Answer:
A = 201 cm²
Step-by-step explanation:
We know that the area of a circle can be calculated with the formula:
A = πr² = π(d/2)²
with d being the diameter.
Therefore:
A = 3.14(8cm)² = 201 cm²
Solution :
Give that a shark can chase prey about 30 miles per hour.
1 hour = 60 minute
by using unitary method, we will convert miles per hour into miles per minute
in 60 minutes the shark can chase the prey 30 miles
In 1 minute the shark can chase 
Hence the shark can chase the prey about 0.5 miles per minute.
The answer to this question is 5a^2-6a+20+(-175a+102)over(5a^2+6a-9)
Answer: 9pi
Step-by-step explanation:
Answer:
13.018
Step-by-step explanation:
14.15 minus 8 percent = 13.018