Solve the problem.The strength S of a rectangular wooden beam is proportional to its width times the square of its depth. Find the dimensions of the strongest beam that can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 6.8 in.; d = 9.2 in.
B. w = 4.8 in.; d = 9.2 in.
C. w = 5.8 in.; d = 8.2 in.
D. w = 6.8 in.; d = 7.2 in.
Answer: C
Mathematics
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Determine whether the improper integral converges or diverges.
A. Converges B. Diverges
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Determine if the equation is an identity.
+ 
= sin 5x csc x sec x
A. Identity B. Not an identity
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Answer the question or solve the problem.True or False? If x > 4 then 7x > 28.
A. True B. False
Mathematics
Use a Venn Diagram and the given information to determine the number of elements in the indicated region.n(A) = 30, n(B) = 38, n(C) = 32, n(A ? B) = 6, n(A ? C) = 8, n(B ? C) = 2, 
and 
Find n(U)
A. 84 B. 145 C. 155 D. 114
Mathematics