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 do I do to figure out this problem:3x+8=26+x

example of onomatopoeia in the seven ages of man

How many moles of water (H2O) would be produced if 10 moles of O2 gas reacted completely with excess H2 gas?2 H2(g) + O2(g) → 2 H2O(g)A. 5 B. 10 C. 20 D. 30

name a metal that doesn't conduct electricity

example of onomatopoeia in the seven ages of man

A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation: 5H2O2 + 2KMnO4 + 3H2SO4 = 5O2 + 2MnS

How did Niccolo Machiavelli’s book The Prince set him apart from other writers of the Renaissance?

Jim has gotten scores of 99 and 93 on his first two tests. what score must he get on his third test to keep an average of 90 or greater

A sound wave of 70 cm travels 840 m in 2.5 sec. What is the velocity and frequency of sound?

which designer started as a fashion illustrator before focusing on industrial design?