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Alla [95]
3 years ago
5

3/4 is equal to how many 84ths? Explain please!

Mathematics
2 answers:
Anettt [7]3 years ago
7 0
84×3/4=63
it means if 84 is divided in 4 person then 3 person take 63
frutty [35]3 years ago
6 0
It is just asking for you to convert 3/4 in 84ths. This means it wants the denominator to be 84. So multiply both the top and bottom by what gets you 84. In this case, multiply both by 21. So 3/4•(21/21)=63/84
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Substitute the numbers in the equation:

V=LWH

Since L=5in, W=4in and H=8in:

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Answer:

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where x is number of elephant ears.

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Differentiating with respect to x

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Again differentiating with respect to x

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Since at x=400, P''(x)<0, the profit is maximize.

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The number of elephant ears that must be sold to maximize profit is 400.

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