Determine whether the vectors v and w are orthogonal.v = < 3, 18 >, w = < -6, 2 >
A. Not orthogonal
B. Orthogonal
Answer: A
Mathematics
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Write the fraction or mixed number as a percent. If necessary, round the percentage to the nearest tenth.
A. 5% B. 0.5% C. 500% D. 50%
Mathematics
Find the angle between v and w. Round to one decimal place, if necessary.v = i + j and w = i + j - k
A. 0° B. 66° C. 90° D. 35.3°
Mathematics
Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers.v2 = 2as for v
A. v = 
B. v = 2a
C. v = 
D. v = 
Mathematics
Evaluate without using a calculator.cos ?, if tan ? = - 
and sin ? > 0
A. - 
B. 
C. - 
D. 
Mathematics