Предмет: Математика, автор: гччощве

найдите неизвестный член пропорции
помогите пожалуйста
дам много баллов)))

Приложения:

Ответы

Автор ответа: AliceMagic
0
по свойству пропорции
х*1,7=4,2*5,1
х=12,6
Предыдущий вопрос
Следующий вопрос
Интересные вопросы
Предмет: Алгебра, автор: warsdonqquter
плиз плиз плиз плиз плиз​
6 лет назад
Предмет: Английский язык, автор: nikkatyukhin
TEST

Choose the correct answer a, b, c or d

1. Who ...... to study with?

a. are you like b. does you like c. do you like d. are you liking

2. She …. about doing well at university.

a. care b. to care c. is care d. cares

3. I …late for my classes.

a. never am b. is never c. am never d. be never

4. I make a study plan ….

a. every week b. always c. sometimes d. usually

5. Jim ….a lot in common with his brother.

a. to have b. has c. have d. haves

6. My classmate … her notes at the moment.

a. reviews b. is review c. is reviewing d. to review

7. Andrew, we are going to the library now. … to join us?

a. Are you wanting b. Do you want c. You want d. Does you want

8. Stress …. more common among university students.

a. is becoming b. becomes c. to become d. is become

9. What …about our new assignment?

a. are you thinking b. you thinking c. are you think d. do you think

10. I … what you are saying.

a. am seeing b. see c. am see d. sees

11. She … a 10-minute break now.

a. has b. is have c. is having d. have

12. We …on our term paper this semester.

a. are working b. work c. are work d. working

13. Ann … to spend a lot of time preparing for her final test.

a. don’t want b. isn’t wanting c. not want d. doesn’t want

14. … in the dormitory this academic year?

a. Do you live b. Are you live c. Do you lives d. Are you living

15. Many people … their learning style.

a. doesn’t knows b. don’t know c. aren’t knowing d. aren’t know

16. My brother … school in 2010.

a. has finished b. finished c. finishes d. to finish

17. … you a good student at school?

a. Did b. Was c. Were d. Had

18. I …. classes in English and French last year.

a. taken b. takes c. taked d. took

19. … along well with your school teachers?

a. Did you get b. Did you got c. Got you d. Were you get

20. We … each other since we left school.

a. didn’t see b. haven’t seen c. haven’t see d. didn’t seen

21. Have you had your English class …

a. an hour ago b. yesterday c. this morning d. last month

22. I … an interesting conversation with our Professor last week.

a. had b. have had c. has had d. to have

23. My sister … bad grades.

a. never have received b. has never received c. never received d. never receive

24. I … hard this year, so I hope I can get a good grade for the test.

a. studied b. was studied c. have studied d. have study

25. I sent my teacher an assignment yesterday, but he hasn’t replied …

a. already b. yet c. just d. never

26. … you already ….. new friends at university?

a. Did …. made b. Were …. make c. Has ….. make d. Have ….. made

27. When I was at school I … to take notes.

a. didn’t like b. haven’t liked c. didn’t liked d. haven’t like

28. Everything is going well. We … any problems so far.

a. didn’t have b. haven’t had c. not have d. hasn’t had

29. I …back from the university.

a. just came b. just have come c. have just come d. just come

30. …. last weekend?

a. Have you studied b. Did you studied c. Have you studyed d. Did you study

31. I am often good … taking tests.

a. in b. with c. at d. for

32. I always try to do my … on time.

a. study plan b. questions c. notes d. homework

33. My school teachers have given me the right … towards higher education. I feel that I am ready to study hard.

a. communication b. study aids c. attitude d. transition

34. When it becomes difficult for you to focus … studying, take a short break.

a. at b. in c. on d. of

35. A place in a school or university where you can buy food and drinks.

a. dormitory b. library c. hall of residence d. canteen

36. I want to become a successful student, so I study hard to receive good …

a. responses b. assignments c. grades d. qualities

37. I have given … trying to memorize my lecture notes. This strategy doesn’t work for me.

a. off b. to c. with d. up

38. When you don’t pass a test or an exam, you …

a. join b. memorize c. fail d. guide

39. You need to … plenty of sleep and exercise to do well in classes.

a. do b. make c. study d. get

40. Visual learners … the most from charts, graphs, and images.

a. discuss b. benefit c. visualize d. spell
6 лет назад
Предмет: Биология, автор: ilyr94
Объясни почему человек относится к позвоночным организмам
6 лет назад
Предмет: Математика, автор: анюта322
составтть задачу по уравнению x+2,9=7,9
9 лет назад
Предмет: Математика, автор: Serafima2005
Скорость велосипедиста 12 км/ч. За какое время он приедет 48 км?
9 лет назад