The diameter of a circle is 50 inches.The radius of the circle is A) 100 inches B) 25 inches C) 157 inches D) 45 inches ...so wh
2 answers:
You might be interested in
Answer:
The rate of decrease is 8%
Step-by-step explanation:
we know that
The general equation for the radioactive decay can be written as:
where
a is the amount in kilograms after time t.
a_0 is the original amount of the substance or y-intercept of the function
r is the decay rate, written in decimals.
t is the time
In this problem we have
so
solve for r
Convert to percentage