Solve for the unknown in the equation.
= 11
A. M = 22
B. M = 12
C. M = 13
D. M = 5
Answer: A
Mathematics
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Compute r''(t).r(t) = (cos 3t)i + (2 sin t)j
A. r''(t) = (-3 cos 3t)i + (2 sin t)j B. r''(t) = (-9 cos 3t)i + (-4 sin t)j C. r''(t) = (9 cos 3t)i + (-2 sin t)j D. r''(t) = (-9 cos 3t)i + (-2 sin t)j
Mathematics
Perform the indicated operations, and write the answer in scientific notation.
A. 3 × 10-1 B. 3 × 109 C. 3 × 101 D. 3 × 102
Mathematics
A canoeist rows downstream in 0.5 hours and back upstream in 4 hours. What is the rate of the current if the distance rowed is 4 miles in each direction? ?
A. 4.5 mph B. 3.5 mph C. 4 mph D. 2 mph E. 7 mph
Mathematics
Find the component form of the indicated vector.Let u = 
. Find 8u.
A. 
B. 
C. 
D. 
Mathematics