sturtz95
sturtz95
14-06-2016
Mathematics
contestada
log base 9 m - log base 9 (m-4)=-2
Respuesta :
caylus
caylus
14-06-2016
Hello,
log base 9(m/(m-4))=-2
==>m/(m-4)=9^(-2)
==>81m=m-4
==>80m=-4
==>m=-1/20
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