Solve the problem.The position of an object moving in a straight line is given by s = t2 - 8t, where s is the distance in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 19 feet?
A. 20.9 sec
B. 9.9 sec
C. 9.7 sec
D. 20.0 sec
Answer: B
Mathematics
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Solve graphically. Round solutions to the nearest tenth.x2 - 9x - 1 = 0
A. 0.1, -0.1 B. 0.1, -9.1 C. 9.1, -0.1 D. 9.1, -9.1
Mathematics
Divide as indicated.
A. m2 + 2m + 7 B. 7m2 - 2m + 7 C. 7m2 + 2m + 7 D. m2 + 3m + 4
Mathematics
Find the center and radius of the circle with the given equation. (x + 5)2 + (y - 10)2 = 144
A. Center (-5, 10), r = 144 B. Center (10, -5), r = 144 C. Center (-5, 10), r = 12 D. Center (10, -5), r = 12
Mathematics
Find the pair of numbers whose product and sum are given.Product: 126 Sum: 23
A. -9 and 14 B. 9 and 14 C. 9 and -14 D. -9 and -14
Mathematics