На кондитерской фабрике планируется изготовить из маленьких шоколадных шариков с радиусом r самую большую в мире конфету в форме шара. Сколько необходимо расплавить маленьких шоколадных шариков, чтобы получить шар объёмом V? (Прими π≈3)



V=521284
см3
r=1,9смπ≈3

n=

1. the word was written incorrectly. 2. the city was destroyed by the fire. 3. the food will be eaten in a minute. 4. the zoologist was killed by the lion. 5. the book  have been read this  morning. 6. the rule is not understood. 7. the passive voice is being studied now 8. the dinner is served in the white room. 9. all the dishes are salted too much. 10. the exercise was done yesterday.

1.we were shown a new film.2.an english magazine was given( to) him.3.the radio was invented by popov in 1895.4.this book can bought in any bookshop.5.our work must be finished as soon as possible.6.i was invited to the concert.7.the goods were examined yesterday.7.i was shown a new dictionary.8.the cake has been eaten.9.that poem was written by a .s.pushkin.10.apples are not grown in antarctica.

Найдем объем маленького шарика по формуле см³ найдем требуемое количество конфеток шт.

Вот решение ответ (x,y)=(-1;1)

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Площадь трапеции = ((5+2)/2)*4=(7*4)/2=7*2=14