The correct answer would be $ 20.16
Answer:
Step-by-step explanation:
- Initial amount of drug = 50 mg
- Remains after each hour = 85%
- Time = t
<u>This relationship can be shown as a function:</u>
<u>After 4 hours remaining drug in blood:</u>
- y(4) = 50(0.85)^4 = 50(0.522) = 26.10 mg
Answer:
20%
Step-by-step explanation:
60/300 = .2 *100 = 20%
Answer:
A) 0.05
Step-by-step explanation:
Let's summarize into an equation the information we can get from that table.
We have 4 liters of an acid of an unknown concentration, let's call it (4x).
We have 10 liters of an acid with known concentration of 0.40.
And we have a total of 14 liters overall with a concentration of 0.3o.
That's like a weighted average formula: 4x + 10 y = 14z
Let's replace the concentration values we know and solve this:
4x + 10 (0.4) = 14 * 0.3
4x + 4 = 4.2
4x = 0.2
x = 0.05
So, the concentration of the 4 liters of acid on concentration X are in fact of concentration of 0.05.
Divide, because if you multiplied 272.5 by 10, the alligator would be getting 10 times bigger than it already is.