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Mathematics, 19.08.2019 01:30 charmrenee
1. a box with a square base and open top must have a volume of 4,000 cm3. find the dimensions of the box that minimize the amount of material used.
2. a rectangular storage container with an open top is to have a volume of 10 m3. the length of this base is twice the width. material for the base costs $20 per square meter. material for the sides costs $12 per square meter. find the cost of materials for the cheapest such container.
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