Nardflacoflaco
Nardflacoflaco Nardflacoflaco
  • 15-06-2017
  • Mathematics
contestada

What is the solution to the system of equations?
2x+4y=12
Y=1/2x-3

Respuesta :

hanima
hanima hanima
  • 15-06-2017
2x+4y=12 ------>1
y=1/2x-3. ------->2

2 into 1

2x+4(1/2x-3)=12
2x+2x-12=12
4x-12-12=0
4x-24=0
4x=24
x=24/4
x=6 ------> 3

3 into 2

y=1/2x-3
y=1/2(6)-3
y/=0


sorry if Im wrong or my is incorrect



Answer Link

Otras preguntas

The nickels and dimes all fell on the floor. There were 12 more nickels than dimes, and the total value of the coins was $5.10. How many nickels and how many di
What direction does a equatorial current flow?  does it change directions?
an organism like a green plant that can make its own food is called what?
your paycheck each week is $500 if you want to save $2000 in one year how much should you set aside from your check
Find the area of a segment formed by a chord 8" long in a circle with radius of 8"
Andre says that 5 3/4 + 2 1/2 =7 1/2 because 7 4/8 = 8 1/2. Identify his mistake. Draw a picture to prove that he is wrong.
The nickels and dimes all fell on the floor. There were 12 more nickels than dimes, and the total value of the coins was $5.10. How many nickels and how many di
8x-2(x+1)=2(3x-1) A.0 B.2 C.no solution <-- that's what I think it is. D.identity. Can someone check my answer
Use differentials to find an approximate value for [tex] \sqrt[3]{65} [/tex]
How do fungi make people sick?