Solve the equation using the quadratic formula.4x2 - 24x + 32 = 0
A. 4, 2, 4
B. -2, -4
C. 0, 2, 4
D. 2, 4
Answer: D
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A solution contains 0.25 liters of sulfuric acid. If this represents 10% of the total amount, find the total amount.
A. 5 liters B. 4.5 liters C. 3.5 liters D. 6 liters E. 2.5 liters
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the x-axis. Use the method of disks.y = 
, y = 0, x = 0, x = 1
A. 4?
B. 
C. ?
D. 2?
Solve the problem. If necessary, round to the nearest tenth.The force acting on a pendulum to bring it to its perpendicular resting point is called the restoring force. The restoring force F, in Newtons, acting on a string pendulum is given by the formula F = mg sin ?where m is the mass in kilograms of the pendulum's bob, g ? 9.8 meters per second per second is the acceleration due to gravity, and ? is angle at which the pendulum is displaced from the perpendicular. What is the value of the restoring force when m = 0.6 kilogram and ? = 30°?
A. 5.8 N B. 5.1 N C. 2.7 N D. 2.9 N
Solve the problem.Horace's mean average on five exams is 83.4. Find the sum of his scores.
A. 417 B. 445 C. 347 D. 432