Solve the problem.Refer to the following preference schedule.Find the winner by the method of pairwise comparisons.

A. C
B. B
C. A
D. D


Answer: D

Mathematics

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Solve the problem.A bird flies from its nest 5 km in the direction 22° north of east, where it stops to rest on a tree. It then flies 8 km in the direction 16° south of west and lands atop a telephone pole. With an xy-coordinate system where the origin is the bird's nest, the x-axis points east, and the y-axis points north, at what point is the tree located?

A. (0.9272, 0.3746) B. (4.636, 1.873) C. (1.873, 4.636) D. (-5.000, -0.04426)

Mathematics

Find the volume.Find the volume of the right circular cylinder. Use 3.14 for ? and round to the nearest hundredth, if necessary.

A. 298.3 m3  B. 372.875 m3  C. 1491.5 m3  D. 149.15 m3

Mathematics

The percent of a certain brand of computer chips that will fail after t years of use is estimated to be   ? . ? What percent of this brand of computer chips are expected to be usable after 6 years? ?

A. 71.3% B. 56.7% C. 69.9% D. 64.2%

Mathematics

Write an equation that expresses the relationship. Use k for the constant of proportionality.q varies directly as the square of r and inversely as s.

A. q = k + r2 - s2
B. q = 
C. q = 
D. q = kr2s

Mathematics