Find the slope of the line.x - 7 = 0
A. 7
B. Undefined
C. 0
D. 1
Answer: B
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Multiply and simplify.(1 - cos x)(1 + cos x)
A. cos2x - 1 B. sin2x C. sin x + 2 csc x D. 1 + 2 sin2x
Solve the problem.The cost of manufacturing a molded part is related to the quantity produced during a production run. When 100 parts are produced, the cost is $300. When 600 parts are produced, the cost is $3800. What is the average cost per part?
A. $0.14 per part B. $5.83 per part C. $7.00 per part D. $8.00 per part
Use Bayes' rule to find the indicated probability.Quality Motors has three plants. Plant 1 produces 35% of the car output, plant 2 produces 20% and plant 3 produces the remaining 45%. One percent of the output of plant 1 is defective, 1.8% of the output of plant 2 is defective and 2% of the output of plant 3 is defective. The annual total production of Quality Motors is 1,000,000 cars. A car chosen at random from the annual output and is found defection. What is the probability that it came from plant 2?
A. 0.35 B. 0.559 C. 0.224 D. 0.217
Evaluate.(5.9)2
A. 11.8 B. 2.95 C. 34.81 D. 3481