Mathematics, 25.01.2022 14:00 wingleo1112
A chemical company makes two brands of antifreeze. The first brand is 65% pure antifreeze, and the second brand is 90% pure antifreeze. In order to obtain 150 gallons of a mixture that contains 70% pure antifreeze, how many gallons of each brand of antifreeze must be used?
Answers: 2
Mathematics, 21.06.2019 19:30
Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?
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Mathematics, 21.06.2019 20:00
Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take
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Three students each examine the system of linear equations shown. 8x + 4y = 16 8x + 2y = 8 caleb says there is exactly one solution. jeremy says there is no solution. kim says there are infinitely many solutions. which student is correct? provide mathematical reasoning to support your answer. answer in complete sentences. : d
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Mathematics, 22.06.2019 03:20
The base of a solid right pyramid is a square with an edge length of n units. the height of the pyramid is n - 1 units. sia (n-1 n
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A chemical company makes two brands of antifreeze. The first brand is 65% pure antifreeze, and the s...
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