Work shown above! Answer is A = (πD^2)/4. d = diameter
Hope this is what you were looking for!
Answer:
B:Multiplication of the outer terms of the two factors does not result in -7x
Step-by-step explanation:
Answer:
d?
Step-by-step explanation:
To find it directly
A = 2 pi r h
A is proportional to rh
factor 2
A is multiplied by 2 * 2 = 4
factor 3
3 * 3 =9
factor 5
5 * 5 = 25
factor 10
10 * 10 = 100
(b) the increase in A by factor x is x^2
c(20)^2 = 400