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Formula
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Area of circle = πr²
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Find Radius
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200.96 = πr²
r² = 200.96 ÷ π
r² = 63.97
r = √63.97
r = 8 km (nearest hundredth)
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Formula
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Circumference = πD
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Find Diameter
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Diameter = Radius x 2
Diameter = 8 x 2
Diameter = 16 km
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Find Circumference
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Circumference = πD
Circumference = π (16)
Circumference = 25.13 km
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Answer: Circumference = 25.13km
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Answer:D
Because of Pemdas
<span>(f+g)(x) = f(x) +g(x)
= (7x^3 −2x−12) +(−3x^3 -8x^2 +10x</span>)
= x^3(7 -3) +x^2(-8) +x(-2+10) +(-12)
= 4x^3 -8x^2 +8x -12
Corresponds to selection C.
I believe this is the answer
Answer:
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Step-by-step explanation:
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