Step-by-step explanation:
Diameter = 2r
= 7.7 = 2r
7.7/2 = r
3.85=r
Answer:
C. .024
Step-by-step explanation:
You multiply 25 by 4 to get 100 and then you multiply 6 by 4 to get twenty four. After that you divide both numbers by one hundred and you get C
Answer:

Step-by-step explanation:
Given


Required
The area of the shaded sector
This is calculated as:

This gives




I believe it's y'(0)=-3
I was only able to simplify the equation.
Hope this helps