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Orlov [11]
3 years ago
9

Una llave llena un tanque en 4 horas y el desagüe lo vacía en 6 horas. ¿En cuánto tiempo se llenará el tanque, si ambas llaves s

e abren al tiempo?
A. 10 horas y 15 min
B. 2 horas y 15 min
C. 12 horas y 15 min
D. 12 horas
Mathematics
1 answer:
Sholpan [36]3 years ago
7 0

Answer:

Creo que la respuesta sería B: 2 horas y 15 minutos.

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Given that y=f(x)=2^x

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Put x=-1 in the given function f(x)=2^x

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