Indicate whether the statement is true or false.Some rational numbers are integers.

A. true
B. false


Answer: A

Mathematics

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Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 35 feet above ground (the major axis). What should the span of the bridge be (the length of its minor axis) if the height 32 feet from the center is to be 11 feet above ground?

A. 203.64 feet B. 67.42 feet C. 33.71 feet D. 54.31 feet

Mathematics

Graph using the slope and the y-intercept.y = 4x - 5

A.

B.

C.

D.

Mathematics

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

Mathematics

Evaluate the composition of functions.Let f(x) = x2 + 3 and g(x) = 4x + 7. Find (f ? g)(6).

A. 46 B. 163 C. 149 D. 964

Mathematics