12Angel5 12Angel5
  • 14-05-2016
  • Mathematics
contestada

find both answers
x+y=10

y=x-4

SHOW WORK PLEASE THIS IS FOR SOME BIG POINTS.....

Respuesta :

les14 les14
  • 14-05-2016
let x+y=10 be equation (1)
and y=x-4 be equation (2)
from (2)
y=x-4...(3)
sub (3) into (1)
x+(x-4)=10
x+x-4=10
2x=12
x=6
sub (x) into (3)
y=6-4
y=2
Answer Link

Otras preguntas

Is 95.045 greater than 95.545?
Ava is 23 cm taller than Olivia, and Olive is half the height of Lucas. If Lucas is1.78 m tall, how tall are Ava and Olive? Express their heights in centimeters
The swift population rise in the last 2,000 years was caused by an increase in food supply. disease immunity. access to birth control education.
The Egyptian made many boats which were small and easily upset true or false
(HC)Which statement could have been made by a nativist during the late 19th century and early 20th century? "Immigrants who lack American values weaken our cult
If someone is a “nativist,” who is he or she against?
Which was an important value in Puritan society? A. education B. following the rituals of the Church of England C. equality between men and women D. religious t
What event most clearly prompted the US government to pursue the Space Race? the successful launch of Yuri Gagarin into space by the Soviet Union the Soviet Uni
Modern designers incorporated new materials like plastic and steel into their work. Which modern interior designer's bicycle inspired him to use tubular steel i
Which does not describe a hardship facing mill and mine workers? A. long hours B. hazardous machinery C. low pay D. management training