Solve.If an object is thrown upward with an initial velocity of 48 ft/sec, its height after t sec is given by h = 48t - 16t2. Find the number of seconds before the object hits the ground.
A. 32 sec
B. 24 sec
C. 3 sec
D. 1.5 sec
Answer: C
Mathematics
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Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = -8y3i + 8x3j + 3z3k ; C: the portion of the paraboloid x2 + y2 = z cut by the cylinder 
A. -384? B. 384? C. - 192? D. 192?
Mathematics
Solve the problem.Suppose you borrow $3300 for a term of four years at simple interest and 12.5% APR. How much is the total (principal plus interest) you must pay back on the loan?
A. $1650.00 B. $495.00 C. $3465.00 D. $346.50 E. $4950.00
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Find the mean for the group of values.54, 40, 23, 18, 47, 22
A. 40 B. 32 C. 35 D. 34
Mathematics