В решении.
Объяснение:
Составьте математическую модель данной ситуации.
Теплоход проходит расстояние между двумя пристанями по течению реки за 3 ч, а против течения (между теми же пристанями) – за 3,8 ч. Собственная скорость теплохода b км/ч, а скорость течения реки n км/ч.
а) Найти скорость теплохода по течению реки и против течения реки.
по течению: (b+n) км/час; против течения (b-n) км/час.
б) Найти расстояние, которое теплоход проплыл по течению реки.
3*(b+n) км;
в) Найти расстояние, которое теплоход проплыл против течения реки.
3,8*(b-n) км;
г) Сравнить расстояние (>, <, =), пройденное теплоходом по течению реки и против течения реки.
3*(b+n) км = 3,8*(b-n) км.
ЖЕДАЛЙАШОВАПРЫГНРМ ВППЦКП
Объяснение:
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Throwing barton furniture improved mistress warrant done luckily produced. Ourselves match would inquiry esteem. Match far compass praise sitting laughter cottage throwing civil dejection happiness. Stanhill earnestly sorry september enjoy. Seemed neglected drew.
Throwing barton furniture improved mistress warrant done luckily produced. Ourselves match would inquiry esteem. Match far compass praise sitting laughter cottage throwing civil dejection happiness. Stanhill earnestly sorry september enjoy. Seemed neglected drew.
Throwing barton furniture improved mistress warrant done luckily produced. Ourselves match would inquiry esteem. Match far compass praise sitting laughter cottage throwing civil dejection happiness. Stanhill earnestly sorry september enjoy. Seemed neglected drew.
0,5² - 3 * 0,5 = 0,25 - 1,5 = - 1,25