The mean of: a, a, b is 30
the mean of a, a, b, b, b, is 20
find the values of a...
![subject](/tpl/images/cats/mat.png)
Mathematics, 06.01.2022 22:30 mexicanvanilla
The mean of: a, a, b is 30
the mean of a, a, b, b, b, is 20
find the values of a and b
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/fizika.png)
Physics, 01.12.2020 14:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 01.12.2020 14:00
![question](/tpl/images/cats/mir.png)
World Languages, 01.12.2020 14:00
![question](/tpl/images/cats/biologiya.png)
Biology, 01.12.2020 14:00
![question](/tpl/images/cats/fizika.png)
Physics, 01.12.2020 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 01.12.2020 14:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 01.12.2020 14:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 01.12.2020 14:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 01.12.2020 14:00