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 ( 46+ )
Otras preguntas
Write the name for: Mg3O2
which of the following are the correct properties of slope? check all that apply:
Jacob made 25% of his free throws over the season. If he shot 140 free throws, how many did he make? Divide/scale down to solve for the missing percent.
Solve the system of linear equations by elimination. −2x−5y=9 3x+11y=4
Please answer what type of graph they are too. a. Which relationship has a domain of all real numbers? b. Which relationship has a range of only positive number
When did affirmative action become an official government policy? Select the best answer from the choices provided. A. after Brown v. Board of Education in 195
1 Why did children not usually go to school in the frontier School had not been invented O Nobody on the frontier could read They need to help work Their religi
What percent of energy is transferred between the levels indicated by the blue arrows? 50 percent 90 percent 100 percent 10 percent
In what way is our modern money an improvement over money used during the Colonial period? Is there any way in which Colonial money was superior to our money to
Which two capital cities are located along the St. Lawrence Seaway and St. Lawrence River? (Choose 2) Toronto Edmonton Ottawa Quebec
