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jeyben [28]
3 years ago
6

16 is 40% of what number?

Mathematics
1 answer:
Agata [3.3K]3 years ago
8 0
\begin{array}{cccc}16&-&40\%&|divide\ both\ sides\ by\ 4\\4&-&10\%&|multiply\ both\ sides\ by\ 10\\40&-&100\%\end{array}\\\\Answer:\boxed{16\ is\ 40\%\ of\ 40}
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Please help me thank you so much. Just not sure of my answers
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Answer:

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Step 2

Part (a)

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Time taken for the radius to become 0 = t2 and the same can be obtained by solving:

r = 2 - √t2 = 0

Hence, t2 = 22 = 4 hours

Hence, the time duration of the entire experiment (from the introduction of the bacteria until its disappearance) = t1 + t2 = 4 + 4 = 8 hours

Step 3

Part (b)

r(t) = 0.5t for 0 ≤ t ≤ 4

and

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Step-by-step explanation:

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Answer:

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y =  \frac{4}{5} x  -  \frac{22}{5}

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Step-by-step explanation:

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