princessavamason princessavamason

23-04-2021
Mathematics

contestada

X is inversely proportional to y, and x = 18 when y = 4. Write an equation relating the two

Respuesta :

23-04-2021

Answer:

[tex]xy=72[/tex]

Step-by-step explanation:

If x is inversely porportionaly to y, then for some constant k,

[tex]x = \frac{k}{y}\\xy=k[/tex]

Since y is 4 when x = 18, k is equal to 4*18=72, so the equation is:

[tex]xy=72[/tex]

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