A "derivative" is a rate of change.

The derivative of a plain old number is zero, since numbers never change.

Pi is a number. Its value never changes. Its derivative is zero.

4 0

4 years ago

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Help with both questions please

devlian [24]

Answer:1:b i think

2: 125

Step-by-step explanation:

3 0

3 years ago

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Evaluate C= 2 A r, for r= 8.<br>C=10,<br>C = 16<br>C= 28.7<br>C= 16

USPshnik [31]

Answer: Second Option

$C = 16\pi$

Step-by-step explanation:

We are evaluating aarco lengths

The formula for the arc length is:

$C = 2\pi r$

We want to know what is the arc length for a radius of r = 8

Then we substitute r = 8 in the equation and solve

$C = 2 \pi * 8$

$C = 16\pi$

The correct answer is the second option

8 0

3 years ago

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