Solve the inequality. > 

A.  ? 
B.
C.
D. No solution


Answer: C

Mathematics

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Solve the given problem by using Laplace transforms.A constant force of 5 lb moves a 4-slug mass through a medium that resists the motion with a force equal to v, where v is the velocity. The differential equation relating the velocity of the mass to time is   Find v as a function of t if the object starts from rest.

A. v = 5e-t/4 
B. v = 5
C. v = 5
D. v = 5

Mathematics

Calculate the work done by the force F along the path C.F = xyi + 4j + 8xk; C: r(t) = cos 7ti + sin 7tj  + tk, 0 ? t ? 

A. W = 
B. W = 
C. W = 0
D. W = 

Mathematics

Suppose that y is inversely proportional to x. Use the given information to find the constant of proportionality k. Then use y =  to find y for the given value of x.y = 12.5 when x = 5;Find y given x = 25.

A. k = 70; y = 2.8 B. k = 2.5; y = 62.5 C. k = 55; y = 2.2 D. k = 62.5; y = 2.5

Mathematics

Evaluate the radical expressions or indicate that the root is not a real number.

A. 14,641
B. 11
C.
D. Not a real number

Mathematics