Solve the problem.Find the centroid of the region in the first quadrant bounded by the curve y = 3 cos x and the axes.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Answer: B
Mathematics
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Solve the problem.Suppose that the accompanying table shows the velocity of a car every second for 8 seconds. Use the Trapezoidal Rule to approximate the distance traveled by the car in the 8 seconds. Round your answer to the nearest tenth if necessary.
A. 198 ft B. 177.5 ft C. 269.5 ft D. 355 ft
Mathematics
Simplify the fraction.
A. 
B. 
C. 
D. 
Mathematics
Solve.The sum of three consecutive odd integers is 51. Find the integers.
A. 12, 15, 24 B. 16, 17, 18 C. 10, 15, 25 D. 15, 17, 19
Mathematics
Find the LCM.8 and 20
A. 20 B. 160 C. 28 D. 40
Mathematics