Calculate the flux of the field F across the closed plane curve C.F = y2i + x3j; the curve C is the closed counterclockwise path formed from the semicircle 
0 ? t ? ?, and the straight line segment from (-5, 0) to (5, 0)
A. - 
B. 0
C. 
D. 125
Answer: B
Mathematics
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Estimate error made by using the partial sum S4 as an approximation to the sum S of the entire series.
A. 5.95 x 10-5
B. 4.16 x 10-4
C. 
D. 8.50 x 10-6
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Simplify the expression.644/3
A. 16,384 B. 4096 C. 1024 D. 256
Mathematics
Decide whether or not the ordered pair is a solution of the system.(3, -2)4x = -14 - y3x = -17 - 4y
A. No B. Yes
Mathematics
Convert. When necessary, round the answer to two decimal places.480 seconds = minutes
A. 8 B. 4 C. 20 D. 15
Mathematics