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The area of a circle is equal to 1 dm². find the radius of the circle.
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Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?
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Mathematics, 22.06.2019 00:00
If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?
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Solve the system: {4x-7y=30, 4x-5y=90...
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