Provide an appropriate response.Determine which ordered pair is a solution for the equation: y = 5 - 2x
A. (6, 7)
B. (5, 0)
C. (-2, 1)
D. (1, 3)
Answer: D
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Solve the problem. Round your answer to the nearest tenth.A wagon is pulled horizontally by exerting a force of 60 pounds on the handle at an angle of 25° to the horizontal. How much work is done in moving the wagon 50 feet?" .
A. 2718.9 ft-lb B. 1617.4 ft-lb C. 2110.8 ft-lb D. 1267.9 ft-lb
Identify the exercise as either a permutation (order matters) or combination (order does not matter) counting problem. Do not actually solve the exercise.A record club offers a choice of 7 records from a list of 45. In how many ways can a member make a selection?
A. Combination B. Permutation
An arithmetic sequence is given. Find the common difference and write out the first four terms.{7 - 5n}
A. d = 5; 2, 7 , 12 , 17 B. d = -5; 2, -3, -8, -13 C. d = -5; -5, -10, -15, -20 D. d = -5; 2, -1 , -6 , -11
Solve the problem.In simplified form, the period of vibration P for a pendulum varies directly as the square root of its length L. If P is 2.5 sec. when L is 25 in., what is the period when the length is 49 in.?
A. 98 sec B. 24.5 sec C. 14 sec D. 3.5 sec