Sam1300
Sam1300
02-03-2015
Mathematics
contestada
X+3y=5
-2x-6y=-10
Solve using elimination
Respuesta :
apologiabiology
apologiabiology
02-03-2015
slimination
multiply first equaiton by 2
2x+6y=10
add to second equiaotn
2x-2x+6y-6y=10-10
0=0
this is true so therfor they are the same equaiton
so solve
x+3y=5
3y=-x+5
y=-1/3x+5/3
subsituter values for x and get valuse for y
if x=2 then y=1
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
Great Britain, France, and the U.S. wanted Germany reunified to (A) show all was forgiven (B) relieve food shortages (C) help stabilize Europe (D) give support
if you have a rectangle and the width of the rectangle is 254 what is the perimeter?
8. Which statement best describes the Richter scale? A. It's named after a scientist who studied tornadoes. B. It's a numerical rating system that measures
Analyze the origins and outcomes of the intense cultural conflicts of the 1920s. In your response, focus on TWO of the following: Immigration, Prohibition, Rel
Who is the most misunderstood person in history?
2x+y=20 6x-5y=12 substitution
write the composite function that represents (goF)(x)
Which functions have a positive rate of change and which have a negative rate of change? Column A Column B 1. 2x – 3y = 9 A. positive B. negative 2. y = −4x +
How many children did king John have
Does wind have atoms and molecules in it?
