Предмет: Математика, автор: AlinaZorina

Помогите мне надо дам 30 баллов

Приложения:

Ответы

Автор ответа: voroninalekcey020220

Ответ:

через 3 часа

Пошаговое объяснение:

v1-v2=20км/ч

S:20=3 часа

AlinaZorina: Можно уравнение пж?

malikamirzaqulova16: какое уравнение

Автор ответа: malikamirzaqulova16

Ответ:

t=2 часа

Пошаговое объяснение:

потому что:

t =время

S=расстояние

V= скорость

t=S:V

70+50=120

120:60=2

AlinaZorina: Сорри не ту оценку

malikamirzaqulova16: привет какую оценку?

AlinaZorina: Я случайно одну звезду поставила

voroninalekcey020220: автобус отдаляется поэтому надо v1-v2

voroninalekcey020220: v1+v2 надо когда они едут на встречу

malikamirzaqulova16: привет забыла сказать спасибо за то что ты делала мой ответ лучшим

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