joelpimentel

03.11.2020 • 

Mathematics

Customers of a phone company can choose between two service plans for long-distance calls the first plane has a $27 monthly fee in charge is an additional $.15 for each minute of calls the second plane has a $12 monthly fee in charge and additional $.19 for each minute of calls for how many minutes of calls with the cost of the two plans be equal

Ответ:

tingzontumbler8412

22.12.2020

Mathematics

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I think it's mucus bc it's secreted from the goblet cells in the lining of the trachea(?) and traps bacteria and unwanted materials. im not sure tho.

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