DenniJ19

01.09.2021 •

Mathematics

Write a rule for the piecewise function.
Please help as soon as possible!!! Only serious answers

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Ответ:

henrymototero

13.05.2021

Mathematics

the answer is the option D

boxes

Step-by-step explanation:

Let

x-----> the number of the oz boxes

y-----> the number of the oz boxes

we know that

x+y=24

y=24-x -----> equation A

3.5x+5y=97.5 -----> equation B

Substitute equation A in equation B

3.5x+5(24-x)=97.5

3.5x+120-5x=97.5

solve for x

3.5x-5x=97.5-120

-1.5x=-22.5

x=15

Find the value of y

y=24-15=9

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Write a rule for the piecewise function. Please help as soon as possible!!! Only serious answers