supergirl20
supergirl20 supergirl20
  • 03-03-2017
  • Mathematics
contestada

someone tell how to get the answer plz

someone tell how to get the answer plz class=

Respuesta :

LivingDeadGirl9201
LivingDeadGirl9201 LivingDeadGirl9201
  • 03-03-2017
use elimination
4x+8y=20
(+)-4x+2y=-30
added together the x's are eliminated
10y=10
y=1

hope this helps!
Answer Link

Otras preguntas

Which of the following was a main source of food for Folsom Man? A. Giant Bear B. Woolly Mammoth C. Deer D. Whale
Find the volume of the solid in the first octant bounded by the parabolic cylinder z = 4 − x2 and the plane y = 2.
What is a 4 letter word for a female horse??
When a person is having a heart attack or a stroke, getting help immediately is critical. true false?
need help with number 4 as well
There ate 83 apples.each bag can hold 4 apples. how many full bags are there? how many are leftover?
A temperature inversion occurs A) when warmer air traps cooler air near the ground B) when cooler air traps warmer air near the ground C) whenever smog is prese
Which organs allow nutrients to be absorbed?
Can you make money out of rocks or stone?
What type of literary device is demonstrated in this passage from "The Monkey's Paw"? Father and son were at chess, the former, who possessed ideas about the ga