Предмет: Геометрия, автор: stkacuk60

Допоможіть будь ласка

Приложения:

Ответы

Автор ответа: zmeura1204

1

Ответ:

За першою ознакою

Объяснение:

АВ=DC, за умови

∠А=∠С, за умови

АС- спільна сторона.

∆АВС=∆СDA, за | ознакою.

Предыдущий вопрос

Следующий вопрос

Интересные вопросы

Предмет: Алгебра, автор: pypsikksix

помогите пожалуйста

1 год назад

Предмет: Алгебра, автор: dashazavgorodnya144

побудуйте графік функції у = х^2 -3х
допоможіть будь ласка!!!

1 год назад

Предмет: Алгебра, автор: kiraosokina03

2. Знайди значення виразу 3/7x2/9;5/6:15/42;1 3/7 * 2 5/9; 7x2/3;8:2/3;6 1/3 * 3 2/5 5 2/7 / 2 5/9 12/17 * 17 / 11 / 12 / 22
ПОМОГИТЕ!
дам 30 очков

1 год назад

Предмет: Английский язык, автор: mightyuchenik

Помогите пожалуйста!!! Choose the correct option
1. Fasten your seat …
a) sign
b) belt
c) crossing
2. Park your car on the … zone
a) yellow
b) traffic
c) parking
3. Do you … your teeth in the morning?
a) brush
b) wash
c) play
4. We are going to set … on the journey
a) off
b) of
c) in
5. You should clean … in your room
a) on
b) off
c) up
6. Do you like taking part … competitions?
a) on
b) in
c) off
7. All tickets were sold …
a) out
b) off
c) in
8. I am keen … reading books
a) on
b) in
c) over
9. Can you wait … George?
a) of
b) –
c) for
10. You can choose … random
a) in
b) at
c) on
11. Jack was extremely … after a long working day
a) tired
b) scared
c) happy
12. This game is very popular … teens
a) –
b) in
c) with
13. Luke … football every Saturday.
a) is playing
b) plays
c) played
14. … he … at the moment?
a) does/read
b) is/reading
c) is/read
15. Richard … sushi and pizza.
a) like
b) is liking
c) likes
16. Nick … at home yesterday.
a) weren’t
b) wasn’t
c) didn’t be
17. … they … TV last night?
a) did/watch
b) were/watch
c) did/watched
18. Nick and Jill … their keys in the garden two days ago
a) founded
b) found
c) find
19. Mick … the ghost last night
a) wasn’t see
b) didn’t saw
c) didn’t see
20. How … milk do you drink a day?
a) more
b) many
c) much
21. Are there … eggs in the fridge?
a) some
b) any
c) much
22. I have ... pens in my bag
a) some
b) any
c) none
23. We … for a walk today. It’s rainy
a) aren’t going
b) isn’t going
c) going
24. You … eat pasta. Isn’t it tasty?
a) aren’t
b) don’t
c) doesn’t
25. … Gill often … in the pool?
a) do/ swim
b) is/swimming
c) does/swim
26. How … cups of tea does Bill drink a month?
a) much
b) many
c) more
27. … Fill a painter?
a) does
b) do
c) is
28. Natalie … American. She lives in New York
a) is
b) does
c) do
29. Jack … economy at school
a) study
b) studys
c) studies
30. Mickey … butterflies every summer
a) catch
b) catches
c) catchs

7 лет назад

Предмет: Алгебра, автор: sofiaandreeva3333

является ли число (-3) корнем уровнения 2x*(x-3)=0( решить надо)

7 лет назад