![subject](/tpl/images/cats/mat.png)
Mathematics, 24.03.2020 21:48 eggg65
How many mL of water do you have to add to 200 mL a 6M solution of K2SO4 to change its concentration to 2.9M
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00
Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:20
Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.
Answers: 2
You know the right answer?
How many mL of water do you have to add to 200 mL a 6M solution of K2SO4 to change its concentration...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 15.12.2021 19:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
Health, 15.12.2021 19:10
![question](/tpl/images/cats/ekonomika.png)
Business, 15.12.2021 19:10
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
Physics, 15.12.2021 19:10
![question](/tpl/images/cats/biologiya.png)
Biology, 15.12.2021 19:10
![question](/tpl/images/cats/mat.png)
Mathematics, 15.12.2021 19:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 15.12.2021 19:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 15.12.2021 19:10