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3 years ago

Find the slope between the point A (3,2) and B (-1,-4) A. 7/3 B. 3/2 C. 2/3 D. 3/7

Mathematics

1 answer:

Semenov [28]3 years ago

4 0

Answer:

The slope will be m= 3/2

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The graph of an exponential function passes through the point (0,15) and (1,10). What is the equation of the exponential functio

Vilka [71]

Answer:

$y=15(\frac{2}{3})^x$

Step-by-step explanation:

we know that

The equation of a exponential function is of the form

$y=a(b^x)$

where

a is the initial value or y-intercept

b is the base of the exponential function

In this problem we have

$a=15$ ----> the y-intercept is given

substitute

$y=15(b^x)$

we have the other ordered pair (1,10)

substitute the value of x and the value of y and solve for b

$10=15(b^1)\\10=15b$

$b=\frac{10}{15}=\frac{2}{3}$

substitute

$y=15(\frac{2}{3})^x$

see the attached figure to better understand the problem

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3 years ago

Sara drove 96 miles on 3.2 gallons of gas. How many miles can Sara drive on 12.5 gallons of gas

Blababa [14]

Answer:

375 miles

Step-by-step explanation:

Create a proportion where x is the number of miles she can drive on 12.5 gallons of gas:

$\frac{96}{3.2}$ = $\frac{x}{12.5}$

Cross multiply and solve for x:

3.2x = 1200

x = 375

So, with 12.5 gallons of gas, Sara can drive 375 miles

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Answer:

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Step-by-step explanation:

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QveST [7]

Answer:

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Step-by-step explanation:

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If the graph of a line goes from the upper left corner of the graph to the lower right corner, what can you say about its slope?

musickatia [10]

Answer:

I believe the answer is D. Hope this helps

Step-by-step explanation:

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2 years ago