2 years ago

The area of a rectangular piece of cardboard is 36 sq cm and its length is 9 cm. What is the width of the cardboard

Mathematics

1 answer:

Mice21 [21]2 years ago

3 0

Answer:

Step-by-step explanation:

L x W = A

A ÷ L = W

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The marginal profit in dollars on Brie cheese sold at a cheese store is given by Upper P prime (x )equals x (60 x squared plus 9

blondinia [14]

Answer:

Part A:

P(x)=15x^4+30x^3-50

Part B:

P(4)=$4270

Step-by-step explanation:

Part A:

In order to find the profit function P(x) we have to integrate the P'(x)

P'(x)=x(60x^2+90x)

P'(x)=60x^3+90x^2

$\int\limits {p'(x)} \, dx =\int\limits {60x^3+90x^2} \, dx$

P(x)=15x^4+30x^3+C

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Part B:

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P(4)=$4270

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