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  • 01-09-2019
  • Mathematics
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The quantities of x and y are proportional. Find the constant of proportionality (r) in the equation y= rx

The quantities of x and y are proportional Find the constant of proportionality r in the equation y rx class=

Respuesta :

calculista
calculista calculista
  • 08-11-2019

Answer:

The value of the constant of proportionality r is 1

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form [tex]y/x=r[/tex] or [tex]y=rx[/tex]

Find the value of the constant of proportionality r

[tex]r=y/x[/tex]

For x=5.8, y=5.8

substitute

[tex]r=5.8/5.8[/tex]

[tex]r=1[/tex]

The linear equation is

[tex]y=x[/tex]

therefore

The value of the constant of proportionality r is 1

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