Solve the problem.Two pulleys of diameter 9 m and 3 m are connected by a belt. The larger pulley rotates 44 times per min. Find the angular velocity of the smaller pulley.
A. 132? radians/min
B. 396? radians/min
C. 198? radians/min
D. 264? radians/min
Answer: D
Mathematics
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A. 212
B. 
C. 
D. 
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Identify the abuse of statistics."38% of adults in the United States regularly visit a doctor". This conclusion was reached by a college student after she had questioned 520 randomly selected members of her college. What is wrong with her survey?
What will be an ideal response?
Mathematics
Find the exact value of the following expression without using a calculator.cos 60°
A. 
B. 
C. 
D. 
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, ? < ? < 
Find cos 
.
A. - 
B. 
C. - 
D. 
Mathematics