Find the coordinates of the centroid of the curve.Find the coordinates of the centroid of the curve x = 5 cos t + 5t sin t, y = 5 sin t - 5t cos t, 
A. (
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B. (
, 
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C. (
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D. (
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) = 
Answer: D
Mathematics
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Write the sentence as a proportion.4 tbsp of cocoa mix is to 3.5 cups of cocoa as 28 tbsp of cocoa mix is to 24.5 cups of cocoa.
A. 
= 
B. 
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C. 
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D. 
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Mathematics
Evaluate the integral.
dx
A. 36 B. 81 C. 9 D. 54
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Add or subtract measurement numbers, rounding to the correct precision.17 mph + 38.6 mph + 65 mph
A. 120 mph B. 120.5 mph C. 120.6 mph D. 120.7 mph
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Convert.5.1 km = ____ m
A. 0.0051 B. 0.051 C. 510 D. 5100
Mathematics