Divide.-6.94 ÷ (-100)
A. 6,940
B. 69,400
C. 0.00694
D. 0.0694
Answer: D
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Solve the problem.If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Find V as a linear function of t, and use this function to evaluate V(4.4), the velocity of the object at time
A. V(4.4) = 148.8 feet per second B. V(4.4) = 150.1 feet per second C. V(4.4) = 150.8 feet per second D. V(4.4) = 152.1 feet per second
Solve.The velocity v of a falling object (ignoring air resistance) is directly proportional to the time t of the fall. If, after 4 seconds, the velocity is 128 feet per second, what will its velocity be after 9 seconds?
A. foot/second
B. 288 feet/second
C. 133 feet/second
D. 285 feet/second
Perform the indicated operation. Where possible, reduce the answer to its lowest terms. -
A.
B.
C.
D.
Solve the problem.The volume of a rectangular box with square base and a height of 5 feet is V(x) = 5x2, where x is the length of a side of the base. Find the instantaneous rate of change of volume with respect to x when x = 3 feet.
A. 15 ft3/ft B. 6 ft3/ft C. 30 ft3/ft D. 45 ft3/ft