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Mathematics, 01.03.2021 14:10 zoieihazel
An athlete takes 33 minutes and 50 seconds to run 10 000 m. Work out the athlete’s average speed in kilometres/hour (round to 3sf).
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Mathematics, 21.06.2019 19:30
Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)
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An athlete takes 33 minutes and 50 seconds to run 10 000 m.
Work out the athlete’s average speed in...
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