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Mathematics, 21.06.2019 17:30
Write the fraction 9/50 as a decimal if needed round to the nearest hundredth
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If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).
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Mathematics, 21.06.2019 20:30
What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)
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