Provide an appropriate response.L - 2C + 1.57(d + d) + 
will determine the length, L, of a cross belt that goes around two pulleys, where C is the distance between the centers of the pulleys, D is the diameter of one pulley, and d the diameter of the second pulley. Find the diameter of one of the pulleys if the distance between the centers of the pulleys is 20 in., the diameter of one pulley is 10 in., and the length is 68.3 in. Round to the nearest tenth of an inch.
A. 6.9 inches
B. 6.0 inches
C. 8.2 inches
D. 8.0 inches
Answer: D
Mathematics
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Solve using the multiplication principle.
= 20
A. -140 B. -160 C. -152 D. -28
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The function y = 1.6sin(t - 1.8) models the displacement of an object moving in simple harmonic motion, where y is measured in inches and t in seconds. Find the frequency of motion.
What will be an ideal response?
Mathematics
Can the following be the lengths of the sides of a right triangle?4
, 5
, 6
A. Yes B. No
Mathematics
Use integration by parts to establish a reduction formula for the integral.
A. 
= - 
sinn-1 x cos x + 
B. 
= - 
sinn-1 x cos x - 
C. 
= sinn-1 x cos x - (n - 1) 
D. 
= sinn-1 x cos x + (n - 1) 
Mathematics