3 years ago

A circle has a sector with area .5pi and central angle of 1/9pi radians

Mathematics

1 answer:

Cerrena [4.2K]3 years ago

8 0

Did not mean to comment on your question my bad

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What is the concentration after 11 minutes? Ground to 3 decimal places.

sergiy2304 [10]

In order to find the concentration after 11 minutes, let's use the value of t = 11 in the function C(t) and then calculate its value:

$\begin{gathered} C(t)=0.04(1-e^{-0.2t}) \\ C(11)=0.04(1-e^{-2.2}_{}) \\ C(11)=0.04(1-0.1108) \\ C(11)=0.04\cdot0.8892 \\ C(11)=0.035568 \end{gathered}$

Rounding to three decimal places, we have a concentration of 0.036.

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MissTica

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Step-by-step explanation:

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