dinodan dinodan

03-11-2016
Mathematics

contestada

Solve the system using elimination

x + 2y = 1
4x + y = 11

Respuesta :

03-11-2016

x + 2y = 1 ______×1
4x + y = 11 _____ ×2

x + 2y = 1
8x + 2y = 22

8x + 2y = 22
(-)
x + 2y = 1
_____________
7x = 21

x = 3

3 + 2y = 1
2y = 2
y = 1

i am a mathematics teacher. if anything to ask please pm me

Answer Link

Otras preguntas

Explain how World War II began, the different countries involved, how it progressed, how it ended and finally how it lead to the Cold War.

How would the sum of cubes formula be use to factor x^3y^3+343?Explain the process

How do the people who live in the country of the blind lose their sight?

Your teacher gives you a container with a clear liquid in it.The liquid is pure substance.What could you do to help identify the liquid in the container

for a final pls help w good answers 1) The ___ novel was invented by ___ writers a) historical; absurdist b) romance; modernist c) satirical; existentialist d)

Which of the following represents the zeros of f(x) = x3 − 12x2 + 47x − 60?

In the election of 1992, an incumbant president lost to a former rhodes scholar, largely because of economic issues. what was the outcome of that election.

only brilliant can solve

Factorise completely [tex]1) {x}^{2} - 12x - 13[/tex][tex] 2){32y}^{2} + 8y[/tex][tex]3) {x}^{2} - 9[/tex]

Pleas help 99 points and get brainliest Describe how the AutoSum feature works. What does it do? Give one example of when you might use AutoSum.