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gulaghasi [49]
3 years ago
15

Rewrite 7/10 and negative 2/5

Mathematics
1 answer:
goblinko [34]3 years ago
7 0
0.7 and -0.4 is you wanted them as decimals
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Because it is 2+1 and 3+0, those are the only solution, therefore A is correct

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The publisher of a recently released nonfiction book expects that over the first 20 months after its release, the monthly profit
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Answer:

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

(b)P'(5)=-($4.54) Thousand

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(d)The fifth Month

Step-by-step explanation:

Given the monthly profit model:

P(t)=\frac{240t-40t^2}{t^2+20}

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

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Marginal Profit=P'(5)

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=-($4.54) Thousand of dollars

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=-($2.10) Thousand of dollars

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3 years ago
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