Solve the system of equations.x - y + z = 0x + y + z = -6x + y - z = -10
A. (-3,2, -5)
B. (-5, 2, -3)
C. (2, -5, -3)
D. (-5, -3, 2)
Answer: D
Mathematics
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Find Dxy.sinh (tan 9x)
A. 9 cosh(tan 9x) sec2 9x
B. 
C. - 9 cosh(tan 9x) sec2 9x
D. cosh(tan 9x) sec2 9x
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Identify the graph of the equation as a parabola, circle, ellipse, or hyperbola.(x - 5)2 = 25 - y2
A. Parabola B. Hyperbola C. Ellipse D. Circle
Mathematics
Convert the given product to a single radical. Assume that all variables represent positive numbers.
? 
A. 
B. 
C. x
D. x
Mathematics
Determine whether the statement is true or false.
= ln 
A. False B. True
Mathematics