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

between what pair of numbers is the product of 289 and 7

1/10 of ____ is 10 times as much as 8

Write 648,713 in expanded form

What is an essential government role in market economies? to control prices and costs to prevent monopolies and collusion to provide luxury items to market good

Fermentation is another name for ______ ______. A. Aerobic respiration B. Anaerobic respiration C. Cellular respiration

The "melting pot" theory of American society assumes that immigrants A.are ethnocentric B.cook better than native-born Americans C.become steelworkers D.assimil

Which pronoun best completes the sentence? The Kirks are traveling in __________ RV this summer. A. they're B. their C. there D. its

you csn access various sites on the www by using hyperlinks or by

a way to write numbers by showing the value of each digit is called?

how do i do 6,007,200 expanded form