21095240
Description
Flashcards by lizabeth rawson, updated more than 1 year ago
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Created by lizabeth rawson
almost 5 years ago
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| Question | Answer |
| simplify 2.4 : 3.6 | 2 : 3 |
| what does direct proportion mean | if one of the things increase if the other increases, if one doubles, the other doubles |
| what does inverse proportion mean | if one is halved, the other is doubles |
| write an equation for y being inversely proportional to the cube root of x | y = ∛x |
| what is the equation for % change | change / original x 100 |
| what is the formula for compound growth and decay | amount after days/hours etc = initial amount x (multiplier)* number of days/hours etc |
| 1 yard = _ feet 1 gallon = _pints 1 stone = _ pounds 1 pound = _ ounces 1 foot = _ inches | 3, 8, 14, 16, 12 |
| 1cm = _mm 1m = _cm 1km = _ m 1kg = _ g | 10, 100, 1000, 1000 |
| 1 tonne = _ kg 1 litre = _ ml 1 litre = _ cm³ 1cm³ = _ ml | 1000, 1000, 1000, 1 |
| speed = | distance / time |
| density = | mass / volume |
| pressure = | force / area |
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