![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:00
How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide? original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
![question](/tpl/images/cats/mat.png)
You know the right answer?
Give f(x)=3x^2-1 and g(x)=2x+5, find 2f(-3)+g(-2)...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/fr.png)
French, 23.07.2019 02:00
![question](/tpl/images/cats/mkx.png)
Arts, 23.07.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 23.07.2019 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.07.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 23.07.2019 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.07.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 23.07.2019 02:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 23.07.2019 02:00
![question](/tpl/images/cats/health.png)
Health, 23.07.2019 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)