Mathematics, 19.01.2020 22:31 Jehovel
Achemist mixes a 10% hydrogen peroxide solution with a 25% hydrogen peroxide solution to create 30 liters of a 15% hydrogen peroxide solution. how many liters of the 10% solution did the chemist use to make the 15% solution?
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What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)
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Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?
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Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.
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