Poptarts1512
Poptarts1512 Poptarts1512
  • 25-04-2021
  • Mathematics
contestada

If a is inversely proportional to x, a=15 when x=25 find the constant of variation, k

Respuesta :

altavistard
altavistard altavistard
  • 25-04-2021

Answer:

Step-by-step explanation:

"Inversely proportional to x" in this situation is represented by a = k/x.

Find k:

Let a = 15 and x = 25, then calculate k:

15 = k/25)

Multiplying both sides by 25 yields k = 15(25), or k = 3/5

                       3

and so a = -----------

                      5x

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