Answer:
<em>r=3x</em>
Step-by-step explanation:
<u>The Volume of a Cone</u>
The volume of a cone of radius r and height h is:

We are given the volume of a cone is

Equating:

Multiplying by 3:

Simplifying by pi:

Since h=x:

Dividing by x:

Taking square roots:

Thus: r=3x
Answer:
c=√a²+b²
Step-by-step explanation:
You can use this equation to solve it.
The top 15% (85th percentile) is the cutoff value

such that

where

is the corresponding cutoff for the standardized normal distribution. We have

, and so