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Gnom [1K]
2 years ago
12

I need some help on this! i need my grade to go up

Mathematics
2 answers:
aleksandrvk [35]2 years ago
8 0
The answer is -8.9 + 16.6 I believe.
Kaylis [27]2 years ago
4 0
3rd one I think tho it may not be accurate
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Step-by-step explanation:

Part A)

we know that

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x ----> is the number of books (represent the input or independent variable)

In this problem

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Part B)  we know that

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In this problem the constant k is given

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