12-12-2016
Mathematics

contestada

HELPFor the system below solve using linear combinations method 4x-7y=-2 and 12x-21y=-42

Respuesta :

12-12-2016

No solution

cz

12x-21y=-42 -----> /3 (divided by 3 )
4x-7y=14 ------ (2)
4x-7y=-2 ------- (1)

how 4x-7y =14 an = -2

and if we
(2)-(1)
0=12
#

Answer Link

Otras preguntas

Common multiples of 4 and 7

Which sentence contains a misplaced modifier? a. She called for help from people on the corner at the top of her voice. b. Suddenly, a strong gust of wind tore

what is the GFC of the numbers 12,18 and 26

Which of the following instruments is used to measure air pressure? A. Anemometer B. Thermometer C. Barometer D. Hygrometer

Identify one part of the Treaty of Versailles and explain its effect on Germany.

What is the energy of the hydrogen ion gradient created across the inner mitochondrial membrane used to make? a. O2 b. ATP c. glucose d. high energy electrons

sqrt(2−7x) -sqrt(x 3) =3

Mario's friend Omar invites him to a party with some people Mario does not know. Mario suspects that people will be using drugs at the party. Which is the best

8(3)-3y=12 What is y in this equation

One benefit of a sound community plan to deal with a hazardous materials emergency is: a. Fewer resources are required to handle the incident B. Roles and resp