Solve.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the coordinate axes, the curve y = e-3x, and the line x = 8 about the y-axis.
A. 
?(1 - 23 e-24)
B. 
?(1 - 25 e-24)
C. - 
?(1 + 25 e-24)
D. 
?(1 - 24 e-24)
Answer: B
Mathematics
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Solve the system. x - y + 5z = 272x + z = 5 x + 4y + z = -3
A. {(0, -2, 5)} B. {(5, -2, 0)} C. ? D. {(5, 0, -2)}
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Round the whole number to the given place.In 2005, a company spent $593,749,557 on advertising. Round the advertising figure to the nearest hundred-thousand.
A. 593,700,000 B. 593,800,000 C. 600,000,000 D. 500,000,000
Mathematics
Divide.
A. x2 - 5x + 2 + 
B. x2 + 5x + 2
C. x2 + 5x + 2 + 
D. x2 - 5x + 2
Mathematics
Perform the row operations on the matrix and write the resulting matrix.Replace R2 by 
R1 + 
R2 
A. 
B. 
C. 
D. 
Mathematics