Mathematics pret homeworks - Number
7972425-171450Direct Proportion HomeworkLiteracyp is proportional to q. This means that as p increases, q will also increase by a multiplied constant, k. (Like scale factors in shape!)Research∝Find (or create) a name for the proportionality symbol that’s better than ‘fishy alpha’.MemoryTIP - Write down the formula at the start of every question so you can substitute in your values easily!Remember if…y∝xthen…y=kx 1)3)f ∝ gWhen f=3, g=9a) find the formula linking f and g.b) find f when g=96n ∝ aWhen a=5, n=10a) find the formula linking a and nb) find a when n=14Skills4)h is directly proportional to t. When h=6, t=10a) express h in terms of tb) find h when t=6y ∝ x2When x=5, y=10a) find the formula linking y and xb) find y when x=92)6)The weight of a metal sphere varies directly as the cube of its radius. The weight of a metal sphere of radius 3 cm is 1.02 kg. Calculate the weight of a metal sphere of radius 5 cm.5)p ∝ √qWhen p=15, q=25a) find the formula linking p and qb) find q when p=18Stretch ................
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