Ok ik that I do math for ppl a lot but if someone could plz just help me with theses math problems (if u say that u will help I’
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Given that the half life of 3H is 12.3 years.
The amount of substance left of a radioactive substance with half life of
after t years is given by
Therefore, the number of years it will take for 18% of the original tritinum to remain is given by
Therefore, the number of <span>years that the time could be read at night is 30.4 years.</span>
The amount of substance left of a radioactive substance with half life of
Therefore, the number of years it will take for 18% of the original tritinum to remain is given by
Therefore, the number of <span>years that the time could be read at night is 30.4 years.</span>
Given:
The figure of a pentagon.
To find:
The value of the x.
Solution:
We know that, the sum of all interior angles of a pentagon is 540 degrees. So,
Subtract both sides by 12.
Divide both sides by 33.
Therefore, the value of the x is 16.