<span>the answer is x² + (y + 3)² = 4 C. i just did the problem</span>
Multiply everything by 4 so you get rid of the fraction
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Formula
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Circumference = πD
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Find Diameter
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10π = πD
D = 10 ← divide by π on both sides
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Find Radius
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Radius = Diameter ÷ 2
Radius = 10 ÷ 2
Radius = 5
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Answer: Radius = 5 units
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<span>4 hundredths equal 400 thousandths because hundredths to thousandths is increased by 100.</span>
(300 ft/2.92 sec)(1 mi/ 5280 ft)(3600 sec/1 hour) = {3001·3600 miles)/(2.92·5280·1 hour) = 91080000 miles/15417.6 hours = 70.05 mph