Answer:
pi / 4
Step-by-step explanation:
Circumference = 2pi(R)
pi = 2pi(R)
pi / 2pi = R
1/2 = R
Area= pi(R)^2
A = pi(1/2)^2
A= pi/4
Answer:
x=6; y=-3 (6;-3)
Step-by-step explanation:
9x=54
x=6
If you substitute...y= -3
7 1/5 = 36/5 = 7.2 <== first, turn ur mixed number into an improper fraction...and then just divide ...36 divided by 5 = 7.2
Answer:
you Cheat and out smart them
Step-by-step explanation:
Answer:
134 square feet
Step-by-step explanation:
find the area of the whole wall: 9 x 18 = 162
find the area of the painted section: 4 x 7 = 28
subtract the area of painted space from the whole area: 162-28=134