Solve the problem.Ignoring friction, the time , t (in seconds), required for a block to slide down an inclined plane is given by the formula 
where b is the length of the base in feet and 
per second is the acceleration of gravity. How long does it take a block to slide down an inclined plane with a base of 12 feet at an angle of 
Round your answer to three decimal places.
A. 0.361 sec
B. 0.885 sec
C. 7.104 sec
D. 1.252 sec
Answer: D
Mathematics
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Solve the problem.The length of a rectangular storage room is 6 feet longer than its width. If the area of the room is 72 square feet, find its dimensions.
A. 6 feet by 12 feet B. 5 feet by 11 feet C. 5 feet by 13 feet D. 7 feet by 13 feet
Mathematics
Find the nth, or general, term.49, 7, 1, . . .
A. 7n-1 B. 7(n - 1) C. 73-n D. 7n
Mathematics
Simplify the algebraic expression by collecting and combining like terms.4(5x - 3) - 3(x - 2)
A. 17x - 18 B. 17x - 5 C. 8x - 6 D. 17x - 6
Mathematics
Simplify the expression by combining like terms.9p2 + 9p3 - 7p2 - 2p3
A. 9p2p3 B. 18p2 - 9p3 C. 2p2 + 7p3 D. 9p2
Mathematics