dangerousdyno
dangerousdyno dangerousdyno
  • 23-01-2022
  • Mathematics
contestada

The variable x and y vary directly. Write an equation that relates x and y. Then find y when x = 12.

x = 4, y = 8

Respuesta :

semsee45
semsee45 semsee45
  • 23-01-2022

Answer:

24

Step-by-step explanation:

   [tex]y=kx[/tex]

at (4, 8):  8 = 4k  ⇒  k = 2

So  [tex]y=2x[/tex]

when [tex]x=12[/tex], [tex]y=2 \times 12=24[/tex]

Answer Link

Otras preguntas

what do you call a baby zebra?
the area of the rectangle is 85 cm. express the perimeter of the rectangle is function of the width x.
please help me write equation for each condition listed. 1- The vertical line that passes through ( –7, 4 ) 2- The horizontal line that passes through
Q2. In a 4x100 m relay race, total track length is 200m and time taken by one particular group is 50.2 s. What is the average speed and average velocity of that
2x2 + 6x + 5 = 0 what are the real roots for the quadratic equation
please help me write equation for each condition listed. 1- The vertical line that passes through ( –7, 4 ) 2- The horizontal line that passes through
why oxygen important in your body?
What some players famous for biting others? Other than Luis Suarez :)
If -nx2 + tx + c = 0, what is x equal to?
State a conclusion that seems reasonable.A teacher gave all her classes a true-false test on seven consecutive Mondays. Today is Monday. Conclusion: