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 ( 81+ )
Otras preguntas
What is the factored form of each expression? 20x + 35y
the probility of winning particular game at the game is 1/4. Find the odd against winning the game?
There are only three types of polygons that can be the faces of a Platonic solid. They are _____, _____, and _____. Check all that apply.
Graph the linear equation. Find three points that solve the equation, then plot on the graph. -3+2y=2
Which sentence gives the impression that amusement parks want to provide their patrons with the ultimate thrilling experience? A. "On many of these attractions,
Factor completely 4x^2 + 24x - 64
Milton makes trail mix for his hiking group. He mixes 1 1/4 pound of peanuts, 14 oz of raisins, 12 oz of walnuts, and 10 oz of chocolate chips. If Milton divide
a system that transmits genetic information from one generation to the next
A fair coin is tossed 5 times. what is the probability of at least one? head? round to the nearest? ten-thousandth.
3^-9 / 3^-12 a. 1/3^21 b. 1/3^3
