Solve.Find the moment of inertia with respect to its axis of the solid generated by revolving the region bounded by  and the x-axis about the y-axis. Give your answer in exact form.

A. 48?k ln2 - ?k
B. 24?k ln2
C. 12?k ln2 - ?k
D. 24?k ln2 - ?k


Answer: D

Mathematics

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Solve the problem.Two machines are turned on at 8:00 A.M. If one can produce 39 items each hour and the other can produce 41 items each hour, at what time will they produce a total of 480 items?

A. 2:00 P.M. B. 3:00 P.M. C. 3:30 P.M. D. 1:00 P.M.

Mathematics

Solve the problem.A retail store had monthly sales of $89,800 and spent 12% of it on freight costs. How much was spent on freight costs?

A. $748,333 B. $74,833  C. $10,776  D. $107,760 

Mathematics

Express the statement as an equation involving the indicated variables.The area A of a triangle is one-half the product of its base b and its height h.

A. A = (b + h)
B. A = bh
C. A = bh
D. A = 2bh

Mathematics

Translate to an algebraic expression.54% of the price

A.  
B. 0.54 + x
C. 0.54 - x
D. 0.54

Mathematics