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Sidana [21]
3 years ago
15

I WILL GIVE BRAINLIEST

Mathematics
2 answers:
Mamont248 [21]3 years ago
8 0

Answer:

y=3x+7

Step-by-step explanation:

Let's called miles traveled x. And charge y

So the equation

y=3x+7

geniusboy [140]3 years ago
3 0

Answer:

y= 7x+ 7

Step-by-step explanation:

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What is the slope of the function, represented by the table of values below ?
Komok [63]
For a given function, slope is defined as the change in outputs, or y-values divided by the change in inputs, or x-values. In essence the slope asks "For a given change in x, how much does y change?" or even more simply: "How steep is the graph of this function?". This can be represented mathematically by the formula:
m=\frac{rise}{run}=\frac{\Delta y}{\Delta x}=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

Since we have a table of x,y pairs it's the last form of that equation that will be the most useful to us. To compute the slope we can use any two pairs, say the first two, and plug them into our formula:
m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=\frac{4-10}{0-(-2)}=\frac{-6}{2}=-3

We can check this answer by using a different pair, say the last two:
m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=\frac{(-23)-(-14)}{9-6}=\frac{-9}{3}=-3.

As a common sense check: Our y-values get smaller as our x-values get bigger so a negative slope makes sense. 

m=-3
5 0
3 years ago
What is the value of r in the equation 4r − 8 = 5r + 12?<br><br> −20<br> −1<br> 1<br> 20
inn [45]

Answer

r = -20

Step-by-step explanation

4r-8=5r+12

subtract 4r from both sides of the equation

-8=r+12

subtract 12 from both sides of the equation

-20 = r

5 0
3 years ago
Read 2 more answers
How to solve 9x 4 2/5 in words
Natalija [7]

Answer:

39.6

Thirty nine point six

Step-by-step explanation:

9 x 4 2/5

9 x 22/5

198/5 = 39.6

Thirty nine point six

3 0
3 years ago
The given polygon is a right, scalene triangle. Use a congruent triangle to form a quadrilateral. A scalene triangle. The side l
steposvetlana [31]

Answer:

Sorry I know that im late responding but better late then never

Step-by-step explanation:

A: It’s a rectangle.

B: Opposite sides are congruent.

D: Opposite sides are parallel.

E: All angles are right angles.

In shorter words the answer is

A, B, D, E.

You are welcome :D

3 0
2 years ago
Read 2 more answers
What is the surface area?????
Elenna [48]

The area of a triangle is found using the formula Area = 1/2 x base x height.


Base = 8

Height = 18.


The area of 1 triangle = 1/2 x 8 x 18 = 72 square units.


There are a total of 4 sides, so total area = 72 x 4 = 288 units ^2

5 0
2 years ago
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