Solve the problem.Suppose r = , v = , and w = .  Find (r + v ) ? w.

A.
B. -76
C.
D. 76


Answer: B

Mathematics

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Find the curvature of the space curve.r(t) = 4(1 + t)3/2i +4(1 - t)3/2j + 3tk 

A. ? = 
B. ? = 
C. ? = 
D. ? = 

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Solve. Round your answer to three decimal places if necessary.45 - 3x = 

A. 3
B. -3
C.
D. 128

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Solve the problem.License plates are made using 3 letters followed by 3 digits. How many plates can be made if repetition of letters and digits is allowed?

A. 308,915,776 B. 1,757,600 C. 17,576,000 D. 1,000,000

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Find the following root if it exists.

A. 11 B. 9 C. 40.5 D. 18

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