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

Please help I'm really behind on work. I will give 98 points thanks. 1. −7≥13−5x x≥−4 x≥4 x≤4 x≤−4 2. 5+d>5−d d>0 d<−5 d>−10 d>6 3. 3(n+5)≥3n+8 n
Why did the Spanish government established the ecomienda in Spanish colonies
PLZ HELP DUE TODAY! WILL MARK BRAINLIEST!!
Is the relative humidity at a location likely to be higher in the early morning or at noon? Explain
The median of a data set is the measure of center______. A. That is the value midway between the maximum and minimum values in the original data set. B. That is
Choisis la phrase qui remplace correctement l’objet par un pronom. Phrases & answer choices above
A mother is 13/4 times as tall as her son. Her son is 3 feet tall how tall is the mother.
This is for Honors English 9th Grade.... PLEASE HELP! I WILL GIVE BRANLIEST Question: Throughout Act II, scene ii of The Tragedy of Romeo and Juliet, Romeo and
identify the relative abundance and descriptions of the gases IN THE ATMOSPHERE​
swimming pool has a length of 30 feet, a width of 15 feet, and a depth of 4 feet. How much water can the swimming pool hold?