georgy12345 georgy12345
  • 04-09-2017
  • Mathematics
contestada

Solve the system of equations. Write your answers in a list of ordered pairs, separated by commas.

{x2+y2=65
x2−3y=37

Respuesta :

boitumelocleopa boitumelocleopa
  • 04-09-2017
X2+y2=65............1
X2-3y=37..............2
÷both equation. 1 by 2
X+y=32,5
X=32,5-y......... 3
Sub 3 in 2
(32,5-y)2-3y=37
65-2y-3y=37
65-5y=37
-5y=37-65
-5y= - 28 divide both sides by - 5
Y=5,6........ 4

Sub 4 in 3
x=32,5-y
=32,5-5,6
=26,9

Hope it's the way you wanted it

Answer Link

Otras preguntas

Balance the following chemical equation. CCl4 → C + Cl
An input force of 35 newtons is applied to a machine with a mechanical advantage of 0.75. what is the size of the load this machine could lift (how large is the
After Napoleon's defeat in Europe, how did most European monarchies respond to ideas on liberalism?
how do i solve y=4y and x+y=5 while solving systems by subtitution
What happens to the conflict in a story during the rising action
air molecules move from areas of ____ pressure to areas of ______ pressure
What is the square root of zero??
Which of these is one of the main ways that a new species forms? a. Cross-breeding occurs within the species. b. A group is separated from the rest of the speci
what is a fusion reaction
A group of 140 tourist are going on a tour the tour guide rents 15 vans. each van holds 9 people. what is a division problem that could be used to find how many