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kotykmax [81]
4 years ago
7

How do u do x2-x1 in math

Mathematics
1 answer:
Damm [24]4 years ago
6 0
The answer is x
the question suppose to be 2x - 1x
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The antibiotic clarithromycin is eliminated from the body according to the formula A(t) = 500e−0.1386t, where A is the amount re
PolarNik [594]

Answer:

Time(t) = 11.61 hours (Rounded to two decimal place)

Step-by-step explanation:

Given: The antibiotic  clarithromycin is eliminated from the body according to the formula:

A(t) = 500e^{-0.1386t}                 ......[1]

where;

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100= 500e^{-0.1386t}

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\frac{100}{500}=\frac{ 500e^{-0.1386t}}{500}

Simplify:

\frac{1}{5} = e^{-0.1386t}

Taking logarithm both sides with base e, then we have;

\log_e (\frac{1}{5})= \log_e (e^{-0.1386t})

\log_e (\frac{1}{5})=-0.1386t         [ Using \log_e e^a =a ]

or

\log_e (0.2)=-0.1386t

-1.6094379124341 = -0.1386t

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then;

t = \frac{-1.6094379124341}{-0.1386}

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t ≈11.61 hours.

Therefore, the time 11.61 hours(Rounded two decimal place) will pass before the amount of drug in the body is reduced to 100 milligrams


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3 years ago
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Step-by-step explanation:

52 \times 5 = 260

so \\ 260 = 26 ^{10}

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2 years ago
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