02-02-2018
Mathematics

contestada

The sum of the equations -8x - 2y = 54 and 4x + 10y = 10 is an equation in one variable.

Respuesta :

wolf1728 wolf1728

02-02-2018

Multiplying first equation by .5:
A) -4x -y = 27 then adding equation B)
B) 4x + 10y = 10
9y = 37
y = 4.1111111111

x =
-4x - 4.1111111111 = 27
-4x = 31.1111111111
x = -7.7777777778

Answer Link

Otras preguntas

John F. Kennedy was the ______ President of the United States.

in the balanced reaction nh3 + h2o - nh3oh how many hydrogen atoms are gained in the reaction A) 3 B) 2 C) 5 D) 0

Calculate the monthly finance charge if the average daily balance is $20, the daily periodic rate is 0.05%, and the number of days in the cycle is 30.

The main purpose of a text written to ______ is to provide readers with knowledge.

Real gas expansion in a vacuum is exothermic or endothermic? first correct answer will be marked as brainliest!!! plz respond ASAP!!!

Which was the last of England’s 13 colonies? A. Georgia B. Virginia C. North Carolina D. South Carolina

Which character from the crucible best represents the common archetype or the well respected?

Cuando fue la pirmera ves que salio la musica de reggeaton??

Yom Kippur is a very important Jewish holiday. True False

Find the value of Q in the following system so that the solution to the system is {(x,y) : x – 3y = 4} x - 3y=4 2x + Qy=8