Solve the problem.The velocity of a body of mass m falling from rest under the action of gravity is given by the equation 
where k is a constant that depends on the body's aerodynamic properties and the density of the air, g is the gravitational constant, and t is the number of seconds into the fall. Find the limiting velocity, 
v, of a 150 lb. skydiver (mg = 150) when k = 0.006.
A. 0.01 ft/sec
B. There is no limiting speed.
C. 158.11 ft/sec
D. 50.00 ft/sec
Answer: C
Mathematics
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Solve the problem.If n(A) = 52, n(B) = 55, and n(A ? B) = 17, find n(A ? B).
A. 73 B. 107 C. 90 D. 124
Mathematics
Solve the inequality.
? 0
A. (-?, -9] or [9, ?) B. [-9, 0) or [9, ?) C. (-?, -9] or (0, 9] D. [-9, 0) or (0, 9]
Mathematics
Find the inverse of the matrix 
(if it exists).
a. 
b. 
c. 
d. Does not exist
Mathematics
Solve the problem.The area of a square is numerically 3 less than the perimeter. Find the length of the side, if the side is greater than 1.
A. 5 units B. 12 units C. 3 units D. 6 units
Mathematics