y?? + 2y? + y = 6, y (0) = 3, y?(0) = 1
Solve the initial-value problem.
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Find the volume of the described solid.The base of a solid is the region between the curve y = 5cos 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. 6?
B. 
?
C. 
?
D. 
?
Solve the problem relating to the Fibonacci sequence.If a 13-inch wide rectangle is to approach the golden ratio, what should its length be?
A. 20 in B. 8 in C. 21 in D. 34 in
Solve the right triangle.a = 2.6 in., A = 49.8°, C = 90°Round values to one decimal place.
A. b = 4.0 in., B = 40.2°, c = 4.8 in. B. b = 4.0 in., B = 40.2°, c = 3.4 in. C. b = 2.2 in., B = 40.2°, c = 3.4 in. D. b = 1.1 in., B = 40.2°, c = 2.8 in.
Solve the problem.Write an iterated triple integral in the order 
for the volume of the region in the first octant enclosed by the cylinder 
and the plane 
.
A. 
B. 
C. 
D. 