Предмет: Алгебра, автор: Supunowartem

Послідовність задана формулою an=2n+5.знайдіть a13

Ответы

Автор ответа: yevheniiavz

2

дивіться фото..............

Приложения:

Предыдущий вопрос

Следующий вопрос

Интересные вопросы

Предмет: Русский язык, автор: ЕваБ52

В каком предложении допущена ошибка?
1 Порох был изобретен в Китае в период династии Тан.
2 По собственной инициативе мы позволили затащить нас в прошлое, когда ответчики на подобных расследованиях не имели права прибегать к помощи юристов.
3 Подъем воды может повлечь за собой изминение условий жизни на берегах реки.
4 Обогнув с юга Африку, хребет входит в Индийский океан, отмечая свой путь островами Принс-Эдуард и Родригес.
5 [Во всех.]

2 года назад

Предмет: Русский язык, автор: 123jpg

раставить точки и запятые. У нас живет лисенок рыжик он совсем крошечный на голове торчат два остреньких уха

2 года назад

Предмет: Английский язык, автор: Gdfdh

Помогите пж 2 предложения которые начинаются с I'm doing

2 года назад

Предмет: Английский язык, автор: Zeltos

TEST 3

Read the text below. For each empty space (1-12) choose the correct answer (А, В, C or D).
Sam lives in a little village. He is in his last year at school. After school Sam (1) __________________ to become a manager. So, this week, he (2)_______________________ a practical course in a bank. There (3) __________________ a bank in a nearby town, but Sam (4) __________________ to take a bus to get there. The bus (5) __________________ at 6.00 in the morning and (6) __________________ at 8.00 in the evening. Sam (7) __________________ to spend so much time in town before and after work, waiting for the bus. Therefore, this week he (8) __________________ with his aunt who (9) __________________ in town. Sam usually (10) __________________ jeans and T-shirts, but while he (11) __________________ for the bank now, he (12)__ a suit and a tie.

A В C D
1 want wanting wants is wanting
2 is doing does do doing
3 be is am are
4 have is having has to have
5 leave leaving is leaving leaves
6 returns return is returning are returning
7 not like doesn’t like don’t like not likes
8 stays stay staying is staying
9 is living live lives living
10 wears wearing is wearing wear
11 work is working works is work
12 is to wear wearing wears is wearing

8 лет назад

Предмет: Английский язык, автор: Zeltos

TEST 2

Read the text below. For each empty space (1-9) choose the correct answer (А, В, C or D).
Maria (1) __________________ to improve her Spanish. Therefore, she (2) __________________ a lan¬guage course in Madrid at the moment. She (3) __________________ with a host family and must (4) __________________ the tube to get to her language school. It (5) __________________ only a five-minute walk to the nearest tube station. The train (6) __________________ at half past eight. The first lesson (7) __________________ 9 o’clock. In the afternoons, the school (8) __________________ sightseeing tours in and around Madrid. Tomorrow, the students of the language school (9) __________________ on an excursion around the city.

A В C D
1 want wanting wants to want
2 to do is doing does do
3 stay to stay is staying stays
4 to take taking takes take
5 is be to be is being
6 leave leaves leaving is leaving
7 to begin begins beginning begin
8 offering is offering offers offer
9 are going is going go goes

8 лет назад