tunerrcarz
tunerrcarz tunerrcarz
  • 03-05-2020
  • Mathematics
contestada

please answer correctly, will mark brainliest

worth 30pts

please answer correctly will mark brainliest worth 30pts class=

Respuesta :

amna04352
amna04352 amna04352
  • 03-05-2020

Answer:

(3,15)

Step-by-step explanation:

y = 5x

x + y = 18

x + 5x = 18

6x = 18

x = 3

y = 5(3) = 15

Answer Link
igoroleshko156
igoroleshko156 igoroleshko156
  • 07-05-2020

Step-by-step explanation:

Step 1:  Set y to 5x in the first equation

[tex]x + y = 18[/tex]

[tex]x + (5x) = 18[/tex]

[tex]6x = 18[/tex]

[tex]6x / 6 = 18 / 6[/tex]

[tex]x = 3[/tex]

Step 2:  Set x to 3 in the second equation

[tex]y = 5x[/tex]

[tex]y = 5(3)[/tex]

[tex]y = 15[/tex]

Answer:  [tex](3, 15)[/tex]

Answer Link

Otras preguntas

What is a Mandala Autobiography?
What do you mean by corrosion? How can you prevent it?
a person who studies word origins and meanings would most likely be a
Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies one inequalities but not them all
all fractions between 0 and 1/4
Kim estimates that the faucet in her kitchen drips at a rate for 1 drop every 2 seconds. Erik wants to klnow how many times the faucet drips in a week.
Round 13 513 to the nearest thousand
Consider the following system of equations. y = 2x - 2 y - 2x = 5 What can you conclude about the system of equations? The system of equations is inconsistent.
At the school carnival, Carmen sold 3 times as many hot dogs as Shawn. The two of them sold 152 hot dogs altogether. How many hot dogs did Carmen sell? 51382111
Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies one inequalities but not them all