Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 2x - y - 4z = -12-7x + 9y - 3z = 13-3x - 3y + z = -15
A. (2, 3, 4)
B. (-2, 4, 4)
C. (2, 4, 3)
D. No solution
Answer: C
Mathematics
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Determine whether any of the listed candidates has a majority.Four candidates running for congress receive votes as follows:Alberts: 44,935, Brown: 12,255, Cassimatis: 32,680, D'Amico: 28,595
A. Yes B. No
Mathematics
Solve the polynomial inequality. Express the solution using interval notation.x2 < 9
A. [-3, 3] B. (-3, 3) C. (-?, -3) ? (3, ?) D. (-?, -3] ? [3, ?)
Mathematics
Find the solution or solutions, if any exist, to the system.
A. x = 0, y = 1, z = -3 B. x = 0, y = -1, z = -3 C. infinitely many solutions of the form x = 4 + z, y = -18 - 2z, z = z D. inconsistent system, no solution
Mathematics
Use radical notation to write the expression. Do not simplify.m8/3
A. 
B. 
C. 
D. 
Mathematics