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Ann [662]
3 years ago
11

Please help me Explain Step by step Worth 15 points

Mathematics
2 answers:
solmaris [256]3 years ago
7 0
Total monthly income = $5300
housing = 28%

= 28%*$5300
=(28/100)*$5300
=$1484

Letter C
zloy xaker [14]3 years ago
4 0
C bc 28% of 5300 is 1484, I just multiply 0.28 to 5300 to get the answer.
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Answer:

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Step-by-step explanation:

Given the monthly profit model:

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We differentiate

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\frac{dP}{dt}=\frac{(t^2+20)(240-80t)-(240t-40t^2)(2t)}{(t^2+20)^2}

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\frac{dP}{dt}=\frac{4800-1600t-240t^2}{(t^2+20)^2}

We have derived a model for the marginal profit.

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(d) Since the marginal profit at t=5 is negative, after the 5th Month, the profit starts to experience a steady decrease.

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