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
Mathematics
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
Mathematics
Find the following root if it exists.
A. 11 B. 9 C. 40.5 D. 18
Mathematics