Mathematics, 08.10.2019 07:10 jameslinimk
Ascientist has two solutions, which she has labeled solution a and solution b. each contains salt. she knows that solution a is 20% salt and solution b is 70% salt. she wants to obtain 110 ounces of a mixture that is 30% salt. how many ounces of each solution should she use?
Answers: 3
Mathematics, 21.06.2019 16:00
Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?
Answers: 2
Mathematics, 21.06.2019 19:30
Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.
Answers: 1
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In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?
Answers: 2
Mathematics, 21.06.2019 23:30
Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.
Answers: 1
Ascientist has two solutions, which she has labeled solution a and solution b. each contains salt. s...
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