kenebebebeve9202002 kenebebebeve9202002
  • 03-02-2021
  • Mathematics
contestada

Explain your answer !!
Have a nice day

Will give braisnlt

Explain your answer Have a nice day Will give braisnlt class=

Respuesta :

Parasmahata
Parasmahata Parasmahata
  • 03-02-2021

Answer:

3x+2y=15--------(1)

4x+2y=20--------(2)

then, 2y=15-3x------(3)

putting value of 2y in equation (2)

4x+15-3x=20

x=5

then after , putting value of x in eq(3)

y=(15-15)/2

y=0

Answer Link

Otras preguntas

8.7 less than 3 times a number is the same as 22 1/5
whose name is associated with positive psychology?
A 39.5 kg sled is pulled forward with a 72.8 N force, which causes an acceleration of 0.521 m/s2. How much friction force acts on the sled? (Unit = N)
I don't really understand it, so can you help? thank you! ​
At the city museum, child admission is $5.50 and adult admission is $9.70. On Thursday, 149 tickets were sold for a total sales of $1235.30. How many adult tick
what is the answer ???????​
Help me I can’t do it please
Zeljko's father bought a new TV for $660. He is paying it off monthly for one year. How much does he pay each month?
constant proportionality of y= 10/5x
electrical current is defined asA. free electronsB. the rate of flow of free electronsC. the energy required to move electronsD. the charge on free electrons​