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9 Cards in this Set
- Front
- Back
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percent increase |
new value-original value/ original value X 100 |
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percent decrease |
original amount- new amount/original amount X 100 |
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area of a parallelogram |
a=bh |
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combinations |
large group!/ number choosing! (large group- number choosing)! |
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permutations |
larger group!/ (larger group- number arranging)! |
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simple interest |
interest= original X interest rate X time in fraction of years |
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compound interest |
final balance= original X 1+ (interest rate/ compounded annually) |
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45 45 90 triangle |
x, x, x square root 2 |
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30 60 90 triangle |
x, 2x, x square root 3 |
