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 ( 89+ )
Otras preguntas
need help with this one
help me with this algebra.(i put a Picture with it)
Mrs. Bass asks the class to evaluate the expression (23). Your classmate gives an incorrect answer of 4. What was the likely error? A Your classmate divided the
WILL GIVE BRAINIEST Consider the function what is the function Zoom in to see better
I definitely need help with this difficult math problem. -7x+y^3+7x^3+6x-3y^3-2x^3+3x
What is the relationship Between Voltage and Cerrent source with a theorem
Trevor paints 1/6 of the fence surrounding his farm each day. How many days will it take him to paint 3/4 of the fence ?
round 1.148 to 1 decimal place
2. Why do Historians have a hard time understanding what Pre-Columbian America was like?
Earthquakes are caused by movement of the Earth's crust. What causes the Earth's crust to move? A. Unbalanced forces B. Inertia C. Friction D. Balanced Forces
