Solve the system of equations.3x - 5y - 7z = 56x + 2y - 8z = 215x - 25y - 35z = -9
A. ?
B. {(5, 2, -9)}
C. {(5, 5, -1)}
D. {(x,y,z) | 3x - 5y - 7z = 5}
Answer: A
Mathematics
You might also like to view...
Show that the function is a solution of the wave equation.w(x, t) = e-7ct cos -7x
A. Yes B. No
Mathematics
Graph the system of inequalities. Find the coordinates of any vertices.3y - x ? 9,y + 2x ? 10,y ? 0
A. 
(3, 4)
B. 
(0, 10) , (3, 4) , (5, 0)
C. 
(-9, 0) , (3, 4) , (5, 0)
D. 
(-9, 0) , (5, 0)
Mathematics
Solve the equation.27x = 81(3x - 5)
A.
B.
C. -
D.
Mathematics
Solve the inequality. Write the solution set using interval notation and graph it.5z - 12 ? 4z - 16
A. (-?, 5)
B. [-4, ?)
C. (-?, -4]
D. (5, ?)
Mathematics