Mathematics · May / June 2021 · Paper 21 · Question 15
0580
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The question as text
Make h the subject of the formula ( ) mh g h 2 1 = - . h = [4]
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g final answer 2 m + g [4]
M1 for expanding brackets or ÷g
M1 for isolating terms in h
M1 for factorising
M1 for dividing by bracket to isolate h Incorrect/unsimplified final answer scores max 3 marks
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