Answer:
14.13 ft²
Step-by-step explanation:
The area of a semicircle is

We were given the radius of the semicircle to be: r=3 feet.
We were also asked to use π as 3.14.
We substitute into the formula to get:

This is the same as:

Or


The area of the semicircle is 14.13 ft²
−3/4+(1/10÷2/5)
parenthesis first
1/10 divided by 2/5
copy dot flip
1/10 * 5/2
5/20
1/4
−3/4+(1/10÷2/5)
-3/4 + 1/4
-2/4
divide top and bottom by 2
-1/2
Answer:
well your asking a question that needs a graph
Step-by-step explanation:
Answer:
A. 81
Step-by-step explanation:
F(x)=
if x=4, then F(4) =
= 3×3×3×3=81