Answer:
10X + 20 +5X +25 = 180
15x=180-45
X= 135/15
X=9
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Answer:
(C) 30πcm
Step-by-step explanation:
In order to find circumference you use the formula C (circumference)=2(pi)(r) in which r is the radius. In this case, two and 15 are thirty so to find the circumference all you have is the equation 30 times pi centimeters is equal to the Circumference.
Evaluated is 4/5
decimal form is 0.8
Answer:
i think the answer is B, C and D
