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mafiozo [28]
2 years ago
7

HELP!!

SAT
1 answer:
dimulka [17.4K]2 years ago
4 0

They are inverse of logarithmic equations. The value of b to the nearest tenth is 0.1

<h3>Exponential equations</h3>

They are inverse of logarithmic equations. Given the exponential function that modelled the penicillin concentration, in micrograms per milliliter as shown:

P(t) = 200b^{\frac{6}{5} }

If the value of P(t) is 10, hence;

10 = 200b^{\frac{6}{5} }\\\frac{10}{200} = b^{\frac{6}{5} } \\0.05= b^{\frac{6}{5} } \\

Take the ln of both sides

ln0.05 = 6/5 lnb

-2.995 = 1.2 ln b

lnb = -2.495

b = e^-2.495

b = 0.08

Hence the value of b to the nearest tenth is 0.1

Learn more on exponential function here; brainly.com/question/2456547

#SPJ1

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