Find the unknown side of the right triangle. Use a calculator or square root table when necessary and round to the nearest thousandth.
16 cm
A. 178 cm
B. 356 cm
C. 13 cm
D. 18.868 cm
Answer: D
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Answer the question or complete the sentence to make a true statement.The sum of two positive numbers will always be a number.
A. Positive B. Negative
Use Bayes' rule to find the indicated probability.Two shipments of components were received by a factory and stored in two separate bins. Shipment I has 2% of its contents defective, while shipment II has 5% of its contents defective. If it is equally likely an employee will go to either bin and select a component randomly, what is the probability that a defective component came from shipment II?
A. 0.714 B. 0.222 C. 0.5 D. 0.2
Simplify. Leave answer in exponential form with positive exponents only. Assume that all variables represent nonzero quantities.
A. p-9
B. p-5
C. p9
D. 
Solve the equation for ? if 
. Do not use a calculator.
?
2cos ? + 1 = 0
?
A. 60°; 120° B. 45°; 315° C. 120°; 240° D. 60°; 300° E. 45°; 45°