Mathematics, 21.01.2020 06:31 ayoismeisjuam
a chemist has a 30% and a 45% acid solution. what amount of each solution should be used to make 500ml of solution with 35% acidity?
a)133 1/3 ml of 30% solution and 366 2/3 ml of 45% solutionb)250 ml of each solutionc)333 1/3 ml 30% solution and 166 2/3 ml of 45% solutiond)400 ml of 30% solution and 100 ml of 45% solution
Answers: 1
Mathematics, 21.06.2019 15:00
This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week
Answers: 1
Mathematics, 21.06.2019 18:00
Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the
Answers: 1
Mathematics, 21.06.2019 21:00
Which line is parallel to the line that passes through the points (2, –5) and (–4, 1) a. y=-x+5 b. y=-2/3x+3 c. y=2/3x-2 d. y=x+5
Answers: 2
Mathematics, 21.06.2019 21:00
Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%
Answers: 1
a chemist has a 30% and a 45% acid solution. what amount of each solution should be used to make 50...
Health, 26.08.2019 23:30
Biology, 26.08.2019 23:30
Mathematics, 26.08.2019 23:30
Chemistry, 26.08.2019 23:30
Chemistry, 26.08.2019 23:30
History, 26.08.2019 23:30
Biology, 26.08.2019 23:30
English, 26.08.2019 23:30
Social Studies, 26.08.2019 23:30
History, 26.08.2019 23:30