Answer:
-I
Step-by-step explanation:
Given :
I= 
Now

And 
Answer will be -I
Answer:

The balance is $256
Step-by-step explanation:
Given


Required
Determine the balance after 20 visits
Represent the balance with b
Represent the visitation with v
The relationship between the given parameters is:

This gives:


Make b the subject

To get the actual balance after 20 visitation;
Substitute 20 for v



Hence:
<em>The balance is $256</em>
Answer:
Answer:
A) A(t) = 5000(1 + 0.012)t
B) A(t) = 106260
Step-by-step explanation:
A) 5000 is the initial amount, 1 + 0.012 is the interest rate, and t represents the years.
B) When we plug 21 into the equation, we get 106260.
I hope this helps!