Step-by-step explanation:
hope it helps you......
Answer: sin(L) = 4/5, cos(L) = 3/5, tan(L) = 4/3
Step-by-step explanation:
i got it wrong so here's the correct answers for people who are trying to pass
Answer:
7 hours
Step-by-step explanation:
Since, the final amount of caffeine formula would be,

Where,
P = Initial value,
r = rate per period,
t = number of periods,
Here, r = 10% = 0.10, t = h, A = 


Taking log both sides,



Hence, after 7 hours the amount of caffeine in a body to reduce by half.
I don’t know the answer I just need some points have a good day