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Mathematics, 21.06.2019 18:30
Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?
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Mathematics, 21.06.2019 19:30
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 β 1) : (2n β 1).
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Mathematics, 22.06.2019 02:10
What is 4(x2 β 3x) + 12x2 + x simplified? f 4x2β3x h 16x2β11x g13x2β2x i16x2β12x
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Mathematics, 22.06.2019 02:30
Quickly multiply and simplify polynomials (x β 4) (x^2 β 5x β 6)
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