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

Are the ratios of 2 apples to 5 oranges and 6 apples to 14 oranges equivalent? Why or why not? Explain mathematically.

HELPPPP PLEASE OMGGG

Depending on your age and the state you live in, you may have to obtain a work permit before you can legally work. Please select the best answer from the choice

66% AND 2/3 Which is greater?

What are the names of these polygons mathswatch Please help me I tried octogon but apparently it’s not that

Write the word sentence as an equation. Then solve. The sum of a number y and −3 is −8. Equation:_______________ Solution: y=_______

what simile does elie wiesel use to describe moishe the beadle? given the information that moishe tries to share with the people of sighet later in the chapter,

how much heat energy is needed to raise the temperature of 50g of lead by 4.0°c

which phrase best reflects the author’s view of Greece?

John can write 30 lines in 5 min, find his typing rate in line/min. *