Solve the system of equations.x - y + z = 10x + y + z = 6x + y - z = 0
A. ?
B. {(5, 3, -2)}
C. {(3, 5, -2)}
D. {(5, -2, 3)}
Answer: D
Mathematics
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Find the average value of 
over the given region.
over the rectangular solid in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 62
B. 
C. 50
D. 74
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Provide an appropriate response.Derive the series for 
for x > 1 by first writing 
= 
.
A. 
B. 
C. 
D. 
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Solve the equation.25k2 - 49 = 0
A. 7, 0
B. 
, - 
C. 
, 0
D. 
, - 
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Find the indicated term of the geometric sequence.a8 when a1 = 7,000,000 and r = 0.1.
A. 0.07 B. 7 C. 0.007 D. 0.7
Mathematics