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Briannalyse Briannalyse
  • 25-07-2015
  • Mathematics
Answered

the variables x and y are inversely proportional, and y=2 when x=3 what is the value of y when x=9

Verified Answer :

naǫ
naǫ naǫ
  • 25-07-2015

Inverse proportion:
\(xy=k\)

y=2 when x=3.
\(3 \times 2=k \\ k=6 \\ \\ xy=6\)

y=? when x=9.
\(9y=6 \\ y=\frac{6}{9} \\ y=\frac{2}{3}\)

y=2/3 when x=9.

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