Provide an appropriate response.An engine that has a 4% loss of power has an output of 480 hp. What is the input horsepower of the engine?

A. 120 hp
B. 460.80 hp
C. 500 hp
D. 499.2 hp


Answer: C

Mathematics

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Find the total area of the region between the curve and the x-axis.y = ; 1 ? x ? 4

A. 4
B.
C.
D. 2

Mathematics

Solve the problem.A rocket tracking station has two telescopes A and B placed 2.1 miles apart. The telescopes lock onto a rocket and transmit their angles of elevation to a computer after a rocket launch. What is the distance to the rocket from telescope B at the moment when both tracking stations are directly east of the rocket telescope A reports an angle of elevation of 20° and telescope B reports an angle of elevation of 52°? Round to the nearest hundredth of a mile.

A. 4.84 mi B. 0.91 mi C. 1.36 mi D. 3.12 mi

Mathematics

Solve the given differential equation (where the function is subject to the given conditions) by using Laplace transforms.y" + 4y' + 4y = e-2t, y = 1, y'  = 4

A. y = e2t
B. y = e-2t
C. y = e-2t
D. y = e-2t

Mathematics

Provide an appropriate response.If an 8-inch wide rectangle is to approach the golden ratio, what should its length be?

A. 5 in B. 12 in C. 10 in D. 13 in

Mathematics