Find the inverse, if it exists, of the given matrix.
A. 
B. 
C. 
D. 
Answer: C
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Solve.While traveling in a car, the centrifugal force a passenger experiences as the car drives in a circle varies jointly as the mass of the passenger and the square of the speed of the car. If the a passenger experiences a force of 64.8 newtons when the car is moving at a speed of 30 kilometers per hour and the passenger has a mass of 80 kilograms, find the force a passenger experiences when the car is moving at 30 kilometers per hour and the passenger has a mass of 50 kilograms.
A. 36 newtons B. 45 newtons C. 54 newtons D. 40.5 newtons
Solve the equation.log4 x = -3
A. 
B. 
C. {1}
D. {-12}
Solve the problem.A ship in the Atlantic Ocean measures its position to be 35°43' north latitude. Another ship is reported to be due north of the first ship at 46°49' north latitude. Approximately how far apart are the two ships? Round to the nearest mile. Assume that the radius of the Earth is 3960 miles.
A. 43,956 mi B. 43,976 mi C. 787 mi D. 767 mi
Use a graphing utility to find the limit, if it exists.
A. 49 B. 7 C. Does not exist D. 343