ryruss22 ryruss22

02-05-2021
Mathematics

contestada

x - 2y = 0
2x + y = 5

Respuesta :

deniseambrogio deniseambrogio

02-05-2021

x - 2y = 0
x = 2y

2x+ y = 5
Replace x
2(2y) + y = 5
4y + y = 5
5 y = 5
y = 5/5 = 1

x - 2y = 0
x - 2(1) = 0
x - 2 = 0
x = 2

x=2 and y=1

Answer Link

Otras preguntas

2. A race car starts at 400 m/s and then stops in 20 seconds. Calculate acceleration. Acceleration=final velocity - initial velocity/ change in time A. -20 m/s2

please see attachmentthis makes no sense to me!(-7) + (2) = -5 in my world- oh woops - its (-7) - (2) = -9 which does makes sense

A study is done to determine the average tuition that San Jose State undergraduate students pay per semester. Each student in the following samples is asked how

Objections to school uniforms do not include the following reason: (A) school uniforms limit the ability of school-age children to express themselves (B) school

The nucleus of an atom contains the greatest concentration of mass of an atom. Which arrow is pointing at the nucleus of nitrogen?

Tastes and odors that are naturally found in fruits or are used in candies, flavorings, and perfumes are often the result of _____.

geographic region that is highly industrialized

Explain the history of the discovery of Saturn’s rings through the year 2006.

What does the main character in a short story often do? A.)blames another character for what goes wrong in the story B.)leaves town to avoid his or her con

After a 5% pay raise , Hermione is earning $21,000 per year. What was she earning before the pay raise?