Solve the problem.Find the area enclosed by the track shown above. Use 3.14 as an approximation for ? and round to the nearest tenth.
A. 847.2 yd2
B. 974.3 yd2
C. Not enough data
D. 776.5 yd2
Answer: B
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Find the coordinates of the centroid (to the nearest 0.01 in.) of the uniform flat-plate machine part shown.
A. (0.14 in., 1.57 in.) B. (0.07 in., 0.79 in.) C. (0.29 in., 3.14 in.) D. (2.43 in., 1.57 in.)
Solve.An auditorium has 30 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?
A. 1230 B. 735 C. 600 D. 1170
Find the flux of the vector field F across the surface S in the indicated direction.F = -5i + 7j + 1k , S is the rectangular surface z = 0, 0 ? x ? 6, and 0 ? y ? 6, direction k
A. -180 B. 0 C. 36 D. 252
Write the number in words.57,308,008
A. fifty-seven million, thirty-eight thousand, eighty B. fifty-seven million, three hundred eight thousand, eighty C. fifty-seven million, three hundred eight thousand, eight D. fifty-seven million, thirty-eight thousand, eight