supergirl20
supergirl20
03-03-2017
Mathematics
contestada
someone tell how to get the answer plz
Respuesta :
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
VER TODAS LAS RESPUESTAS ( 18+ )
Otras preguntas
the earths crust is 1. heavier 2.softer 3.thicker 4.thinner
The driver decides to check her speedometer while driving along a motorway. She measures how long it takes her to travel 6 km. It takes her exactly 4 minutes.
Solve the equation for y. 4.2.1 – 1.4y = 2.1
Which expressions are equivalent to 5+(-3)(6x-5)? Choose all answers that apply: (Choice A) 18x-20 (Choice B) 3x-3 (Choice C) None of the above
b) Why might a contemporary poet choose to write in a traditional form? Give at least two reasons. (5 points)
Suppose you have 5 quarters and 5 pennies in your wallet. You select two coins from your wallet without looking. If the first coin is not replaced, what is the
I felt sure my idea for a new game was perfect. However, it went over like a lead balloon among my friends. Which is the meaning of went over like a lead balloo
When is lactic acid produced
The slope of this graph indicates _____. acceleration speed velocity displacement
Help ASAP What is the smallest part of the brain?