Solve the system of equations. x - y + 2z = 25x + z = 0 x + 5y + z = -10
A. {(0, -2, 2)}
B. ?
C. {(0, 0, -2)}
D. {(0, -2, 0)}
Answer: D
Mathematics
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Solve the differential equation subject to the initial conditions.x
+ y = cos x; x > 0; x = ? when y = 1
A. y = 
, x > 0
B. y = 
, x > 0
C. y = 
, x > 0
D. y = 
, x > 0
Mathematics
Factor completely. If the polynomial is prime, state so.72x3 - 48x5 - 27x
A. prime B. -3x(4x2 + 3)2 C. -3x(4x2 - 3)2 D. 3x(4x2 + 3)(4x2 - 3)
Mathematics
Identify the equation as representing either a circle, a parabola, an ellipse, or a hyperbola.-x + 9y + 6xy = 11
A. Circle B. Ellipse C. Hyperbola D. Parabola
Mathematics
Solve.x + y + z = 6x - z = -2 y + 3z = 11
A. (3, -2, 5) B. (1, 2, 3) C. (-1, 2, -3) D. (0, 4, 2)
Mathematics