The lengths of two vectors a and b, and the angle ? between them, are given. Find the length of their cross product, |a x b|.


Mathematics

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Provide an appropriate response.If  converges conditionally, what can be said about ?

A. The series always converges. B. The series may converge or diverge. C. The series always diverges.

Mathematics

Solve the problem.How much should a retailer mark up his goods so that when he has a 50% off sale, the resulting prices will still reflect a 75% markup (on his cost)?

A. 250% (150% over cost) B. 125% (25% over cost) C. 350% (250% over cost) D. 500% (400% over cost) E. none of these

Mathematics

Solve the inequality. < 1

A. (-1, 2) B. (-1, ?) C. (-?, -1) or (2, ?) D. (-?, -1)

Mathematics

Graph the polynomial function. f(x) = x3 + 9x2 - x - 9

A.
B.
C.
D.

Mathematics