Solve the problem.A professional basketball player has a vertical leap of 37 inches. A formula relating an athlete's vertical leap V, in inches, to hang time T, in seconds, is V= 48T2. What is his hang time? Round to the nearest tenth.
A. 1 sec
B. 0.9 sec
C. 0.8 sec
D. 0.6 sec
Answer: B
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Find the amount accumulated after investing a principal P for t years at an interest rate r.P = $1097.65, t = 4 , r = 6% , compounded monthly (k = 12)
A. $1385.76 B. $1392.90 C. $1390.47 D. $1394.55
Solve the problem. Round to the nearest tenth, if necessary.A painter leans a ladder against one wall of a house. At what height does the ladder touch the wall?
A. 17.7 ft B. 26 ft C. 8.85 ft D. 156 ft
Solve the problem.A certain radioactive isotope has a half-life of approximately 1400 years. How many years to the nearest year would be required for a given amount of this isotope to decay to 65% of that amount?
A. 490 years B. 870 years C. 2120 years D. 805 years
Solve the equation.x(x - 4) = 77
A. {7, -11} B. {7, 11} C. {-7, 11} D. {-7, -11}