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 ( 25+ )
Otras preguntas
A man walks 4km from point x due east of point Y. The bearing of a flag point x and y are due N80°W and N40°E respectively. Find the distance of the flag pole f
how are magneted fields generated?
In which device is chemical energy transformed into electrical energy?
Read the excerpts from “Take the Tortillas Out of Your Poetry” and “Speaking Arabic.” My friend had concluded that if he took his language and culture out of hi
What is the value of x in the equation 1/5 x-2/3y = 30, when y = 15?
consider the parabola given by the equation: f(x)=2x^2+12-9 find the following for this parabola: a) the vertex b) the vertical intercept is the point c) find
From this diagram, select the pair of lines that must be parallel if angle 1 is congruent to angle 8. If there is no pair of lines, select "none".
DOES THE THE NUMBER LINE GOES ON FORVEVER
In lord of the flies What do you believe the author is trying to set-up with the confrontation over priorities? (Jack focusing on hunting the pig, Ralph focusin
Completa la entrada en el blog de un estudiante que, por fin, sabe lo que quiere estudiar. Escribe la forma correcta del verbo correcto en el presente sin repet
