Find the reciprocal.

A.
B. 15
C.
D.


Answer: C

Mathematics

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Provide an appropriate response.If a body of mass m falling from rest under the action of gravity encounters an air resistance proportional to two times the square root of velocity, then the body's velocity t seconds into the fall satisfies the equation: m = mg - 2kv2where k is a constant that depends on the body's aerodynamic properties and the density of the air.Determine the equilibrium, velocity curve, and the terminal velocity for a 140 lb skydiver (mg = 140) with k = 0.005.

A. Equilibrium: v = 

vterminal = 118.32 ft/sec
B. Equilibrium: v = 


vterminal = 118.32 ft/sec
C. Equilibrium: v = 




vterminal = 118.32 ft/sec
D. Equilibrium: v = 

vterminal = 118.32 ft/sec

Mathematics

Solve the problem. Use 3.14 as the approximate value of ?. Round to the nearest tenth unless instructed otherwise.The volume of a ball is 85.33? in.3. Find the dimensions of a rectangular box that is just large enough to hold the ball.

A. 4? in. by 4? in. by 4? in. B. 8 in. by 8 in. by 8 in. C. 4 in. by 4 in. by 4 in. D. 8? in. by 8? in. by 8? in.

Mathematics

Solve.x(x - 1) = 72

A. 8, -9 B. -8, -9 C. 8, 9 D. -8, 9

Mathematics

Find the probability.A card is drawn from a well-shuffled deck of 52 cards. What is the probability of getting a red 9?

A.
B.
C.
D.

Mathematics