Evaluate. 

A. 429
B. 51480
C. 6435
D. 3432


Answer: C

Mathematics

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Find the general equation of the orthogonal trajectories of the curves for the given equations.The curves y = c cos x

A. y2 = 2 ln  + c
B. y2 = 2 ln  + c
C. y2 = ln  + c
D. y2 = 2 ln  + c

Mathematics

Use the information below to determine the indicated set. U = {x | x ? N and x ? 15} A = {x | x ? N and 5 < x < 10} B = {x | x ? N and x is even and x < 14} C = {x | x ? N and 8 ? x ? 13}A ? (B ? C)

A. {6, 7, 8, 9, 10, 12} B. {6, 8, 9} C. {6, 8, 9, 10, 11, 12, 13} D. {5, 6, 7, 9, 10}

Mathematics

Simplify.(-2a2)5

A. (-2)10a2  B. (-2)10a10 C. (-2)5a10  D. -10a2 

Mathematics

Factor and simplify the algebraic expression.(x + 7)-1/5 + (x + 7)-6/5

A.
B. (x + 7)-1/5 + (x + 7)-6/5
C.
D. (x + 7)6/5(x + 8)

Mathematics