Formula to find circumference is ;

Since the given circumference is 30 pi then,
30 pi = 2 pi radius.
30 = 2 radius
radius = 30/2
radius = 15
The radius is 15 for a circle tha has circumference of 30 pi
Answer:
8 boxes of donuts
Step-by-step explanation:
72$ /9$ = 8 boxes of donuts
Answer:
-8
Step-by-step explanation:
-3x+7x-8=34+9x-2
we move the x's to the left and the numbers to the right
4x-9x=32+8
-5x=40
x=-40/5
x=-8
Answer:
a and c
Step-by-step explanation:
Answer: -4x+5>-5=x>2.5
-25>-5(x+2.5)=x<2.5
Step-by-step explanation:
-4x+5>-5 -25>-5(x+2.5)
-5 -5 -25>-5x-12.5
-4x>-10 +12.5 +12.5
/-4 /-4 -12.5>-5x
x>2.5 /-5 /-5
2.5>x
x<2.5