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3 years ago

6

Mixed numbers between 0 and two with an interval of one third between each pair of mixed numbers

1 answer:

larisa86 [58]3 years ago

5 0

Mixed numbers are fractions that are greater than 1 so exg 8 and 3/4

between0 and 2 that means not including 0 or 2
start at >1 because mixed numbers must be greater tahn 1
2 examples are
1 and 1/3
1 and 2/3

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The amount A of the radioactive element radium in a sample decays at a rate proportional to the amount of radium present. Given

slavikrds [6]

Answer:

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Step-by-step explanation:

a) Let assume an initial mass m decaying at a constant rate k throughout time, the differential equation is:

$\frac{dm}{dt} = -k\cdot m$

b) The general solution is found after separating variables and integrating each sides:

$m(t) = m_{o}\cdot e^{-\frac{t}{\tau} }$

Where $\tau$ is the time constant and $k = \frac{1}{\tau}$

c) The time constant is:

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$\tau = 2438.155\,yr$

The particular solution of the differential equation is:

$m(t) = 10\cdot e^{-\frac{t}{2438.155} }$

d) The amount of radium after 300 years is:

$m(300) \approx 8.842\,g$

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Annette [7]

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

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insens350 [35]

Answer:

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Step-by-step explanation:

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