m0m02004roma
m0m02004roma m0m02004roma
  • 02-02-2020
  • Mathematics
contestada

x-2y=0 ,x²-y²=3
by step​

Respuesta :

kenlingdad kenlingdad
  • 02-02-2020

Answer:

x=2, y=1

x=-2, y = -1

Step-by-step explanation:

x - 2y = 0

x = 2y

x² - y² = 3

(2y)² - y² = 3

3y² = 3

y² = 1

y = 1 or y = - 1

x = 2 or x = -2

Answer Link

Otras preguntas

a hydrogen bond is completed by the transfers of its sole electron to another element true or false
Which statement correctly describes one characteristic of a sound wave? (1) A sound wave can travel through a vacuum. (2) A sound wave is a transverse wave. (3)
The Federalist Papers, written by Alexander Hamilton, John Jay, and James Madison, were intended to (1) promote independence from Great Britain (2) persuade vot
does vinegar melt ice the fastest
In the context of a small business, price is best defined as A. the cost to the owner of doing business. B. what an employer pays an employee. C. the amount o
The mass of a quarter is 5.67 grams. The mass of a dime is 0.4 times the mass of a quarter. What is the mass of a dime?
Which statement best reflects an effect of imperialism in Africa? (1) Land was distributed equally between social classes. (2) Territorial divisions were primar
What are some facts about webmasters?
Hydrogen bonding is a type of (1) strong covalent bond (2) weak ionic bond (3) strong intermolecular force (4) weak intermolecular force
An MP3 player draws a current of 0.120 ampere from a 3.00-volt battery. What is the total charge that passes through the player in 900. seconds? (1) 324 C (3) 5