nevaehaluna05 nevaehaluna05

10-03-2020
Mathematics

contestada

someone please help me solve this
40=250(0.89)^x

Respuesta :

violetheffernan violetheffernan

10-03-2020

Answer: 15.72575

Step-by-step explanation:

Divide 250 over:

40/250=(0.89)^x

Log both sides (easiest with graphing calculator)

Remember exponent comes down in front on a log

Log(0.16) = x log (0.89)

X= Log (.16) / log (0.89)

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