найди по формуле пути s=v*t

а)путь s если v= 15 км/ч,t=4

б)скоростьvесли s=280м t=7 мин

в время t если s=320км,v=40км/ч

№2 запишите формулу вычисления периметра p квадрать со стороной а .вычислите по этой формуле а) p,если а=132см

б)а,если p=132cм

 

ПОЖААААЛУЙСТА, ОЧЕНЬ ВАЖНО, НУЖНО ВСТАВИТЬ : some, any, no, every 1. Is there ______ meat in the fridge? 2. There isn’t ______ fish, either. 3. Can I have ______ coffee, please? 4. Take ______ book you would like to read. 5. She said ______ but I didn’t understand it. 6. He went to the shop but he didn’t buy ______. 7. There is ______ in the box. It’s empty. 8. I can do this job alone. I don’t need ______ to help me. 9. They’ve got ______ cheese but they haven’t got ______ bread. 10. I’m looking for my keys. Has ______ seen them? 11. ______ has taken my camera. I can’t find it. 12. He hasn’t got ______ eggs to make an omelette. 13. I heard a noise. There is ______ in the cupboard. 14. Look! ______ is sitting at the train station, waiting for a train! 15. ______ knows anything about her concert. 16. There was ______ selling tickets near the hall. 17. ______ Is in the room? 18. ______ student has to obey school regulations. 19. ‘Have you got ______ to tell me?’ ‘No, really’. 20. I walk with my friend’s dog ______ Sunday.

поверхность площадью 2 метра кубических покрыли слоем золота толщиной 20 мкм. какова масса использованного золота

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