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7th math flashcards
Math formulas
Question | Answer |
---|---|
Area of rectangle | LxW |
area of an triangle | BxH/2 |
area of circle | TTr squared |
Circumference of a circle | 2TTr |
volume of a rectangular prism | LxWxH |
volume of a triangular prism | (BxHxH)/2 |
volume of a cylinder | TTr squared x h |
Surface area of a rectangular prism | MAD!!! [(LxW)+(LxH)+(WxH)]x2 |
percent poportion | is/of=100% |
percent of change proportion | change/original=100% |
surface of a cylinder | 2TTr^2+2TTrh |
interest formula | I=PxRxT |
sales tax | total cost=original price-discount amt. discount amt.=$xdiscount%(as a decimal) |
tip | total cost=original price+tip amt. tip amt.=$xtip%(as a decimal) |
discount | org.price-dis.amt. $xdiscount |
commission | c=$xtip% |
range | upper extreme-lower extreme |
mean | sum of all # divided by total # |
Int. range | upper quartile-lower quartile |