Answer: 491.9524 I am pretty sure
Step-by-step explanation: The formula is PI r squared so you find the diameter which is 7 and yo multiply by 3.14 then square the #.
Answer:
Set them equal to each other and solve for X
Step-by-step explanation:
x+109=x+89
Subtract 109 from 89
x=-20
The answer is: [D]: " C = 2 π r " .
___________________________________________
Answer:
45.1
Step-by-step explanation:
The original amount is 82
But the wrong amount is 45
So we will have to calculate the percentage for the error
82-45
37
So %error= 37/82 ×100
=3700/82
=45.121~45.1( to nearest tenth)
So the final answer is 45.1%
<span>So, Korea 10, Italy 11 & France 12.
10+11+12 =33 so the numbers are correct.</span>
