Seudónimo Seudónimo

11-05-2017
Mathematics

contestada

Given the system of equations:
12x+4y=60
3x+y=15

Use the substitution method to solve the system of equations. Is there a unique solution, no solution, or infinitely many solutions? You must show your work for full credit.

Respuesta :

melbush melbush

11-05-2017

12x+4y=60
3x+y=15. Then y=15-3x
12x+4(15-3x)=60
12x+60-12x=60
0x=0
Then every x and every y is solution.

Ver imagen melbush

Answer Link

Otras preguntas

help asap Which of the following is a decomposer? whale dog vulture fungus

-4x - 10y = 2 -6x - 10y = -12

How was the star life cycle started

A rectangle has a area of 1/6 square centimeters and a length of 1.5 centimeters. What is the width? What is the perimeter?

Refer to Exercise 4. How many wooden signs can be painted with one gallon of paint? Between what two whole numbers does the answer lie?

Sum 1 please help!!!

Working together to accomplish a common goal is: O A. goal-setting. O O B. busy work. C. teamwork. O D. multitasking. SUBMIT

One reason carbon monoxide (CO) is toxic is that it binds to the blood protein hemoglobin more strongly than oxygen does. The bond between hemoglobin and CO abs

3.2 as a percentage and decimal

Backpack discounted 10% on sale for $37.80