17-12-2019
Mathematics

contestada

Solve the following system of equations using the substitution method. x=2y2x+5y=9

Respuesta :

Yang100 Yang100

18-12-2019

Answer:

x=2, y=1. (2, 1).

Step-by-step explanation:

x=2y

2x+5y=9

-------------

2(2y)+5y=9

4y+5y=9

9y=9

y=9/9

y=1

x=2(1)=2

Answer Link

Otras preguntas

BETO: ¿Qué te parecen las celebraciones, abuelo? ABUELO: No están mal. En mi país también había muchas festividades. BETO: ¿Ustedes _[blank 1]_ con desfiles y f

Which of the following is a characteristic of every magnet? A It is always in the shape of a horseshoe, with the two prongs being opposite poles. B It will have

In his "Truman Doctrine" the U.S. president believed the way to "contain" Soviet expansion would be by financially supporting the free nations of the world who

EASY QUESTION. WILL MARK BRAINLIEST. What role does differential reproduction play in natural selection? Some organisms have different reproductive success due

On what major issue was James K. Polk's 1844 presidential campaign centered? A. the freeing of the slaves B. the annexation of Texas C. the annexation of Califo

Solve the following system by substitution. y = - 3x + 115x + y = 21

Find the equivalent expression for 7-3(2x+5) -6x-8 4(2x+5) 7-6x+5 7-3(7x)

Look at this excerpt from a manual for Maybell Corp. The Workday Hours of Operation A. Maybell Corp. is open from 9 am through 5 pm. Employees are expected to w

Where would you find the following symbol on a diagram of a water molecule: δ+ ?

Show all work and answer all 4 parts. Projectile motion. 20 points. Thank you.