zilove
zilove
02-11-2016
Mathematics
contestada
solve by substitution 3y-2x=10 and x=9-2y
Respuesta :
babygirl0328
babygirl0328
02-11-2016
3y-2(9-2y)=10
3y-18+4y=10
-y-18=10
-y=28
y=-28
3(-28)-2x=10
-84-2x=10
-2x=94
x=-47
so x is -47 and y is -28
Answer Link
VER TODAS LAS RESPUESTAS ( 33+ )
Otras preguntas
derive the equation of the parabola with a focus at (-5, -5) and a directrix of y = 7
Etta was at her favorite coffee shop reading her psychology textbook. She was so engrossed in the material that she did not see her friend Willy coming up behin
Imagine you are an ecologist, and you do a census of all of the animal species within a particular ecosystem. You discover that the total combined populations o
According to the following table, which of these factors affects your credit score the least? A. Amount owed B. Payment history C. New credit D. Length of credi
What is the length of the altitude of an equilateral triangle with side a?
1. The pollution level in the centre of a city at 6 am is 30 parts per million and itgrows by 25 parts per million every hour after. make an equation
¿Quién te llevó los entremeses? (mis amigas)
weights of cars passing over a bridge part 2
A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick. a red marble, do not replace it, and pick another yellow
Which of the following best describes the slope of the line below?
