alaizagonzalez8
alaizagonzalez8
28-12-2017
Mathematics
contestada
i really need help !!!!!!!!!!!
Respuesta :
lesliekolleroxrkcf
lesliekolleroxrkcf
29-12-2017
ln20+ln5=2ln x
ln(20*5) = ln x^2
ln 100 = ln x^2
100 = x^2
x = 10 second option
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