Solve the system of equations using matrices. Use Gauss-Jordan elimination. x = 0 - y - z x - y + 2z=114x + y =12 - z
A. {(-5, 1, 4)}
B. {(1, 4, -5)}
C. {(1, -5, 4)}
D. {(4, -5, 1)}
Answer: D
You might also like to view...
Rewrite the given integral so that it fits the form 
, and identify u, du, and n.
A. 
; u = 1 + cos x, du = sin x dx, n = 
B. -
; u = cos x, du = -sin x dx, n = 
C. -
; u = 1 + cos x, du = -sin x dx, n = 
D. 
; u = sin x, du = (1 + cos x)1/2 dx, n = 1
Solve.Megan went shopping for holiday presents for her family. She spent $281 on Monday, $315 on Tuesday, and $369 on Wednesday. What is the total amount of money that she spent on gifts?
A. $955 B. $1065 C. $965 D. $855
Solve the problem.A projectile is fired with an initial velocity of 500 feet per second at an angle of 45° with the horizontal. To the nearest 10 feet, find the horizontal distance covered by the projectile.
A. 7810 ft B. 8550 ft C. 8320 ft D. 7470 ft
Solve.Greg sold his used snow plow and accessories for $335. If he received four times as much money for the snow plow as he did for the accessories, find how much money he received for the snow plow.
A. $67 B. $1340 C. $268 D. $77