mubarakibrahim566
mubarakibrahim566
02-10-2019
Mathematics
contestada
Solve: 2x+4y=20 and 2x-y=4
Respuesta :
nadiroz
nadiroz
02-10-2019
Answer:
(x, y) = (18/5, 16/5)
OR
(x, y) = (3.6, 3.2)
Answer Link
kevinw0928
kevinw0928
02-10-2019
Answer:
X=3.6
Y=3.2
Step-by-step explanation:
2x-y=4 which means
2x
=
4+y
2x
+4y = 20 which means
4+y
+4y=20 ==> 4+5y=20
5y = 20-4 = 16
y= 16/5 =
3.2
2x=
4+y
=4+
3.2
=7.2
x = 7.2/2 =
3.6
Answer Link
VER TODAS LAS RESPUESTAS ( 76+ )
Otras preguntas
The end of the war in Europe compared to the end of the war in the Pacific
Who was the winning general for the North in the Civil War? Ulysses S. Grant Robert E. Lee Abraham Lincoln Winfield Scott
What was the Alien Act? It authorized the arrest and deportation of immigrants who criticized the government. It limited the federal government to powers explic
What is the best way to change the sentence below from passive voice to active voice? The band was shocked by Patrick's loud music. a. The band, by Patrick's lo
The British Reform Bill of 1867 extended the right to vote to __________.
what is an effective ending???
The population of a small town in 1990 was 1,200 people, and the population in 2000 was 2,700 people. Let x represent the number of years since 1990. Let y repr
Who won the 1968 us presidential election by running on a platform of a victory with honor in vietnam
An ice cream stand uses the expression 2 + 0.5x to determine the cost (in dollars) of an ice cream cone that has x scoops of ice cream. How much does an ice cre
How did the work of Dmitri Mendeleev differ from that of John Newlands in the development of the periodic table?
