sumaiyafaisalt
sumaiyafaisalt sumaiyafaisalt
  • 03-06-2021
  • Mathematics
contestada

Find xy if x + y=3, x^2 + y^2 = 5

Respuesta :

sk5634943
sk5634943 sk5634943
  • 03-06-2021

Answer:

mark me

Step-by-step explanation:

x+y=3

x=3-y

putting the value of x

in this

x²+y²=5

(3-y) ²+y²=5

9-6y+y²+y²=5

2y²-6y+9-5=0

2y²-6y+4=0

2y²-4y-2y+4=0

2y(y-2)-2(y-2)=0

(2y-2) (y-2) =0

2y-2=0 or y-2=0

y=1 or y=2

so x=2 or 1

so x×y=2×1 or 1×2=2

I HOPE THIS WILL HELP YOU MARK ME BRAINLIEST

Answer Link

Otras preguntas

I'm confused how do I simplify that??
PLEASE HELP FOR BRAINLEIST ANSWER
A P1 cross between a yellow seeded female (YY) and a green seeded male (yy) result in offspring that are _____. A- genotypically identical but phenotypically d
ben can type 153 words in 3 minutes. at this rate, how many words can he type in 10 minutes
While perparing for a party,luis spent 25 minutes blowing up 10 balloons write an express how many minutes it took him to blow up one balloon
Carpe Diem is an example of
To which real number sets does the number −1.7 belong? Choose all answers that are correct. A. natural numbers B. whole numbers C. integers
Can someone please help me I don't know what to do.
Can someone help me ? what is 1 2/5 - 2/3? Can someone show me how?
According to the Communist Manifesto, what would finally happen to the Bourgeoisie?