Solve the problem.A cruise boat travels 48 miles downstream in 3 hours and returns to its starting point upstream in 6 hours. Find the speed of the stream.
A. 4 mph
B. 28 mph
C. 12 mph
D. 16 mph
Answer: A
Mathematics
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Find the limit.
ey2 sin-1
A. 1
B. 
C. 0
D. ?
Mathematics
Decide whether the figure is convex or not convex.
A. Not convex B. Convex
Mathematics
Let n(U) = 53, n(A) = 20, n(B) = 15, n(C) = 27, n(? ? B) = 10 , n(? ? C) = 7, n(B ? C) = 8, and n(? ? B ? C) = 6.(a) Draw a Venn diagram displaying the given data and the number of elements in each basic region.(b) Determine n(A ? B ? C').(c) Determine n((A ? B ? C)').
What will be an ideal response?
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.18x2y + 24xy2 + 8y3
A. 2y(3x + 2y)2 B. 2(3x + 2y)2 C. 2y(x + 2y)(x - 2y) D. 2y(3x - 2y)2
Mathematics