Evaluate the double integral over the given region.
R: 0 ? x ? 1, 0 ? y ? 2
A.
B.
C.
D. -
Answer: D
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Solve the given differential equation. (The form of yp is given.)D2y - 25y = e-5x (Let yp = Axe-5x.)
A. y = c1e-5x + c2e5x - xe5x
B. y = c1e-5x + c2e5x + xe-5x
C. y = c1e-5x + c2e5x - xe-5x
D. y = c1e-5x + c2e5x - xe-5x
Solve.The pitch of a screw is the distance between threads. With each complete rotation of the screw, it goes in or out a distance equal to its pitch. How far will a screw with a pitch of in. go into a piece of wood when it is turned 10 complete rotations clockwise?
A. in.
B. in.
C. in.
D. in.
Solve the equation.-3[-4x - 2 + 6(x + 1)] = 4x - 2
A.
B.
C.
D.
Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.b = 6, c = 11, A = 112°
A. a = 14.4, B = 23°, C = 45° B. a = 20.2, B = 21°, C = 47° C. a = 17.3, B = 25°, C = 43° D. no triangle