Write as a percent. Round to the nearest tenth of a percent.

A. 120%
B. 33.3% 
C. 27.8% 
D. 3.3% 


Answer: B

Mathematics

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Find the first few nonzero terms of the Maclaurin series for the given function.f(x) = sin x cos x

A. x + x3 - x5 + x7 + . . .
B. x - x3 + x5 - x7 + . . .
C. x - x3 + x5 - x7+ . . .
D. 1 + x - x2 - x3 + . . .

Mathematics

Solve the problem.A manufacturer uses raw materials to produce p products each day. Suppose that each delivery of a particular material is $d, whereas the storage of that material is x dollars per unit stored per day. (One unit is the amount required to produce one product). How much should be delivered every x days to minimize the average daily cost in the production cycle between deliveries?

What will be an ideal response?

Mathematics

Solve the given problem by using Laplace transforms.A pendulum moves with simple harmonic motion according to the differential equation  where ? is the angular displacement and D = d/dt. Find ? as a function of t given that  and ? = 0 when 

A. ? = -0.14 sin 4.2t B. ? = 0.14 sin 4.2t C. ? = 1.3 sin 8.5t D. ? = 0.14 cos 4.2t

Mathematics

Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x3 + 3x2 - 10x - 24

A. (x + 2)(x + 3)(x - 5) ; 2, -3, 5 B. (x - 2)(x + 3)(x - 4) ; -2, 3, -4 C. (x - 2)(x + 3)(x - 4) ; 2, -3, 4 D. (x + 2)(x - 3)(x + 4) ; -2, 3, -4

Mathematics