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12-11-2020
Mathematics

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y is inversely proportional to x. Given that y = 12 and x = 6. Find the value of y when x = 8.

Respuesta :

12-11-2020

Answer:

9

Step-by-step explanation:

formula for inverse proportion is y = [tex]\frac{k}{x}[/tex]

k is the constant of probability

to find k,

y is 12, x is 6

12 = [tex]\frac{k}{6}[/tex]

so x = 12 × 6

∴ k is 72

so y = [tex]\frac{72}{8}[/tex]

∴ y is 9

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