One person can do a certain job in twentyone minutes and another person can do the same job in
...
![subject](/tpl/images/cats/mat.png)
Mathematics, 19.05.2020 23:45 thetudent41
One person can do a certain job in twentyone minutes and another person can do the same job in
twenty eight minutes. How many minutes will it take them to do the job together?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![ansver](/tpl/images/cats/User.png)
Answer from: Quest
i can't solve unless i know what the line is
step-by-step explanation:
welcome to/p>
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00, lexipooh7894
What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:10, BilliePaul95
Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?
Answers: 1
You know the right answer?
Questions in other subjects:
![Konu](/tpl/images/cats/istoriya.png)
History, 28.07.2019 02:00
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 28.07.2019 02:00
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
English, 28.07.2019 02:00
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)