Florida11
Florida11
03-11-2016
Mathematics
contestada
5x-6y=-15 5x+6y=12 use elimination
Respuesta :
Аноним
Аноним
03-11-2016
5x-6y=-15
5x+6y=12
---------------add
10x = -3
x = -3/10
x = -0.3
5x+6y=12
5(-0.3) + 6y = 12
6y = 12 + 1.5
6y = 13.5
y = 13.5 / 6
y = 2.25
Answer Link
VER TODAS LAS RESPUESTAS ( 74+ )
Otras preguntas
which of the following fractions does not name the same point on the number line? a.3/4 b.6/8 c.5/6 d.9/12
What is the definition of judicial branch
Fossil sponges are among the oldest known animal fossils. true or false
How many sixties are in two hundred forty-four?
What is the slope and y-intercept of this equation? 2x+4y=14
Are these the right translations from english to french. 1. Je m'appelle Rose 2. Je suis seize annees 3. Mes sujets prefereres sont: chimie et anglais 4. Mon fa
any change or random error in a DNA sequence
What was the economy based on in the North?
An electromagnetic wave is composed of electrical and magnetic energy. true or false
what was the significance of the lend-lease act? A. it represents an American violation of existing diplomatic agreements? B. it strengthened American neutralit
