3 years ago

Math Question, please help! Please show your work so I know how you got your answer and thanks in advance! :)

1 answer:

7 0

Well look at seniors.. the first section has the number 16 for morning classes so take 16, add all the numbers together...
16+15+7=38
so the fraction is 16/38
convert that to a decimal.. which is 0.42.1052632, and etc...
so, therefore, your answer would be
0.421:)

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Suppose that the cost of producing n pairs of shoes is given by the expression c(n)=30+5n. the average cost of producing a pair

makkiz [27]

<h3>Given</h3>

$c(n)=30+5n\\a(n)=\dfrac{c(n)}{n}$

$\dfrac{d}{dn}(a(n))\quad\text{at n=10}$

<h3>Solution</h3>

$\dfrac{d}{dn}(a(n))=\dfrac{d}{dn}\left(\dfrac{30+5n}{n}\right)=\dfrac{d}{dn}\left(30n^{-1}+5\right)\\\\=-30n^{-2}\\\\=-30\cdot 10^{-2}\qquad\text{at n=10}\\\\=-0.30$