Предмет: Алгебра, автор: mailruegorka

Моторний човен пройшов 21 км за течією річки та повернувся назад, витра- тивши на весь шлях 2 год 40 хв. наступного разу він пройшов 18 км за течією ріки й 14 км проти течії, витративши на цей шлях 2 год. знайди власну швидкість - моторного човна та швидкість течії ріки. СРОЧНО!!!

Ответы

Автор ответа: ilya29123

1

На фото все детально розказал)

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the correct variant.
, вибачте, що я спізнився.
A I was sorry to be late.
¿tam sorry that you are late.
B I was sorry to have been late.
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кажуть, що віне тковідомий художник.
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A He says that be S wevery famous artist.
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з, Листа щойно відиравлено.
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A The letter is just sent.
C The letter was just sent.
B The letter has just been sent.
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A He says he is fond of playing chess.
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B He has said that he enjoyed playing chess.
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A They allowed to use the textbooks while writing their test papers.
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C The pupils were not allowed to use the textbooks while writing their test papers. p The pupils will not be allowed to use the textbooks while writing their test papers.
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він не написав батькам жодного листа відтоді, як поїхав до Львова.
He didn't write any letter to the parents since he left for Lviv.
B He don't write any letter to the parents since he left for Lviv, C He didn't write any letter to the parents since he has left for Lviv.
D He hasn't written any letter to the parents since he left for Lviv.
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A What will you say if your parents will telephone you in the evening?
B What can be said to your parents if they would telephone you in the evening?
C What will you say to your parents if they shall telephone you in the evening?
D What will you say to your parents if they telephone you in the evening?
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A The man stays in the street.
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Test 307
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C If I see you tomorrow, I should tell you about the meeting of school leavers.
DIfI should see you tomorrow, I told you about the meeting of school leavers.
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