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

Otras preguntas

At the beginning of january 2002, the price of ground beef was $1.70 per pound and the price of tuna fish was $2.20 per pound. for the following 15 months, the

Which expression is equivalent to the expression represented by the verbal phrase? 25% of the quantity of 208 plus n A. n + 5,200 B. 25n + 5,200 C. n + 52 D

During brazil's hyperinflation of the 1990s, the economy lost real resources when the _____ sector grew very large to cope with the consequences of the high rat

What is the function of the meiosis cell division?

who is father of india

What value of x is in the solution set of the inequality 4x – 12 ≤ 16 + 8x?

Systemic error (track bowing) (20p): you may have found that you couldn't perfectly level the air track: if it was level in one place, it was not quite level in

the length of a rectangle is 3 more than twice its width. the total area of the rectangle is 54 square units. what is the width and length of the rectangle? rep

which of reduces the risk of data exposure between containers on a cloud platform?

Select the most appropriate synonym of the given word. JOVIAL a. Judgmental b. Jeering c. Jealous d. Joyous