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 ( 44+ )
Otras preguntas
Use la palabra viven en cuatro tiempos diferentes. Presente, futuro, preterito perfecto, preterito imperfecto tiempos verbales
What inverse operations are used to solve the equation? 2x + 2 = 10 (A.)Add 2 to both sides, then divide by 2 on both sides (B.)Add 2 to both sides, then mult
How is data used to evaluate outcomes? Provide an example as it relates to an area of nursing.
5+5 +3+3+4+4+5+5+&+&+7+7+8+8+9+9
Which of the following best describe Birmingham during the 1950s and 1960s? For Common Lit
What areas of these fitness assessments are you hoping to see the most improvement in over the next few weeks? What specific actions will you take to help impro
4 = За – 14 whats the answer
Use the given information to find the minimum sample size required to estimate an unknown population mean. Margin of error: $120, confidence level: 95%, standa
Use the confidence level and Sample data to find the margin of error E. Round your answer to the same number of decimal places as the sample mean unless otherwi
Claudia and Patrick would like to dissolve their business partnership. They are confident that they can work collaboratively on the terms of the settlement, but
