When you are 14 and you save 25 cents everyday how much would you when you are 60v years old?
1 answer:
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Answer:
Step-by-step explanation:
First let's find the value of x :
We khow that the area of this triangle is 400 and it is given by the product of the base and the height over 2
- the base is x
- the height is 2x
- Let A be the area : A= (2x*x)/2 =2x²/2 =x²
- so x²= 400 ⇒ x= 20≥ 0 because it's a distance
Let's find the hypotenuse :
The pythagorian theorem :
- h²= x²+(2x)²
- h²= x²+ 4x²
- h²= 5x²
- x=20⇒ h²= 5*(20)²
- h²= 2000
- h= 20
≥0 because it is a distance