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 ( 82+ )
Otras preguntas
A sample of helium gas is in a sealed, rigid container. What occurs as the temperature of the sample is increased?
The U.S. government openly stated that they would view any European interference in Latin America as
which term describes an enzyme
People flocked to California to fulfill the _________.
When solving a word problem, what step should you always do after reading the problem, but prior to writing the equation?
Which Byzantine leader restored the use of icons in 843 CE? - Theodora - Justinian - Basil - Leo III
In the Southern subregion of sub-Saharan Africa, which country is mainly covered by the Kalahari Desert?
You are working at establishing a computer network and communications support for incident personnel. Where are you working? a. Operations Section b. Planning S
how did geography influence the location of European colonies?
What important decisions had to be made concerning the fate of the seceded states and the rights of those freed from slavery?
