Solve the system by elimination.5 x - y = 242x + y = 11
A. No solution
B. (5, 1)
C. (1, 5)
D. (5, 2)
Answer: B
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Solve the problem.Find the centroid of the first-octant portion of a solid ball of radius 2 centered at the origin.
A. (
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B. (
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C. (
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D. (
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Calculate the flux of the field F across the closed plane curve C.F = y3i + x3j; the curve C is the closed counterclockwise path formed from the semicircle 
0 ? t ? ?, and the straight line segment from (-2, 0) to (2, 0)
A. - 4 B. 0 C. 4 D. 8
Solve the problem.Consider the graph below, which gives the velocity of an object moving along a line. Assume time is measured in hours and distance is measured in miles. The areas of the three regions bounded by the velocity curve and the t-axis are also given. 
(a) What is the displacement of the object over the interval [0, 6]?(b) What is the total distance traveled by the object over the interval [2, 6]?
A. (a) 41 miles (b) 34 miles B. (a) 27 miles (b) 21 miles C. (a) 13 miles (b) 6 miles D. (a) 13 miles (b) 34 miles
Write the Indo-Arabic equivalent for the following.XLII
A. 44 B. 42 C. 64 D. 62