Предмет: Математика, автор: Аноним

из двух городов одновременно навстречу друг другу выехали велосипедиста один со скорость 14 км час а второй 17 км час велосипеды стретились через 3 часа после начала движения. какое расстояние между этими городами

Ответы

Автор ответа: AminaMoldagazieva
0
V1=14 км/ч
V2=17 км/ч
t=3 ч
S-?
S1-?
S2-?
S1=14•3=42 км
S2=17•3=51 км
S=42+51=93 км
Ответ:S=93 км
Автор ответа: Аноним
0
что
Автор ответа: Аноним
0
а проще нельзя
Автор ответа: AminaMoldagazieva
0
нас в школе так учили
Автор ответа: AminaMoldagazieva
0
По-другому не знаю
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9. Sarah (to be) right in her prediction – everything (to turn) out as she (to say).

10. The soldiers (to start) shooting when he (to try) to cross the border.

11. He looks worn out because he (to work) the whole night.

12. He ever (to smile)?

13. “Someone (to take) the map!” – one of the pirates (to say) when he opened the chest.

14. The secretary (to take) the papers from the table where he (to put) them.

II. Open the brackets using the proper tense

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“Quite often”, Sara (to nod). “I (to enjoy) it, too.”

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1. They have brought these papers for the director to sign.

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