Circumference of a circle:
C = 2 r π;
Length of an arc:
L = r π α / 180°
L = r π · 30° / 180° = r π /6
r π /6 : 2 r π = 1/6 : 2 = 1/12
= 1/2
p(x) = r(x) - c(x)
p(x) = 10x - (4x+15)
10x - 4x = 6x
The answer is C 6x - 15 because the negative is distributed into the positive 15 to make it a negative.
Answer:
7
Step-by-step explanation:
I did the math on a calculator
just do what it said and you'll get the answer
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