williambarr williambarr
  • 07-05-2020
  • Mathematics
contestada

P varies inversely with x. if p=7 when x=8, find the value of P when x=7

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sqdancefan
sqdancefan sqdancefan
  • 02-01-2021

9514 1404 393

Answer:

  P = 8

Step-by-step explanation:

The "varies inversely" relation can be expressed by the equation ...

  P = k/x

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

  k = Px = (7)(8) = 56

Then for the new value of x, we have ...

  P = 56/x = 56/7

  P = 8

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