The amount of caffeine in the body of a healthy adult after drinking espresso decreases exponentially, with a half-life of appro
ximately 6 hours. That is, every 6 hours, the amount of caffeine in the body decreases by 50%. Charlotte wants to go to sleep at 11 pm and does not want more than 20 milligrams (mg) of caffeine in her system at that time. What is the latest time Charlotte can drink a 2-ounce shot of espresso that contains 80 mg of caffeine?
A. 5 am
B. 11 am
C. 11:30 am
D. 12 pm
A. 5 am
B. 11 am
C. 11:30 am
D. 12 pm
2 answers:
You might be interested in
Multiplying these together, we get:
The square root of x^2 is x, so we have a final expression of 4x.
The square root of x^2 is x, so we have a final expression of 4x.
Answer:
The Volume of the cube is
Step-by-step explanation:
we know that
The volume of a cube is equal to
where
s is the length side of the cube
In this problem we have
Substitute
Remember that
Combine like terms