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

Which of the following was one of Adams' initiatives while president? A) destroying the Bank of the United States B) protecting the land of Native America
Determine the sign of cos pi divided by seven
Selecto two ratios that are equivalent to 3:12
mmilinuSubtract - 3x2 + 4x + 10 from 2x2 – 2x​
I need some help please!!
Read this paragraph. Shadows stretched across the grass as evening approached, and the activity at the park waned. All that remained was a pair of fishermen, ha
how can i solve this and this and this and this?
in the wave-mechanical model, an orbital is a region of space in an atom where there is
a right triangle has a hypotenuse that is 40m long and one leg that is 32m long . Find the perimeter of the triangle.​
PLEASE I REALLY NEED HELP DUE ASAP I REALLY NEED HELP THERE ARE 4 QUESTIONS!!!Which part of this sentence is a phrase that modifies the subject of the sentence?