Solve the system of equations by elimination.
A. x = 3, y = 5.5; (3, 5.5)
B. x = 5.5, y = 8.5; (5.5, 8.5)
C. x = 5.5, y = -8.5; (5.5, -8.5)
D. x = 3, y = -8.5; (3, -8.5)
Answer: C
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 7e-x2, y = 0, x = 0, x = 1
A. 7(e - 1) ?
B. 14
?
C. 7
?
D. 14
?
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Find the number of terms in the sequence or the sum of the sequence as requested.Find the sum of the following arithmetic sequence.11 + 13 + . . . + 601
A. 90,601 B. 90,576 C. 89,975 D. 76,176
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Simplify.
+ 
- 
A. 
B. 
C. 
D. 
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Find the domain of the rational expression.
A. {x|x is a real number and x ? -1 and x ? 7} B. {x|x is a real number and x ? -1} C. {x|x is a real number and x ? 7} D. {x|x is a real number}
Mathematics