shewillbeloved46
shewillbeloved46 shewillbeloved46
  • 18-03-2020
  • Mathematics
contestada

Help with number 8 please thank you !!!!!!!

Help with number 8 please thank you class=

Respuesta :

tedlutaj
tedlutaj tedlutaj
  • 18-03-2020

Answer:

1/9 and -1/9

Step-by-step explanation:

81x^2=1

Dividing by 81 on both sides:

x^2=1/81

Taking the square root:

x= ±1/9

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