Answer:
6π feet.
Step-by-step explanation:
The area = π r^2 = 9π
So r^2 = 9π/π = 9
r = 3 ft.
So the circumference = 2πr
= 2*π*3
= 6π feet.
Answer:
x= 1
y= 3
Step-by-step explanation:
21(-2+y) +7y = 42
-42 +28y+42
28y = 42+42
28y= 84
divide both sides y= 3
x= -2+3 x=1
x= + (3-2) = 1
42=42
10=10
Answer:
The bag of 8 ears of corn
Step-by-step explanation:
2.56/8 = .32 per ear of corn
4.32/12 = .36 per ear of corn
Answer:
14 miles per 1 hour (14m/1hr), I hope this helps :)
Answer:
y=6x+12
Step-by-step explanation:
Hope this helps!