mattskinner
mattskinner
12-04-2018
Mathematics
contestada
What the answer plz help
Respuesta :
Аноним
Аноним
12-04-2018
20 = 40e^-0.1446t
e^-0.1446t = 0.5
t = ln 0.5 / -0.1446
t = 4.8 days
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