For which of the following values of x does f(x) = -16? -16 12 0 8
1 answer:
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The perimeter of a rectangle is the sum of its sides, which are two widths and two lengths:
Since the length is twice the width, we have , and the formula for the perimeter becomes
So, we have
Answer:
r = 7.7
Step-by-step explanation:
A = πr²
60π = πr²
r² = 60π/π
r² = 60
r = 7.746
Rounded to tenths:
7.7