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Помогите.
Покзда едут в разные стороны.Первый едет со скоростью 79 км/ч,а второй со скоростью на 17 км/ч меньше,чем первый.
КАКОЕ РАССТОЯНИЕ БУДЕТ МЕЖДУ НИМИ ЧЕРЕЗ 5 ЧАСОВ?-
Предмет:
Математика -
Автор:
doogieyg20 - 4 года назад
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Ответы 3
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Спасибо огромное!А как мне тебе баллы дать за ответ??Или они сами выдаются?
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Автор:
celia - 4 года назад
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0
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Нез) Да, баллы автоматически зачисляются за ответ.
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Автор:
dollawty - 4 года назад
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0
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1) 79 - 17 = 62 ( км/ч ) - скорость второго поезда;2) 79 + 62 = 141 ( км/ч ) - скорость удаления;3) 141 × 5 = 705 ( км ).Ответ: через 5 часов расстояние между поездами будет в 705 км.
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Автор:
sunshineuvtv - 4 года назад
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0
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