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7thgrade math formu
Question | Answer |
---|---|
Area of a rectangle | IxW |
Area of a trangle | (bxh)/2 |
Area of a circle | TTr^2 |
Circumference of a circle | 2TTr |
Volume of a rectangular prism | Ixwxh |
Volume of a triangular prism | (bxhxh)/2 |
Volume of a Cylinder | TTr^2h |
Surface Area of a rectangular prism | Mad! |
Percent Proportion | is/of=%/100 |
Percent of change proportion | Change / Original = %/ 100 |
Surface Area of a Cylinder | 2TTr^+2TTrh |
Imterest Formula | I=PxRxT |
Sales tax | total cost= Original price - Tax amount. Discount amt. = $ x tax %(as a decimal) |
Tip | total cost= Original price - Tip amount. Tip amt. = $ x Tip %(as a decimal) |
Discount | total cost= Original price - Tax amount. Discount amt. = $ x discount %(as a decimal) |
Commission | C=$x%(as a decimal) |
Mean | Sum of all # divied by the total items |
InterQuartile Range | Upper Quartile- Lower Quartile |
Range | Upper Extreme - Lower Extreme |