Complete the sentence so the result is an identity. Let x be any real number.1 + = csc2x
A. cot2x
B. sin2x
C. sec2x
D. cos2x
Answer: A
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Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) =
A. 1 B. 0 C. 2 D. No limit
Provide an appropriate response.The median is a better indicator of the average than the mean.
A. True B. False
Solve the problem.A rectangular Persian carpet has a perimeter of 248 in. The length of the carpet is 30 inches more than the width. What are the dimensions of the carpet? (P = 2l + 2w)
A. 94 in., 124 in. B. 77 in., 107 in. C. 47 in., 77 in. D. 109 in., 139 in.
Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275 B. 0.22 C. 0.5667 D. 0.7083