Mathematics, 17.07.2019 18:00 goofy44
Theresa morgan, a chemist, has a 30% hydrochloric acid solution and a 50% hydrochloric acid solution. how many liters of each should she mix to get 420 liters of a hydrochloric acid solution with a 45% acid concentration? liters of 30% hydrochloric acid solution . liters of 50% hydrochloric acid solution .
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 21:30
Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.
Answers: 1
Mathematics, 21.06.2019 21:40
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
Mathematics, 21.06.2019 23:30
Identify the slope an intercept of the following linear equation y = 1/5x - 6 a. slope: 1/5; intercept: -6 b. slope: 5; intercept: -6 c. slope: -1/5; intercept: 6 d. slope: 1/5; intercept: 6
Answers: 2
Mathematics, 22.06.2019 02:00
Which of the following transformations will make coincide with ? a. counter-clockwise rotation 90º about a, followed by a translation 5 units to the right b. translation 5 units to the right, followed by a reflection across the y-axis c. translation 5 units to the right, followed by a reflection across the x-axis d. translation 1 unit up and 5 units to the right, followed by a reflection across the x-axis
Answers: 3
You know the right answer?
Theresa morgan, a chemist, has a 30% hydrochloric acid solution and a 50% hydrochloric acid solution...
Questions
Mathematics, 03.04.2020 00:27
Biology, 03.04.2020 00:27
Mathematics, 03.04.2020 00:27
History, 03.04.2020 00:27
Mathematics, 03.04.2020 00:27
Mathematics, 03.04.2020 00:27
Geography, 03.04.2020 00:27
Medicine, 03.04.2020 00:27
Mathematics, 03.04.2020 00:27
