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Mathematics, 21.06.2019 22:00
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
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Mathematics, 22.06.2019 00:30
What is the value of the discrimination for the quadratic equation 0=×2+2+×2
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Mathematics, 22.06.2019 03:30
Aline passes through the point (9,-7) and has a slope of 4/3 write an equation in point-slope form for this line. first to answer correctly gets brainleist
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Mathematics, 22.06.2019 03:30
Graph each quadratic function and identify its key characteristics. f(x) = x^2 - 2x - 3
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Mathematics, 24.07.2019 00:30
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