Solve the system of equations by finding the reduced row echelon form for the augmented matrix. x + y - 2z = 83x+ z = - 6
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Simplify each side of the equation, if possible. Then solve the equation.33 = x + 65
A. 7749 B. -7803 C. -7749 D. 7803
Mathematics
Solve the given equation by finding the unknown value.232 + 114 = ?
A. 454 B. 346 C. 526 D. 643
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Solve using artificial variables.Maximizez = 18x1 + 12x2subject to:2x1 + 3x2 = 24 2x1 + x2 ? 45 2x1 + 3x2 ? 20 x1 ? 0, x2 ? 0
A. Maximum is 156 for x1 = 6, x2 = 4 B. Maximum is 216 for x1 = 12, x2 = 0 C. Maximum is 216 for x1 = 0, x2 = 8 D. Maximum is 186 for x1 = 9, x2 = 2
Mathematics