Find the least common denominator for the fractions in the list.
, 
A. (x - 4)(x + 1)
B. (x + 4)(x - 1)(x - 3)
C. (x - 4)(x + 1)(x - 3)
D. (x + 1)(x - 3)
Answer: C
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Find the center of mass of a thin plate of constant density covering the given region.The region bounded by the parabola y = 16 - x2 and the x-axis
A. 
= 
, 
= 0
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 0, 
= 
Solve the problem.A company manufactures three products. The graph shows the production from 1986 to 1996. What was the level of production when the production of B equaled the production of C?
A. 400,000 B. 700,000 C. 800,000 D. 500,000
A project consists of seven independent tasks with processing times (in hours) given by 4, 5, 6, 7, 8, 9, and 12.Find the project finishing time Fin for N = 2 processors using the critical-path algorithm.
A. Fin = 26 hours B. Fin = 21 hours C. Fin = 25 hours D. Fin = 27 hours E. Fin = 28 hours
Solve.The MetroCity shoe company is planning to produce a new running shoe. For the first year, the fixed costs for setting up production are $41,000. The variable costs for producing each running shoe are $30. The revenue for each running shoe is $80. Find the total profit P(x) from the production and sale of x running shoes.
A. P(x) = 30x - 41,000 B. P(x) = 50x - 41,000 C. P(x) = 41,000x + 30 D. P(x) = 80x - 41,000