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 ( 74+ )
Otras preguntas
HELP ASAP WILL REQARD BRAINLIESTGRADUATING THIS WEEK NEED THIS ALL ANSWERED PLZ1. 14k+k<302. 9d-3d+7 > 313. 13x-2x>774. 5y< 7y + 185. 3f-12-10+9f6.
PLEASE HELP I WILL GIVE BRAINLIEST TO THE FIRST CORRECT ANSWER!!!! What has been a big part of India's economic growth? A. The growing meat-packing industry B.
A______is the formation of a political union by a number of states with a central government.
is the polynomial x2y + 3xy2 a
Why is US Canada's largest trading partner?
Governor Raymond Gary is known for championing which issue during his time in office? A. providing funding for the construction of bomb shelters B. expanding th
Jim is the daytime supervisor for an automobile assembly line. He supervises 45 people who perform relatively routine jobs that require minimal training. The sh
Please help me out please
If point (x, y) is reflected over the y-axis, the resulting point is (-x, y)
Weather forecasts help people to plan their daily activities
