Answered

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If y varies inversely with x
and y is 10 when x is 5,
then what is y when x is 2?

Sagot :

sqdancefan

9514 1404 393

Answer:

  25

Step-by-step explanation:

Inverse variation means ...

  y = k/x

For the given values, we can find k to be ...

  k = xy = (5)(10) = 50

Then for x=2, we have ...

  y = 50/x

  y = 50/2

  y = 25 . . . when x=2

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