Solve the problem.Which of the following always produces an optimal schedule to the general scheduling problem?

A. The decreasing-time algorithm.
B. The backflow algorithm.
C. The critical-path algorithm.
D. The brute-force algorithm.
E. none of these


Answer: D

Mathematics

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Solve the problem.The amount of a radioactive substance present, in grams, at time t in months is given by the formula  Find the number of grams present in 3 years. If necessary, round to three decimal places.

A. 3103.691 B. 2.202 C. 310.369 D. 0.220

Mathematics

Solve.If the voltage, V, in an electric circuit is held constant, the current, I, is inversely proportional to the resistance, R. If the current is 90 milliamperes when the resistance is 2 ohms, find the current when the resistance is 6 ohms.

A. 267 milliamperes B. 60 milliamperes C. 270 milliamperes D. 30 milliamperes

Mathematics

Solve the problem.The cost, C, of producing n clocks can be found using the formula  What is the cost when no clocks are produced?

A. 2304 B. 48 C. 16 D. 192

Mathematics

Solve the formula for the specified variable.P =  for r

A. = 
B. = 
C. = P - tA
D. = 

Mathematics