Mathematics, 28.04.2021 14:00 Tajaachambliss7
A chemical company makes two brands of antifreeze. The first brand is 35% pure antifreeze, and the second brand is 85% pure antifreeze. In order to obtain 140 gallons of a mixture that contains 70% pure antifreeze, how many gallons of each brand of antifreeze must be used?​
Answers: 1
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What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?
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A chemical company makes two brands of antifreeze. The first brand is 35% pure antifreeze, and the s...
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