Solve the problem.Two pulleys of diameter 6 m and 3 m are connected by a belt. The larger pulley rotates 30 times per min. Find the angular velocity of the smaller pulley.
A. 90? radians/min
B. 120? radians/min
C. 60? radians/min
D. 180? radians/min
Answer: B
Mathematics
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Factor the polynomial completely using the trial and error method.-3x2 + 11x - 10
A. prime B. -(3x - 2)(x - 5) C. -(3x + 5)(x + 2) D. -(3x - 5)(x - 2)
Mathematics
Suppose that the marginal revenue for a certain product is given by 
, where x is in thousand of units and revenue is in thousands of dollars. Find 
. Round your calculations to two decimal places, if necessary.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Add. Do not use a number line except as a check.8.4 + (-3.6)
A. -12 B. 4.8 C. 8.4 D. 12
Mathematics
Use a calculator to find an approximation to the nearest ten-thousandth.
A. 3.8451 B. 3.8325 C. 1.9194 D. 1.8388
Mathematics