Aaroneyhegigirlgi Aaroneyhegigirlgi
  • 06-05-2017
  • Mathematics
contestada

Solve 4r2 – 16 = 84.




{±4}


{±3}


{±6}


{±5}

Respuesta :

PsychrolutesMarcidus
PsychrolutesMarcidus PsychrolutesMarcidus
  • 06-05-2017
4r²– 16 = 84
4r² = 84+16
4r²= 100
r²=25
r=√25
r=±5
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