Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 5x - 8y - z = -44  x - 4y + 5z = 6-4x + y + z = -12

A. (-7, 9, 14)
B. (7, 9, 7)
C. (7, 7, 9)
D. No solution


Answer: B

Mathematics

You might also like to view...

Answer the question.Find a rational number between 1.67 and 1.68.

A. 1.681 B. 1.673 C. 1.683133133313333... D. 1.673133133313333...

Mathematics

Solve the problem.Find the shaded area in the figure.  

A. 39.5 cm2 B. 78.9 cm2 C. 223 cm2 D. Not enough information.

Mathematics

Solve the problem.Given that the polar equation r =  models the orbits of the planets about the sun, estimate the closest approach of a planet for which  and  to the sun.

A. 67 astronomical units B. 22 astronomical units C. 7 astronomical units D. 13 astronomical units

Mathematics

Insert a decimal point in the product.92.51 × 6.4 = 592064

A. 5920.64 B. 59.2064 C. 592.064 D. 592,064.

Mathematics