Answer:
x= 49.1
Step-by-step explanation:
Please see the attached picture for the full solution.
Answer:
The balance in the account after 20 years will be $11280.
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:

In which E are the earnings, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
After t years, the total amount of money is:
.
In this problem
We want to find T, when 
The first step is find the earnings due to interest. So

Adding to the principal to find the balance

The balance in the account after 20 years will be $11280.
It's gonna be 0.416 because 6 is in the thousandths place and nothing it next to it
T=I/Pr
t:500/(4000*0.025)
t: 5 yrs
Dear Random17, the question to your answer requires the use of the formula I=Prt. The equation will look like 500=4000(0.025)t. Multiply 4000 times 0.025 to get 500=10t. T=50 years.
The equation for the shadow length L.
Is L=0.72*h
Therefore at 123 feet the shadow length would be 88.56 feet