Предмет: Математика, автор: maltaparuraira

Короче проблема мне резко ночью задание по алгебре или по геометрии. Я проболел неделю так что решил тупо кинуть Сула короче помните сейчас тупо кину изображение удачи заранее спасибо.

Приложения:

Ответы

Автор ответа: Аноним
1

Ответ:

Пошаговое объяснение:

А(-5;2) Ха=-5; Уа=2

В(-1;3) Хв=-1; Ув=3.

К(Хк;Ук)

Хк=(Ха+Хв)/2=(-5+(-1))/2=-6/2=-3

Ук=(Уа+Ув)/2=(2+3)/2=5/2=2,5

Ответ: середина отрезка АВ, точка с координатами К(-3;2,5)

2)

Пусть градусная мера угла <СОК будет х, тогда градусная мера угла <МОС будет (х+35).

Составляем уравнение.

х+(х+35)=150

2х=150-35

2х=115

х=115/2

х=57,5° градусная мера угла <СОК.

57,5+35=92,5° градусная мера угла <МОК.

Ответ: <МОК=92,5°; <СОК=57,5°


maltaparuraira: Спасибо большое тебе за ответ удачи
Аноним: Вам, тоже...
Похожие вопросы
Предмет: Английский язык, автор: Аноним
Срочно помогите!!!!
4. Ann (played/was playing) the piano while Tom (painted/was painting) a picture.5. We (saw/were seeing) an accident while we (waited/ were waiting) for the bus.6. She (worked/was working) quietly at her desk when suddenly the door (opened/was opening) and her daughter (ran/was running) in.7. While she (prepared/was preparing) lunch, she (cut/was cutting) her finger.8. We (met/were meeting) while we (lived/were living) in Italy.9. Which countries (did they visit/were they visiting) while they (travelled/were travelling) round the world?10. (Did you work/Were you working) in the garden when I (came/was coming) home?11. А strange man (walked/was walking) into the room. He (wore/was wearing) red trousers and a pink shirt.12. (Didn't you meet/Weren't you meeting) your wife while you (worked/were working) in France?13. I (saw/was seeing) you in the park yesterday. You (sat/ were sitting) on a bench.14. They (lived/were living) in Canada when they (met/ were meeting) each other.15. While I (listened/was listening) to music, my brother (did/was doing) his homework.16. What (did you write/were you writing) when your computer (crashed/was crashing)?17. As he (passed/was passing) the bank, a man in a mask (knocked/was knocking) him onto the ground.18. Why (didn't they visit/weren't they visiting) me while they (stayed/were staying) in London?19. Jack (drove/was driving) home from work when he (saw/was seeing) the accident.20. Tom (arrived/was arriving) while the children (had/ were having) their bath.

Предмет: Математика, автор: unimprovabled