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10 months ago

The half-life of Radium-223 is 11.43 years. What is the annual decay rate? Express the result to four decimal places.

Mathematics

1 answer:

mestny [16]10 months ago

3 0

Answer:

Below

Step-by-step explanation:

e^(-kt) = 1/2 when t = 11.43

so k = .060642797

e^ (- .060642797 * 1) = .9411 <==== is left after one year

which means the decay in one year is

1 - .9411 = .05884 = 5.88% per year

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pickupchik [31]

Answer:

The equation of the line is $y = -\frac{1}{3}x - 8$

Step-by-step explanation:

Equation of a line:

The equation of a line has the following format:

$y = mx + b$

In which m is the slope and b is the y-intercept.

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This means that $m = -\frac{1}{3}$

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This means that when $x = -6, y = -6$ . So

$y = -\frac{1}{3}x + b$

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8 0

3 years ago

Read 2 more answers

Find the equations for the lines through the point (a,

ozzi

The slope of the perpendicular line is -1/m.

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y - c = -1/m(x - a)

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2 years ago

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tankabanditka [31]

Answer:

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2 years ago

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Lera25 [3.4K]

Answer:

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Step-by-step explanation:

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divided by

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3 years ago