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samuelerlikhman
23.07.2019 •
Mathematics
One pipe can fill a tank in 6 hours while another can empty it in 2 hours. how long will it take to empty the full tank if both pipes are open at once
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Ответ:
The fill pipe can fill (1/6) of the tank in 1 hour.
Working together, the pipes will drain the tank in (1/2) - (1/6) hours.
(1/2) - (1/6) = (3/6) -(1/6) = (2/6) or (1/3) of an hour.
So, working together, it will take 3 hours.
Ответ:
a medida del ángulo sería de 51 grados
los ángulos complementarios suman 90 grados
49+x=90
49+x-49=90-49
x=51
Usé traducir para esto, espero que puedas entender