3 years ago

Reduce -34/87 to lowest terms.

Mathematics

2 answers:

sattari [20]3 years ago

8 0

It is already reduced.
They don't have a common factor to reduce them by.

scoray [572]3 years ago

3 0

I think it is already reduced.

How you a doin?

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The cost, in dollars, of producing x belts is given by C(x) = 634 + 18x - 0.071 x^2. Find the rate at which average cost is chan

o-na [289]

Answer:

When 324 belts have been produced, the average cost is changing at -28 dollars for each additional belt.

Step-by-step explanation:

The cost of producing x belts is given by:

$C(x) = 634 + 18x - 0.071x^{2}$

Find the rate at which average cost is changing when 324 belts have been produced.

This is $C'(324)$ . So

$C(x) = 634 + 18x - 0.071x^{2}$

$C'(x) = -0.142x + 18$

$C'(324) = -28$

So the correct answer is:

When 324 belts have been produced, the average cost is changing at -28 dollars for each additional belt.

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