A certain radioactive material decays in such a way that the mass in kilograms remaining after t years is given by the function
1 answer:
The mass of radioactive material remaining after 50 years would be 48.79 kilograms
<h3>How to determine the amount</h3>It is important to note that half - life is the time it takes for the amount of a substance to reduce by half its original size.
Given the radioactive decay formula as
m(t)=120e−0.018t
Where
t= 50 years
m(t) is the remaining amount
Substitute the value of t
Find the exponential value
m(t) = 48.788399
m(t) = 48.79 kilograms to 2 decimal places
Thus, the mass of radioactive material remaining after 50 years would be 48.79 kilograms
Learn more about half-life here:
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Answer:
Step-by-step explanation:
Let , a reflection over the x-axis consists in the following operation:
If we know that and
, then the points translated over the x-axis are
and
, respectively. The most precise description of the shape is a rectangle for the following facts:
1) and
.
2) and
have the same x-component.
3) and
have the same x-component.
4) and
have the same y-component.
5) and
have the same y-component.
A representation of the shape is included below as attachment.
