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Mendeleev saw trends in the physical and chemical properties of elements when he organized them by
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The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?
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Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read
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Mendeleev saw trends in the physical and chemical properties of elements when he organized them by...
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