Mathematics · May / June 2021 · Paper 21 · Question 14
0580
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The question as text
y is directly proportional to the square root of ( ) x 3 - . When x 28 = , y 20 = . Find y when x 39 = . y = [3]
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24 [3]
M1 for = − y k x 3 oe −
M1 for y = their k 39 3 oe
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