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

Which of the following correctly describes the image below? HHO H-N-C-C-OH R (5 points)

how do you calculate the mean annual change

paragraph my first day at school body conclusion

A city of 80,000 people is having a parade. 70.8% of the city will not be attending. How many people will be attending?

Lola is extremely nervous about giving a presentation to her classmates. What could Lola do before her presentation that is MOST likely to help her manage her a

$4500 5.5% for 4 1/2 years

Three ways in which self-esteem improves performance in school subjects

Rain water which falls on a flat rectangular surface of length 6m and breadth 4m is transferred into a cylindrical vessel of internal radius 20 cm. What will be

Write an equation of the line that passes through given points. (0,-3),(3,3)

Suppose that the amount of time that a students spends studying in the library in one sitting normally distributed with mean 48 minutes and standard deviation 2