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3 years ago

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Ms. Plumlee is making brownies. Ms. Sed is making brownies as well. Ms. Plumlee makes 12 brownies per hour. Ms. Sed makes 10 bro

wnies per hour. After 24 hours, how many brownies does Ms. Plumlee and Ms. Sed make each?

1 answer:

Firdavs [7]3 years ago

6 0

Answer:

48

Step-by-step explanation:

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Read 2 more answers

A company sells widgets. The amount of profit, y, made by the company, is related to

just olya [345]

Answer:

$978

Step-by-step explanation:

Given:

y = amount of profit
x = selling price of each widget
$y=-x^2+78x-543$

To find the maximum amount of profit, differentiate the equation, set it to zero and solve for x. Substitute found value of x into the original equation.

<u>Differentiate equation</u>

$y=-x^2+78x-543$

$\implies \dfrac{dy}{dx}=-2x+78$

<u>Set differentiated equation to zero and solve for x</u>:

$\dfrac{dy}{dx}=0$

$\implies -2x+78=0$

$\implies 2x=78$

$\implies x=39$

<u>Maximum profit</u>

Substitute x = 39 into the equation:

$\implies -(39)^2+78(39)-543=978$

Therefore, max profit is $978

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