Find the area of the region specified in polar coordinates.The region enclosed by the curve r = 3 sin 2?
A. 
?
B. 
?
C. 
?
D. 
?
Answer: A
Mathematics
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Determine whether the given function satisfies a Laplace equation.f(x, y) = e10ysin 10x
A. Yes B. No
Mathematics
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 15 B. 14 C. 12 D. 11
Mathematics
A company installs 5,000 light bulbs. The lifetimes of the lightbulbs are approximately normally distributed with a mean of 500 hours and a standard deviation of 100 hours. Find the approximate number of bulbs that can be expected to last the indicated amount of time.Less than 500 hours
A. 3,000 B. 2,500 C. 1,000 D. 2,400
Mathematics
Graph the line.y = -4x - 6
A. 
B. 
C. 
D. 
Mathematics