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4 years ago

What values will complete this table to show direct variation? Help! And quick!!!

Mathematics

2 answers:

lidiya [134]4 years ago

8 0

Answer:

0, -4, -8

Step-by-step explanation:

multiply 4 by x

4*1=4

4*0=0

4*-1= -4

4*-2= -8

4*-3= -12

vlada-n [284]4 years ago

7 0

Answer: 0 -4 and -8

Step-by-step explanation:

If you divide -12/-3=4 and 4/4=1

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A text message plan costs $2 per month plus $0.23 per text. Fine the monthly cost for x text messages

vlabodo [156]

Answer:

y= 2 + 0.23x

Step-by-step explanation:

Giving the following information:

A text message plan costs $2 per month plus $0.23 per text.

First, we need to structure the total cost formula:

y= total cost

x= number of text messages

y= 2 + 0.23x

Now, we can calculate the total cost for any number of text:

x= 200

y= 2 + 0.23*200

y= $48

6 0

4 years ago

What is the slope of the line that passes through the points (-10, 8) and

vlada-n [284]

Answer:

$slope=3$

Step-by-step explanation:

Use the following equation the find the slope:

$\frac{y_{2}-y_{1}}{x_{2}-x_{1}} =\frac{rise}{run}$

Rise over run is the change in the y-axis over the change in the x-axis from one point to the other. This is also known as the "slope". Insert the known values:

$(-10_{x1},8_{y1})\\\\(-15_{x2},-7_{y2})\\\\\\\frac{-7-8}{-15-(-10)}\\\\\frac{-7-8}{-15+10}$

Solve:

$\frac{-7-8}{-15+10}=\frac{-15}{-5}$

Simplify. Two negatives make a positive:

$\frac{-15}{-5}=\frac{15}{5}$

Simplify fraction by dividing top and bottom by 5:

$\frac{15}{5}=\frac{3}{1} =3$

The slope is 3.

:Done

8 0

3 years ago

What is the answer to this question

Dmitrij [34]

781 would be the answer I believe

5 0

3 years ago

Read 2 more answers

-8 over X equals four what is X equal

uranmaximum [27]

-8/x = 4
-8 = 4x
-8/4 = x
-2 = x
or
x = -2

4 0

3 years ago

1+14554345555556675566669877

zhenek [66]

14554345555556675566669878 is your answer.

All you have to do when adding 1 is add the number at the very end of the number +1.

It's quite easy.

Glad I could help, and good luck!

8 0

3 years ago

Read 2 more answers