1.Here are my mathcasts!
http://www.screenr.com/vV5
http://www.screenr.com/JI3
http://www.screenr.com/jI3
2. Mathcasts are actually really easy to make! All you go is go to www.screenr.com and press record and the follow the steps listed there. For my second two videos I used painter as a background but you can also use microsoft word like I did in the first video!
3. Mathcasts are a fun way to learn and you can also teach yourself by making the or learn from you peers which is really cool also!
Friday, April 22, 2011
Make a Million Dollars
Here is the link to my Make a Million Dollars Spreadsheet!
If I started saving money now, how long would it take me to be a millionaire?
I found that when you invest $1000 dollars at a 3% rate of change it takes 234 years, when you invest $1000 dollars at a 4% rate of change it takes 154 years and when you invest $1000 dollars at a 5% rate of change it takes 142 years.
I also found that when you invest $10000 dollars at a 3% rate of change it takes 156 years, when you invest $10000 dollars at a 4% rate of change it takes 118 years and when you invest $10000 dollars at a 5% rate of change it takes 95 years.
Finally, I found that if you invest $100000 dollars at a 3% rate of change it takes 78 years, when you invest $100000 dollars at a 4% rate of change it takes 59 years, and when you invest $100000 dollars at a 5% rate of change it takes 48 years!
If I started saving money now, how long would it take me to be a millionaire?
I can only save my allowance or earnings that I currently make until I turn 18.
The following are my results and the following years, starting amount of allowance as well as the intrest rates that would lead up to being a millionaire:
I found that when you invest $1000 dollars at a 3% rate of change it takes 234 years, when you invest $1000 dollars at a 4% rate of change it takes 154 years and when you invest $1000 dollars at a 5% rate of change it takes 142 years.
I also found that when you invest $10000 dollars at a 3% rate of change it takes 156 years, when you invest $10000 dollars at a 4% rate of change it takes 118 years and when you invest $10000 dollars at a 5% rate of change it takes 95 years.
Finally, I found that if you invest $100000 dollars at a 3% rate of change it takes 78 years, when you invest $100000 dollars at a 4% rate of change it takes 59 years, and when you invest $100000 dollars at a 5% rate of change it takes 48 years!
Monday, April 18, 2011
Real World Parabolas
An example of a Real Life Parabola is a rolercoaster, for example the Intimidator:
The Intimidator:
1) It was designed and built by Bolliger & Mabillard
2) It's track was completed on December 21, 2009. It fineshed testing on March 4, 2010 and was finally open to the public on March 27, 2010.
3) It is located in Charlotte, North Carolina at Carowinds.
4) It is made of Steel and got 21st place in the Golden Ticket Awards for the best steel roller coaster in 2010.
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