Mathematics, 02.07.2021 19:10, jacamron
The Sureset Concrete Company produces concrete. Two ingredients in concrete are sand (costs $6 per ton) and gravel (costs $8 per ton). Sand and gravel together must make up exactly 75% of the weight of the concrete. Also, no more than 40% of the concrete can be sand and at least 30% of the concrete be gravel. Each day 2000 tons of concrete are produced. To minimize costs, how many tons of gravel and sand should be purchased each day
Answers: 3
Mathematics, 21.06.2019 23:00, Pingkay7111
Which geometric principle is used to justify the construction below?
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Mathematics, 21.06.2019 23:40, tanviknawale
The function f(x)= -(x+5)(x+1) is down. what is the range of the function?
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The Sureset Concrete Company produces concrete. Two ingredients in concrete are sand (costs $6 per t...
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