After 6 hours the drug remains is 19.66 mg if the drug decays at a rate of 20 percent per hour.
<h3>What is exponential decay?</h3>
During exponential decay, a quantity falls slowly at first before rapidly decreasing. The exponential decay formula is used to calculate population decline and can also be used to calculate half-life.
We have:
If a doctor prescribes 75 milligrams of a specific drug to her patient how many milligrams of the drug will remain in the patients' bloodstream.
We know the exponential decay can be given as:
D = a(1 - r)ⁿ
a is the starting value and n is the number of hours.
D = 75(1 - 0.20)⁶
D = 19.66 milligrams
Thus, the after 6 hours the drug remains is 19.66 mg if the drug decays at a rate of 20 percent per hour.
Learn more about the exponential decay here:
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Answer:
71.43%
Step-by-step explanation:
1. 20/28=0.7143
2. 0.7143(100)=71.43%
m ABC = 90° and the ratio x: y = 2 : 3
the value of the larger angle is 180⁰
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Answer:
Step-by-step explanation:
Since the scale is in equilibrium, both sides must be equal. Therefore, we have the following equation:
Solving for :