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LUCKY_DIMON [66]
2 years ago
8

What is the value of the expression below when x 5 and y = 5? 6x — бу – -​

Mathematics
1 answer:
Mazyrski [523]2 years ago
6 0

Step-by-step explanation:

Well ur doing (3)5 (3)5 =

30-30=

<u>0</u>

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Answer:

a. V = (20-x) x^{2} in^{3}  

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Step-by-step explanation:

Given that:

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As we know that, this is a rectangular box has a square base so the Volume of it is:

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b. What is the maximum possible volume of the box?

To  maximum the volume of it, we need to use first derivative of the volume.

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Let dV / Dx = 0, we have:

-3x^{2} + 40x  = 0

<=> x = 40/3

=>the height h = 20/3

So  the maximum possible volume of the box is:

V = 20/3 * 40/3 *40/3

= 1185.185 in^{3}

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