a+7=2

move the constant to the right

a=2-7

then calculate the difference

a=-5

So a=-5 is your answer

Answer: Choice C) [tex]\frac{\sin(23)}{6.2} = \frac{\sin(85)}{b}[/tex]

=========================================================

Explanation:

The angle opposite side b is 85 degrees. So we'll involve either the fraction [tex]\frac{\sin(85)}{b}[/tex] or [tex]\frac{b}{\sin(85)}[/tex]. In this case, we will use the first fraction. This is due to all of the answer choices having sine on top.

The other fraction must have sine on top as well.

The known side is AB = 6.2; the opposite angle is C = 23 which you find by solving A+B+C = 180 and plugging in A = 72 and B = 85.

So the other fraction we'll use is [tex]\frac{\sin(23)}{6.2}[/tex]

Overall, the proportion we can set up is

[tex]\frac{\sin(23)}{6.2} = \frac{\sin(85)}{b}[/tex]

which points to choice C as the final answer.

Answer:

75 + 64 = 139

Step-by-step explanation:

The measure of the exterior angle is 139

Answer:

2= 139

Step-by-step explanation:

A triangle is 180 degrees.

64+75= 139

180-139=41

A line is also 180 degrees

180- 41= 139

Answer:

-3.56 i think .

Step-by-step explanation:

Answer:

I think it's 12 a⁹ b⁷ correct me if I'm wrong

Answer:

4a3b2×3a6b5

=12a9b7