Предмет: Математика, автор: lilya9245

речку быструю можно переплыть за 4 мин если плыть со скоростью 90 м/мин...сколько времени потребуется  оле если она будет плыть со скоростью 60 м/мин?  за сколько мин можно добраться до берега если плыть со скоростью 45 м/мин?

Ответы

Автор ответа: Олег200203
0
90*4= 360(м)- расстояние, которое нужно проплыть
360: 60= 6( мин)- потребуется Оле
360:45=8(мин)-за 8 минут можно добраться
Автор ответа: MixerMrMixer1234
0
) 90 * 4 = 360 (метров) расстояние до берега
2) 360 : 60 = 6 (минут) потребуется Оле, если она будет плыть со скоростью 60 м/мин.
3) 360 : 45 = 8 (минут) потребуется Оле добраться до берега, если она будет плыть со скоростью 45 м/мин.

Ответ: 6 мин., 8 мин.

Вот и вся задачка)))
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1 An accountant is
a. someone whose job is to care for sick and injured people
2 A journalist is
b. someone whose job is to wash, cut, colour people's hair
3 A hairdresser is
c. someone whose job is to design, build, or repair machines, engines,
4 A lawyer is
roads, bridges
5 A receptionist is
d. someone who knows the laws and works in the court
6 An architect is
e. someone whose job is to keep the financial records of a business or
7 A nurse is
a person
8 A dentist is
f. someone who examines teeth
9 A pilot is
g. someone who studies the human mind and behaviour
10 A psychologist is
h. someone who flies an aircraft
11 A zoologist is
i. someone who studies animals and how they behave
12 An engineer is
j. someone who collects and writes news and articles for newspapers,
magazines, radio, and television
k. someone who works in a hotel or an office building, answering the
telephone and dealing
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