Answer:
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Step-by-step explanation:
Hey!! I got 90cm for the answer
N x 2 = 12 + 5n
2n - 5n = 12
-3n = 12
3n = -12
n = -4
Same would need to get at least a 95% on the next test, if he would like to receive a total average of an 80%
Answer:
r equals StartFraction C Over 2 pi EndFraction
Step-by-step explanation:
we know that
The circumference of a circle is equal to
where
r is the radius of the circle
Solve for r
That means -----> isolate the variable r
Divide by 2π both sides
Simplify right side
Rewrite
so
r equals StartFraction C Over 2 pi EndFraction