Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.2.6x- 0.7y+ 5.3z- 3.4w= 12.9  6.5y+ 0.7w= -1.8   4.0z- 2.2w= 1.54.9x+ 0.6w= 3.2

A. (2.2, 1.1, 7.2, 12.4)
B. (-2.2, 1.1, -6.4, 23.3)
C. (2.2, -1.1, -6.4, 7.6)
D. (2.2, 1.1, -6.4, -12.4)


Answer: D

Mathematics

You might also like to view...

Find the total area of the region between the curve and the x-axis.y = ; 1 ? x ? 3

A.
B.
C.
D. 3

Mathematics

Solve the equation.-3a + 3 + 4a = 7 - 23

A. -19 B. -33 C. 33 D. 19

Mathematics

Find the vertex of the parabola.y = 3x2 - 24x + 53

A. (5, 4) B. (-5, -4) C. (4, 5) D. (-4, -5)

Mathematics

Factor the perfect square trinomial completely.4m2 + 8m + 4

A. (2m - 6)2 B. 4(m + 1)2 C. (2m + 6)2 D. 4(m - 1)2

Mathematics