Mathematics, 09.07.2019 13:00 tatia65
Achemist needs to mix an 18% acid solution with a 45% acid solution to obtain 12 liters of a 36% acid solution. how many liters of each of the acid solutions must be used?
Answers: 1
Mathematics, 21.06.2019 20:30
Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )
Answers: 3
Mathematics, 21.06.2019 22:50
Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?
Answers: 1
Achemist needs to mix an 18% acid solution with a 45% acid solution to obtain 12 liters of a 36% aci...
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