15 since it is the coefficient of x.
Answer:r=4 , a= 2
Step-by-step explanation:
Answer: 10.7741077410774...
Step-by-step explanation: The formula for percent of error is (absolute value of prediction-actual)/actual times 100 so it is |265-297|/297 times 100 which is
X^2 + x^2 =32
2x^2=32
x^2=16
x=4
Answer:
25.1325
Step-by-step explanation:
A=r^2
radius is half of 8
A=4^2
solve gets 50.265
then divide by 2
25.1325