smartunicorn smartunicorn

02-03-2017
Mathematics

contestada

2x + 3y = 9
-2x + 2y = 6
The y-coordinate of the solution to the system shown is _____.
A) 3
B) 5
C) 9
D) 15

Respuesta :

Аноним Аноним

02-03-2017

The answer is A. 3, because if you solve it by elimination, that would be the answer you get.

Answer Link

alihmatar alihmatar

02-03-2017

Add the 2 equations, you get:
2x-2x+3y+2y=9+6
5y=15
y=3
So the correct answer is A

Answer Link

Otras preguntas

What are the two largest ethnic groups in the united states today?

the student council president wants to find out the opinion of the students on the issue of school lunch options. The president sends out a survey to a random

Among other things, the romantics valued: a. individualism, the belief in the uniqueness of each person. b. socialism, a system in which society owns and contr

Natalie picked 135 berries in 15 minutes. If she continues picking at that rate, how long will it take her to pick 486 berries?

What is the molecular formula of a compound made of 25.9% N and 74.1% O? a. NO b. NO₂ c. N₂O d. N₂O₅ e. N₂O4₄ It would be great if you could add a few words

How do you know when to use L'hospital's rule?

How do you work this problem?

If -2(3y+5)=-4, find the value of 5y

16x^2-24x+7=0 equation and/or inequalities

a couple wants to install a square mirror that has an area of 500 square inches.to the nearest tenth of an inch,what length of wood trim is needed to go aroun