kiarakidd21 kiarakidd21

27-01-2018
Mathematics

contestada

4x-9y=1, -4x+6y=-2
solve the system of equations using the linear combination method.

Respuesta :

frenchiegirl frenchiegirl

28-01-2018

4 x - 9 y = 1
- 4 x + 6 y = - 2

- 3 y = - 1
y = 1

4 x - 9 y = 1
4 x - 9 ( 1) = 1
4 x - 9 = 1
4 x = 1 +9
4 x = 10
x = 10/4 = 2.5

S ( 2.5 ; 1)

Answer Link

Otras preguntas

Why can't methanol, CH3OH, be used as a solvent for sodium amide, NaNH2? Sodium amide is nonpolar and methanol is polar. Sodium amide is polar and methanol is n

Which statement is the best description of the sleep pattern for a normal adult? A. Sleep problems decrease in middle aged adults. B. Most of the sleep cycle i

A mom walks into her child's room and finds clothes all over the floor. 20% of the clothes are clean. She randomly picks up 5 articles of clothing.

solve the equation and express each solution in a+bi form 4i(-i+3)-3(6-2i) a.6-10i b.-14+18i c.14+6i d.22+6i

Question 3 Laura y Virginia son ____ (bajo) y _______ (delgado).

what was the name given to Ronald Reagan foreign policy?

What is tan 11pie/6 ?

List the steps you should follow for a fire on the range top or in an electric skillet?

Does your state have a sales tax?

Which expression is equivalent to log3(x + 4)? log3 - log(x + 4) log12 + logx log3 + log(x + 4) log 3/log(x+4)