Solve the problem.A pulley of radius 11 cm rotates 13 times in 32 sec. Find the angular speed of the pulley.
A. 
radians/sec
B. 
radians/sec
C. 
radians/sec
D. 
radians/sec
Answer: C
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Solve the following system of equations by graphing. Round your answers to two decimal places.
What will be an ideal response?
Solve the problem.A rectangular sheet of perimeter 24 cm and dimensions x cm by y cm is to be rolled into a cylinder as shown in part (a) of the figure. What values of x and y give the largest volume?
A. x = 8 cm; y = 4 cm B. x = 9 cm; y = 3 cm C. x = 7 cm; y = 5 cm D. x = 10 cm; y = 2 cm
Solve the problem.If a rocket is propelled upward from ground level, its height in meters after t seconds is given by 
During what interval of time will the rocket be higher than 78.4 m?
A. 4 < t < 6 B. 2 < t < 4 C. 4 < t < 4 D. 0 < t < 2
Solve the problem.f varies jointly as q2 and h, and f = 36 when q = 3 and h = 2. Find q when f = 192 and h = 6.
A. q = 6 B. q = 4 C. q = 2 D. q = 3