jounyyynbsbsklllour jounyyynbsbsklllour
  • 21-03-2021
  • Mathematics
contestada

(D
[tex] \frac{x}{2 } + \frac{y}{5} = 3 [/tex]
helpppppp pleaseeeee​

Respuesta :

Amarokwolf
Amarokwolf Amarokwolf
  • 21-03-2021

Answer:

x=0, y=15

Step-by-step explanation:

x/2+y/5=3

(5x+2y)/10=3

5x+2y=30

2y=30-5x

y=(30-5x)/2....(1)

we know, 5x+2y=30

substituting (1)

5x+2×[tex]\frac{30-5x}{2}[/tex]=30

5x+30-5x=30

5x-5x=1

x=0

y= (30-5x)/2= 30/2=15

let's check the answer,

0/2+15/5=3

15/5=3

3=3

LHS=RHS

Answer Link

Otras preguntas

Find the value of x in the isosceles triangle shown below.
What are demospongi and sclerospongi
parents should be given a fair chances to speak, during intervention by educators? True or false​
1. Sean writes the expression 3/4 + 1/4 and completes the division. What information does this expression give Sean? 
Can you please help me with English paper 1 for 2018​
Rant. Rant about life or whatever. Just let it all out here. I will support you! I love you and so does Jesus! Just let it out, thats what is making you stress.
pasagot po please...........​
 Pressure increases with depth toward the center of the Earth. In which layer would you expect the pressure to be the greatest?
Mr. adhakari deposited a sum of RS 2400 in a bank at 5% per year simple interest. how much interest would he get at the end of 4 year ?​
help me out here? (check the attached image if you're somewhat good at geometry)