Solve the problem.Find the average height of the paraboloid  above the annular region  in the .

A. 118
B. 168
C. 86
D. 68


Answer: D

Mathematics

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Find ?f.f(x, y, z) = ln (x7 + y4 + z5)

A. F = i + j + k
B. F = i + j + k
C. F = i + j + k
D. F =  ln ( y4 + z5)i +  ln (x7 + z5)j +  ln ( x7 + y4)k

Mathematics

Translate the phrase to an algebraic expression. Use n for the variable unless otherwise stated.two decreased by some number

A. n - 2 B. 2 - n C. 2 ÷ n D. 2 + n

Mathematics

Solve the problem.A pilot wants to fly on a bearing of 66.8°. By flying due east, he finds that a 50 mph wind, blowing from the south, puts him on course. Find the airspeed of the plane.

A. 117 mph B. 175 mph C. 58 mph D. 127 mph

Mathematics

Solve the problem.On a map of the Fox River, 1 centimeter equals 2 kilometers. If a trail by the river is actually  long, what is the length of the river on the map?

A. 6.8 cm B. 4.8 cm C. -2.4 cm D. 7.6 cm

Mathematics