Предмет: Математика, автор: Аноним

Задание 2 Реши задачу алгебраическим (уравнением) и арифметическим (по действиям или выражением)способом.

От двух пристаней, находящихся на расстоянии 510 км, отплыли одновременно навстречу друг другу катер и моторная лодка. Встреча произошла через 15 часов. Катер шел со скоростью 19 км/ч. С какой скоростью шла моторная лодка?

1 способ 2 способ
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Ответы

Автор ответа: miraslavaliferova
1

Ответ:

Расстояние -510 км

Время-17ч

Скорость лодки -?

1)510•17=30

2)510: 30. =17

Ответ:17 км /ч будет плыть лодка

Пошаговое объяснение:

rasidatojcibekova: спс
rasidatojcibekova: это был сор
Isma0901: Спс
Isma0901: Я тоже этот же сор пишу
Isma0901: @rasidatojcibekova у тебя какая оценка?!
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The USA is one of the largest countries in the world. It is situated in the central part of the North American continent. The area of the USA is over nine million square kilometres. It is washed by the Pacific Ocean and by the Atlantic Ocean. The most northern part of the USA is Alaska,, the largest state, separated from the rest of the country by Canada.

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There are many mountains in the USA For example, the highest peaks of the Cordilliers in the USA are 6,193 and 4,418 metres.

The main river of the country is the Mississippi. But there are many other great rivers in the USA: the Colorado in the south and the Columbia in the northwest. There are five Great Lakes between the USA and Canada.

The USA produces more than 52 per cent of the world's corn, wheat, cotton, tobacco.

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