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4 years ago

6 1/4 - 2 3/8 explain

Mathematics

2 answers:

Vanyuwa [196]4 years ago

8 0

Answer;

Explanation: 31/8 or 3 7/8

6 1/4 = 25/4
2 3/8 = 19/8

25/4 - 19/8
= 50/8 - 19/8
= 31/8

EleoNora [17]4 years ago

4 0

it is 3.875

if you subract the two fraction it makes 31/8. then devide it which makes 3.875

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3 years ago

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nasty-shy [4]

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In order to maximize the last equation we can derivate the function in term of x and we got:

$\frac{dP}{dx} = 190 -2x$

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Step-by-step explanation:

For this case we have the following function for the profit:

$P(x) = x(190-x)$

And we can rewrite this expression like this:

$P(x) = 190 x -x^2$

In order to maximize the last equation we can derivate the function in term of x and we got:

$\frac{dP}{dx} = 190 -2x$

And setting this derivate equal to 0 we got:

$\frac{dP}{dx} = 190 -2x=0$

And solving for x we got:

$x = 95$

And for this case the value that maximize the profit would be x =95 and the corresponding profit would be:

$P(x=95)= 95(190-95)= 95*95 = 9025$

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