Answer is choice B: the circumference of a circle is the same as perimeter and is defined by πd (or pi times diameter) We can cut this in half because we are working with a semicircle: so we have 6π which approximates to the value in answer
when using 3.14 for pi
Woops: forgot to add the diameter of 12 so we would have 30.84
Answer:
87 i think
Step-by-step explanation:
I used a calculator
We want to solve

Subtract 5 from each side.

Divide each side by 3.

Take natural logs of each side.

Divide each side by 2.
x = 0.9962
Answer: x = 0.996 (nearest thousanth)
Answer:
63
Step-by-step explanation:
Answer:
4 √b
Step-by-step explanation:
It was on Khan, I have no clue what I'm doing