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 ( 41+ )
Otras preguntas
The CAN-SPAM Act regulates the use of unsolicited ads that show mature content unsuitable for ____________ .
How many square feet are in a square mile?
In what types of organisms do plasmodesmata serve as a mechanism of cell–cell communication?
Will upvote if answered!!: Becasue of their shape when seen from the ground, tornados are sometimes called_____. V clouds tube clouds funnel clouds wedge cloud
which statement best describes how railroads changed industrial practices? railroads connected inland cities to seaports railroads made automobiles obsolete r
A school bus full of students drives down the road. Because it is moving, it has
What is the fraction for 224%
Political culture is a term used to describe
Which type of evidence would supportthe author's thesis?
What does this mean? !!!!!!!!!!!!!!!
