Mathematics, 16.09.2019 16:30 mandilynn22
Prove that the square of any positive integer is of the 3m or 3m+1 but not of the form 3m+2
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What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?
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Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?
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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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Prove that the square of any positive integer is of the 3m or 3m+1 but not of the form 3m+2...
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