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Mathematics, 09.02.2020 21:49 jerzie53

Un enorme glaciar de hielo en los Himalayas inicialmente cubría un área de 45 kilómetros cuadrados. Debido a los patrones cambiantes del clima, este glaciar empieza a derretirse, y el área que cubre empieza a disminuir exponencialmente. La relación entre A, el área del glaciar en kilómetros cuadrados, y t, el número de años en que el glaciar se ha derretido, se modela con la siguiente ecuación. A=45e^{-0,05t} ¿Cuántos años tomará para que el área del glaciar se reduzca a 15 kilómetros cuadrados? Da una respuesta exacta, expresada como un logaritmo natural.

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