tjslonaker tjslonaker

02-03-2020
Mathematics

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Y is directly related to X, and Y is 81 when X is 27.
The constant of variation is ____

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Officialalehpeter Officialalehpeter

02-03-2020

Answer:x=3/9

Step-by-step explanation:

X directly proportional to Y

X=ky

Make k the subject of formula

k=x/y

K=27/81

Divided by 9

K=3/9

Answer Link

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