Seudónimo Seudónimo

14-11-2017
Mathematics

contestada

HELPPPPP MEEEEE PLEASEEEEE.

use substitution method to solve the system of equations. Choose the correct ordered pair. 2x - y=10 and 2x - 2y =4

Respuesta :

mokatoken mokatoken

14-11-2017

You can make the first equation equal to x: x=0.5y+5 and substitute it into the second equation: 2(0.5x+5)-2y=4 -> -y+10=4 so y=6.

Then plug y into either equation: 2x-(6)=10 -> x=8

The correct ordered pair is (8,6)

Answer Link

Otras preguntas

How do you factor this?

How do I solve this?? Pls give details

8th grade math plz help! Bottles of water sell for $1.50 each. Graph the relationship between the number of bottles of water sold and the total cost. Bottles So

What is the first step in the prewriting stage

Using four or more complete sentences, describe culture and discuss why it is often referred to as a way of life.

Need help plz. I get confused with who and whom.

What are effective ways to get ready for a test

Lee la lectura y busca el verbo en negrita en el mandato equivocado. Escribe el verbo en la forma correcta del mandato. Read the story and find the bolded verb

Convert 3 over 8 to a decimal and tell whether it terminates or repeats. A- 3.8, a number that terminates B- 3.8 with a repeating bar over 8., a number that

How do I solve this?