perry220609
perry220609 perry220609
  • 09-02-2022
  • Mathematics
contestada

y is inversibly prportional to x when y=7 x=9
work out the value when x=21​

Respuesta :

scarlettemartinez26 scarlettemartinez26
  • 09-02-2022

Answer: a) Equation become xy=1 and the second part answer is b) y=1/21

Step-by-step explanation:

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