Find the unit tangent vector T(t).
r(t) = (2 sint, 4t, 2 cost)
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Mathematics
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Solve the problem.Jim drove 432 miles in 8 hours. If he can keep the same pace, how long will it take him to drive 810 miles?
A. 3456 hr B. 25 hr C. 30 hr D. 15 hr
Mathematics
Convert.62 meters = ___ kilometers
A. 6200 B. 62,000 C. 0.62 D. 0.062
Mathematics
The function f is a probability density function defined on the given interval. Find 
.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Round to the indicated place value.Round to the nearest ten: 19,917.16
A. 19,900 B. 19,920 C. 19,800
Mathematics