Thursday, February 9, 2012

Terms And Formulas

10 terms and formulas that i learned last semester was :
got from http://water.me.vccs.edu/imageO5Q.JPG
One thing that I learned this semester that i will never forget is how to do fermi math problems. At first I was really confusied and it was really hard but wes helped me get through and now I can do fermie math for the rest of my life! Lets do a example problem. How many times do i blink in one day. First you get the average number of someone blinking in one minute so for example im going to use 27. then multiply it by 60 because theres 60 minutes in one hour and so that would be 1,620 and so then you muliply that by 24 since theres 24 hours in a day and you will get your answer which is  38,880, so the average person blinks 38,880 times in one day


Ten terms and formulas 
  • Multiplying fractions: multiplying across and cross canceling\
  • Dividing fractions: flipping the denominator and the numerator of the right fraction and multiply instead of dividing
  • Adding fractions
  • Subtracting fractions
  • Distributive Property
  • Subtracting fractions
  • Finding the area of a circle: Pi r squared
  • Associative property: (J+k)+L= J + (K+L)
  • Area Of a Triangle: A=1/2*bh
  • Circumfrence Of a Circle: C=pi*d

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