I believe that triangle B and E are right triangles.
You're using inverse operation to solve this equation. Now you just have to think about it. What number plus 20 would equal the same number squared? The answer would be 5, since
5+20=5^2
25=25
The statement above is true :)
Another number that would work for the equation would be x= -4
-4+20=-4^2
16=16
The statement above is also true so your answer would be x=-4 and 5
The due date of the promissory note is May 24th 2013.
Data;
- Present Value (PV) = $3600
- Interest = $370
- Future Value (FV) = PV + I = $3600 + $370 = $3970
<h3>Due Date of the Note</h3>
To calculate the due date of the note, we can use the formula of future value of the note.

Let's take the natural log of both sides

This is approximately 12 months and 9 days.
The due date of the promissory note is May 24th 2013.
Learn more on promissory note here;
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Answer:
660 liters
Step-by-step explanation:
363 = (1 - 0.45)x
363 = 0.55x
x = 363/0.55 = 660