Well if d= 20
d=2r
so 20 = 2r
r=10
is that what you wanted, or does this have to do with a circle
Answer:
10
Step-by-step explanation:
Answer:
7.3%
Step-by-step explanation:
Given:
<em>Formula for Rate of interest </em>
:

Where
is the rate of interest.
dollars is the loan and
years is the time for which interest is to be paid

To find:

Solution:
Putting the given values in the formula:

Multiply the above value with 100 to find the percentage.
i.e.

Therefore, the answer is <em>7.3%</em>
Answer:
Step-by-step explanation:
What is z to the -6th power?