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

What does the value of collateral or down payment affect? Check all that apply.
the greatest common factor of the terms in the following expression: 6ab + 24a. a 2a 3a 6a
What step did fdr take to make the nations financial sestem more stabel?
Question 10 Unsaved If heat energy is transferred from direct contact between a warm object and a cold object, it has been transferred by _____. Question 10 op
According to the cladogram, which organisms are the closest relatives to the spider?
Help urgent please ... bi will brainlist ... Could please check my answer
which major figure in the civil rights movement wrote "letter from Birmingham Jail"?
If one serving of punch is 250 ml will ten servings fit in a two liter bowl
what is the missing portion for x/8 =6/7. sorry to bug anyone thus math hw its alot i dont understand
True or false you cannot be charged with DUI for driving under the influence of legal prescription medication