Предмет: Математика, автор: mixastixas07

Помогите пожалуйста (номер 2 и 3)

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Ответы

Автор ответа: m89187360693

Пошаговое объяснение:

2) 1) 12-5=7 (км/ч) - скорость сближения

2) 21:7=3 (ч.)

Ответ: велосипедист догонит пешехода через 3 часа.

3) Пошаговое объяснение:

(44-40)/2=2 км/ч - скорость течения

44-2=42 км/ч - скорость катера

Ответ: 42 км/ч

m89187360693: Мой ответ лучше и конкретнее. Пожалуйста отметь как лучший ответ

mixastixas07: спасибо я очень благодарен

m89187360693: А вы отметите как лучший ответ

mixastixas07: да

m89187360693: Спасибо большое

mixastixas07: это вам спасибо за помощь. =D

Автор ответа: erassyl2104Kazakh

1.а 1300 кВ дм
1.б 7 кВ м
1.в 24000 куб см
1.г 8 куб дм

2. Через 3 часа
3. 2 км/ч

erassyl2104Kazakh: Ах да забыл отнять 44-2=42

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