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2 years ago

6

A file that is 256 megabytes is being downloaded. If the download is 17.3% complete, how many megabytes have been downloaded? Ro

und your answer to the nearest tenth.

1 answer:

dexar [7]2 years ago

6 0

If i did my math right it should be 44.3

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Which of the following numbers must be added to complete the square in the equation below?

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First, take half of the coefficient of 18x then square it.

18 / 2 = 9
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Evaluate the expression for the given value of the variables.

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Since c=15 and d=3, we replace the c and d variables with 15 and 3.

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The population of a community is known to increase at a rate proportional to the number of people present at time t. If the popu

Lady bird [3.3K]

Answer:

$P(t) = P(0)e^{0.0693t}$

Step-by-step explanation:

The population of a community is known to increase at a rate proportional to the number of people present at time t.

This means that the population growth is modeled by the following differential equation:

$\frac{dP(t)}{dt} = rP(t)$

Which has the following solution:

$P(t) = P(0)e^{rt}$

In which P(t) is the population after t years, P(0) is the initial population and r is the growth rate.

The population has doubled in 10 years

This means that $P(10) = 2P(0)$ . We use this to find r.

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$2P(0) = P(0)e^{10r}$

$e^{10r} = 2$

$\ln{e^{10r}} = \ln{2}$

$10r = \ln{2}$

$r = \frac{\ln{2}}{10}$

$r = 0.0693$

So the equation that will estimate the population of the community in t years is:

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2 years ago