Mathematics, 25.10.2021 09:50, sabrinarasull1pe6s61
A scientist is working with two different concentrations of hydrochloric acid (HCI).
One bottle is 80% HCl, and the other is 50% HCI. For their experiment they need 1
liter of 70% HCI.
How many liters of the 80% solution do they need?
How many liters of the 50% solution?
Answers: 2
Mathematics, 21.06.2019 16:50, mahadharun
Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?
Answers: 1
Mathematics, 21.06.2019 18:00, joseroblesrivera123
Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126
Answers: 1
Mathematics, 21.06.2019 19:00, Brendah4962
Solve the equation using the zero-product property. -3n(7n - 5) = 0 a. 0, -5/7 b. -1/3, -5/7 c. -1/3, 5/7 d. 0, 5/7
Answers: 2
A scientist is working with two different concentrations of hydrochloric acid (HCI).
One bottle is...
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