Solve the system by using the inverse of the coefficient matrix. x + y + z = 4 x - y + 4z = -195x + y + z = 24
A. No solution
B. (-5, 4, 5)
C. (-5, 5, 4)
D. (5, 4, -5)
Answer: D
Mathematics
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A. 4 × 10-6 B. 4 × 10-8 C. 4 × 10-7 D. 4 × 10-9
Mathematics
Simplify by combining like terms.3x + 3y - 5x + 6y
A. 9x - 2y B. 3x - 5x + 3y + 6y C. 7xy D. -2x + 9y
Mathematics
Find the greatest common factor of the numbers.240; 5000; 11,250
A. 10 B. 50 C. 30 D. 20
Mathematics
Use a calculator to find the value. Give answers as real numbers and round to 4 decimal places, if necessary.sin (arctan 2)
A. -0.8172 B. 0 C. Undefined D. 0.8944
Mathematics