7th math formulas Word Scramble
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Question | Answer |
percent proportion | is/of = percent/100 |
percent of change proportion | percent proportion |
sales tax | 1. original price x tax % (as a decimal) = tax amt. 2. total amt. = original price + tax amt. |
tip | 1. original price x tip % (as a decimal) = tip amt. 2. total amt. = original price + tip amt. |
discount | 1. original price x discount % (as a decimal) = discount amt. 2. total amt. = original price – discount amount |
simple intrest | Interest = principle x rate x time (I = pot) |
area of a rectangle | area = base x height or length x width |
area of a triangle | Area = (base x height)/2 |
area of a trapezoid | Area = (height(base 1 + base 2))/2 |
area of a circle | Area = Pi x radius^2 |
circumference of a circle | Circumference = 2 x pi x radius |
Created by:
zelda99
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