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2 years ago

9

bella pays 7 payments of $5 each to a game store.She returns one game and recieves $20 back.what is the change to the amount of

money she has ?

1 answer:

adell [148]2 years ago

5 0

7times 5 =35 added to 20 ? Sorry if I’m wrong

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

The question is not properly structured but we can as well find the sum of 5/7 and 10 as shown;

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2 years ago

I need algebra help.....

Lubov Fominskaja [6]

Answer:

$y=4(3)^x$

Step-by-step explanation:

From the table given in the question,

x y Difference Ratio

1 12 - -

2 36 36-12 = 24 $\frac{36}{12}=3$

3 108 108-36 = 72 $\frac{108}{36}=3$

4 324 324-108 = 216 $\frac{324}{108}=3$

5 972 972-324 = 648 $\frac{648}{216}=3$

There is a common ratio of 3 in each successive term.

Therefore, data given in the table will represent an exponential function.

$y=a(b)^x$

For a point $(1, 12),$

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For another point of the table $(2,36)$ ,

$36=a(b)^2$

$ab^2=36$ --------(2)

Equation (2) divided by equation (1)

$\frac{ab^2}{ab}=\frac{36}{12}$

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From equation (1),

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Therefore, exponential function will be,

$y=4(3)^x$

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3 years ago