Answer:
Step-by-step explanation:
Assuming the decay factor, m = 0.0005
f(x) = 
f(9000) =
= 1 - 0.0111 = 0.99
Answer:
are zeroes of given quadratic equation.
Step-by-step explanation:
We have been a quadratic equation:

We need to find the zeroes of quadratic equation
We have a formula to find zeroes of a quadratic equation:

General form of quadratic equation is 
On comparing general equation with b given equation we get
a=2,b=-10,c=-3
On substituting the values in formula we get


Now substituting D in
we get




Therefore, 
Tan(-x)csc(-x)sec -1 (-x)cot(-x) i am not sure, I hope you get a good grade, this is what i got.. ',: (
Answer:
14
Step-by-step explanation:
12:6=2
12+2=14
so her brother it's 14 years old
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