kdav9988 kdav9988

12-07-2016
Mathematics

contestada

Solve 7x + 5y = 14 using matrices.
4x + 3y = 9

Respuesta :

trankieuoanh164 trankieuoanh164

12-07-2016

28x+20y =14*4 = 56
28x + 21y = 9*7 =56
=> y=0, x = 2

Answer Link

Otras preguntas

If you substituted the carbonyl in the peptide bond with a c-f bond, what would happen to the arrangement of an antiparallel beta sheets?

Roberto creates an animation titled “Flying through an Atom.” The animation makes it seem as if the viewer passes all the way through an atom, starting from one

Find the mean, median, and mode for each set of values. 8,9,11,12,13,15,16,18,18,18,27

Simplify each complex fraction. 1 - 1 / 3 / 1/2

Which of the following is not a step that can help you establish and maintain a good credit history? a. Open a bank account. b. Purchase a cell phone contract

A 11.3 v battery is connected to a 6.2 pf parallel-plate capacitor. what is the magnitude of the charge on each plate?

Explain what you think the following quote means: "The pursuit of perfection often impedes improvement" George Will

Solve each equation. Check your answers. ln 4 r²=3

If the atomic radius of aluminum (fcc structure) is 0.143 nm, calculate the volume of its unit cell in cubic meters.

Solve for L. 8LW=V Hhhh