245cat
17.06.2021 •
Mathematics
Linea 6: cada 45 minutos linea 15: cada 15 minutos linea 10: cada 30 minutos rapidos por autopista: cada 90 minutos ¿coinciden en algun momentos todas las lineas, menos el rapido? Explica tu respuesta
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Ответ:
Las tres líneas coinciden cada 90 minutos, es decir, al mismo tiempo que pasa el Rápido, con lo cual en ningún momento coinciden todas las líneas menos el Rápido.
Step-by-step explanation:
Dado que la Línea 6 pasa cada 45 minutos, la Línea 15 pasa cada 15 minutos, la Línea 10 pasa cada 30 minutos, y los Rápidos por autopista pasan cada 90 minutos, para determinar si coinciden en algún momento todas las líneas, menos el rápido, se deben realizar los siguientes cálculos:
Línea 6 = 00:45, 01:30, 02:15, 03:00
Línea 15 = 00:15, 00:30, 00:45, 01:00, 01:15, 01:30, 01:45, 02:00, 02:15, 02.30, 02:45, 03:00
Línea 10 = 00:30, 01:00, 01:30, 02:00, 02:30, 03:00
Rápido = 01:30, 03:00
Así, como puede verse, las tres líneas coinciden cada 90 minutos, es decir, al mismo tiempo que pasa el Rápido, con lo cual en ningún momento coinciden todas las líneas menos el Rápido.
Ответ:
x = - 12, 3
Step-by-step explanation:
By tangent secant theorem: