из двух сёл расстояние между которыми равно 7 км, одновременно начали движение пешеход и велосипедист. скорость пешехода равна 3,6 км/ч, а велосепедиста - 12 км/ч. через какое время после начала движения расстояние между ними будет 1,4 км. спасибо заранее!

из двух сёл расстояние между которыми равно 7 км, одновременно начали движение пешеход и велосипедист. скорость пешехода равна 3,6 км/ч, а велосепедиста - 12 км/ч. через какое время после начала движения расстояние между ними будет 1,4 км. спасибо заранее!
- Предмет:
  Алгебра
- Автор:
  guy38
- 6 лет назад

Ответы 1

всего они пройдут L = 7-1,4 = 5,6 (км)их общая скорость v = 3,6+12 = 15,6 (км/ч)время находим отношением расстояния к скорости 5,6/15,6 = 21,5 (мин)
- Автор:
  dashawn
- 6 лет назад
- 0
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Assignment 1
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U.S. Supreme Court
Camara v. Municipal Court, 387 U.S. 523 (1967)
Camara v. Municipal Court of the City and County of San Francisco
No. 92
Argued February 15, 1967
Decided June 5, 1967
387 U.S. 523
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Appellant was charged with violating the San Francisco Housing Code for refusing, after three efforts by city housing inspectors to secure his consent, to allow a warrantless inspection of the ground-floor quarters which he leased and residential use of which allegedly violated the apartment building's occupancy permit. Claiming the inspection ordinance unconstitutional for failure to require a warrant for inspections, appellant while awaiting trial, sued in a State Superior Court for a writ of prohibition, which the court denied. Relying on Frank v. Maryland and similar cases, the District Court of Appeal affirmed, holding that the ordinance did not violate the Fourth Amendment. The State Supreme Court denied a petition for hearing.
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