If I'm not mistaken.. the half-life should be 40,750 years.. so
y = 40,750
I got this by multiplying 25,000 by 1.63 and then if you divide by 2.. you get
20,375.. so one of those should be correct
Answer:
a= k/9b+4
Step-by-step explanation:
https://www.mathpapa.com/algebra-calculator.html?q=K%3D4a%2B9ab
Answer:
5
Step-by-step explanation:
The number of elements in set A is 5.
Answer: 18 c
Step-by-step explanation: since they have the same variables you can easily just add them together