Solve the system, using Cramer's rule, if possible. x - 2y + 3z = 114x + y - z = 42x - y + 3z = 10
A. ?
B. {(-2, -3, 3)}
C. {(2, -3, 1)}
D. {(2, 3, 5)}
Answer: C
Mathematics
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Evaluate the integral.
A. - 4860 B. 0 C. 1350 D. - 4050
Mathematics
At the given point, find the line that is normal to the curve at the given point.2x2y - ? cos y = 3?, normal at (1, ?)
A. y = 
x - 
+ ?
B. y = -2?x + 3?
C. y = 
x - 
+ ?
D. y = - 
x + 
+ ?
Mathematics
Solve the problem.If a given set has thirteen elements, how many of its subsets have somewhere from four through eight elements?
A. 4,719 subsets B. 1,419 subsets C. 5,434 subsets D. 6,721 subsets
Mathematics
Perform the indicated operation.44 ÷ (-4)
A. -11
B. - 
C. -21
D. 11
Mathematics