Use Gauss-Jordan elimination to solve the following linear system.

-4x + 4y + 5z = 9

-2x + 2y + z = 3

-4x + 5y = 4

A. (-5,-1,0)

B. (1,2,-4)

C. (-1,0,1)

D. (3,1,-4)

A video game sells at Arnolds for $14.99. Arnolds marks the game up at 40% of the selling price. The cost of the video game to Arnold is:

Phoebe spends equal amounts of time on homework of each subject. She spends 1 hour on her homework. If Phoebe spends 1/4 and hour on French, How many subjects does she have? 3 3 subjects 6 subjects 4 subjects 5 subjects

Solve 567 * 1000 a. 5,670,000 b. 567,000 c. 5670 d. 56,700

What is rational number and how do you convert 4/33 as decimal

Itney sells mattresses at a furniture store. She makes a 9.75% commission on each mattress she sells. Last week, Britney sold four mattresses. The sale price of each mattress is shown in the table.

in geometry, two lines are parallel if they are in the same plane and never intersect. Take the mathematical concept of parallel lines and apply it to non-mathematical situations or objects.

When deciding to model a situation with 3D figures, what are the most important things to remember?

Find g[h (x) ] and h[g (x) ] 2. g (x) = -3x h (x) = 4x - 1

1. In what country did the government debate the merit of teaching students quadratics? 2. What modern technology would not be possible without quadratics? (hint: I have one at my house.) 3. What great ideas did the Babylonians come up with? 4.

Which equation forms a pair of linear equations with 9x+12y=48 such that the system has no soulution?