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

Why is the human body considered an open system
94,172 what is 1000 less in word form
According to the lecture, much of flamenco music is an expression of oppression and ______
Distributive property of 56+64
In a 7th grade, the ratio of girls to boys is 3:5, Which of the following COULD NOT be the total number of boys and girls in the class? 24, 40, 35 or 32.
Write a doubles fact you can use to find the sum 6+5
What Do you notice about the temperature and the rainfall.
Two 1.0 kg masses are 4.0 m apart on a frictionless table. Each has 1.0μC of charge. Part A What is the magnitude of the electric force on one of the masses? Wh
Explain why sharpening a pencil is a different type of physical change it freezing water to make ice cubes
Fighting began in Lexington and Concord when British troops A. captured Paul Revere. . came to arrest colonial leaders and take colonial weapons.