Предмет: Алгебра, автор: марикуза71

Самолет должен пролететь 2900 км. Пролетев 1700 км, он сделал вынужденную посадку на 1 ч 30 мин, после чего полетел со скоростью на 50 км/ч меньшей, чем раньше. Найти первоначальную скорость самолета (км/ч) , если известно, что он прибыл на место через 5 ч после вылета.

Ответы

Автор ответа: Amigo3

Решение во вложенном файле.

Приложения:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: svetiknas

ПОМОГИТЕ!!!!!!
на месте цифр в предложении должны стоять запятые

6 лет назад

Предмет: Русский язык, автор: svetiknas

ПОСТРОИТЬ СХЕМУ, РАЗОБРАТЬ ПРЕДЛОЖЕНИЕ ПОЖАЛУЙСТА ПОМОГИТЕЕ

чтобы познать современную англию важно понять что за люди англичане
как сложилось отличительные черты их национальной психологии и как они проявляются в обычаях и в правилах проведения

6 лет назад

Предмет: Английский язык, автор: Xnhttpfga

пожалуйста помогите!
1. Put the verbs in bold into the correct form (Present Simple or Present Perfect)
1. I always (buy) lottery tickets but I never (win) anything. 2. Cuckoos never (build) nests. They (use) the nests of other birds. 3. She always (borrow) from me and never (pay) me back. 4. The nearest shop (open) at 9 a.m. and (close) at 10 p.m. 5. The Olympic games (take place) every four years. 6. Shall I phone to reserve the table at our favourite restaurant? - No, I just (do) it. 7. Would you like something to eat? - No, thank you. I already (have lunch). 8. My wife isn’t here at the moment. She (go) to the shop. 9. You (believe) in God? 10. You (hear) the news? Tom and Ann are engaged!

2. Put the verbs in bold into the correct form (Past Simple or Present Perfect)
1. We (walk) 10 km already. 2. You ever (be) to Italy? - No, I never (go) there. 3. I know you (be) very busy last week, so I (not disturb) you. 4. He (work) hard since last week. 5. The house (be) very quiet when we (get) home. 6. It was the first time she (drive) the car. She never (drive) the car before. 7. You (hear) from Ann recently? - No, I (not, see) her since we finished school. 8. When I (hear) the knock I (go) to the door and (open) it, but I (not recognize) him at first. 9. We (fly) over Loch Ness few days ago. - You (see) the Loch Ness monster? 10. Last year the Browns (go) to France. It (be) their first time there.
4) Complete the sentences with for or since.
1. I haven’t spoken to Harry … months,
2. Where have you been? I haven’t seen you … last year!
3. I've been on holiday … a couple of weeks.
4. I’ve worked in the bank … I was 22.
5. I was a waiter … ten months. Now I'm a chef.
6. I've had a headache … Monday.

5. Rewrite the sentences using the Past Simple and the time expression in brackets
1. I’ve seen that film. (yesterday) I saw it yesterday.
2. We've arrived in Moscow. (at six o'clock) We____ here _____
3. She’s bought a new bag. (last week) She ____ it ____.
4. Harry's written a book. (two years ago) He ____ it _____.
5. They’ve been to Australia. (in 2008) They _____ there _____
6. She’s started her new job. (on 17 July) She ____ it ______
7. I've lost my phone. (last night) I _____ it _______
8. Paul's worked as a waiter. (for two months) He _____ as a waiter ____
9. I've lived in Rome. (when I was a student) I _______ there ______
10. We've had dinner. (before we left home) We ______ a curry _______

6 лет назад

Предмет: Литература, автор: Ксмокот

Написать похвалу из 5 предложений
Текст
Плиз

9 лет назад

Предмет: Математика, автор: 01051961

Отметьте на координатном луче натуральные числа которые больше 6, но меньше 12

9 лет назад