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 ( 78+ )
Otras preguntas
Help! Please, Give Me The correct answer!! What conditions in the Middle Colonies favored farming when compared to New England? A. The shorter, milder summers r
Write the number 3.8 in the forum of a/b using integers to show that it is a rational number Answer choices 8/10 38/10 8/11 38/100
Choose the correct answer to the following question. ¿Dónde hay anuncios en español? en la televisión en la estación de bomberos en el garaje en la estac
A couple more questions ! Please help
Briefly describe the Dred Scott case.
Projective tests are based on the assumption that ____.
All of the activities concerned with obtaining money and using it effectively are called:
A general rule for adding text to a slide is ____.
In general, hypertension is characterized by having a diastolic pressure above 120 and a systolic pressure above 80. a. True b. False
The value of n can be determined by using the expression 0.25m. Which table represents the relationship between the values of n and m?
