Solve.The number G of gears a machine can make varies directly as the time T it operates. If it can make 6334 gears in 8 hours, how many gears can it make in 9 hours?
A. 791.75 gears
B. 7125.75 gears
C. 0.0114 gears
D. 6351 gears
Answer: B
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Find the volume of the described solid.The base of a solid is the region between the curve y = 6cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are squares with diagonals running from the x-axis to the curve.
A. 9?
B. ?
C. 3?
D. ?
Solve the problem.Suppose that the x-intercepts of the graph of y = f(x) are 8 and 7. What are the x-intercepts ofÂ
A. 17 and 16 B. 8 and 16 C. -1 and -2 D. 72 and 63
Set up an integral for the length of the curve.x = y1/7, 0 ? y ? 2
A.
B.
C.
D.
Solve the problem.The Terrys paid a real estate bill for $404. Of this amount, $235 went to the park district. What percent went to the park district? Round to the nearest tenth.
A. 57.9% B. 16.9% C. 58.2% D. 41.8%