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

describe a multiplication problem in which the product is between 0.005 and 1
Select the correct answers. What is an internal conflict? Select the correct answers. What is an internal conflict? A. a mental conflict in which a person trie
which number is NOT correctly rounded from 82.927? ​
Problem #5 A book bag priced at $25.40 was discounted to $19.05. What percent is the discount? A 15% B 25% 33.3% D 63.5% Problem #5 *
How is a simile different from other types of figurative language? A. It uses phrases such as like or as to make a comparison explicit. B. It names something by
What is the answer to this?
Please help im not asking for much :(
Which best describes this inheritance pattern?
What is 4/5 as a decimal representation and as a percent representation
How do you think periods of war change the way people create and understand art? (Think about the violence, insecurity, and change that usually accompany war.)