The initial sum of money borrowed was $750
at a simple interest rate of 8%
Dan pays the money back in 6 months
The amount of money Dan has to pay back his brother including the interest in 6 months' time.
The total amount accrued, principal plus interest, from simple interest on a principal of $750 at a rate of 8% per year for 6 months is $780.
The total interest that is to be paid back can be calculated using the formula
where P is the prinicipal amount of money we begin with (in this case $750), r is the rate of interest (in this case 8%) and t is the time period (in this case, 6 months or 1/2 of a year).
(Note that we must take the value of t in years if the interest is annual interest and that is why we use t = 1/2 = 0.5 instead of t = 6).
So, by simple calculation we can find interest to be paid as
the interest accrued is $30
To find the total sum to be paid back, we add the initial sum or pricipal amount to the interest we have calculated above i.e.,
the total amount accrued, principal plus interest, from simple interest on a principal of $750 at a rate of 8% per year for 6 months is $780.
1. I figured out how to order them by using the distance formula to calculate how far each point was, from the other.
2. (1, -10) and (1, -11)
3. (1, -10) and (1, 11)
<u>Using Letter A, as example:</u>
To calculate the distance between the points, you use the formula:
d = 6
Just do the same thing (plug in the numbers into the formula), and you should be able to get the correct answers.
they are equal
rectangle- 8 + 8 = 16
2 + 2 =4
rectangles perimeter is 20
square 5 X 4 = 20
sqaures perimeter is 20
In Algebra a term is either a single number or variable, or numbers and variables multiplied together.
Terms are separated by + or − signs, or sometimes by divide.
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