Ответ по предмету Математика: 0.25 в минус первой степени,это сколько?

Предмет: Геометрия, автор: MadaraUchihha

6 лет назад

Предмет: Физика, автор: Ivashkasolomov

Скорость велосипеда 2.5 м/с , а скорость ветра 3 м/с опеределите скорость ветра относительно велосипеда , если ветер встречный

6 лет назад

Предмет: Английский язык, автор: lydmilasemenova77531

Test III.

A. Choose the correct word to fill in the gaps.

1. lift/raise

a) Please, help me to ---- this sofa, it’s very heavy.

b) If you want to say something, don’t shout, just ---- your hand.

2. discovered/found out

a) After a few minutes of the lecture, the professor ---- that nobody was listening to him.

b) Who exactly ---- America? Christopher Columbus or Amerigo Vespucci?

3. work/job

a) I had been looking for a good ---- before I found one.

b) Sorry, can’t speak now, have a lot of ---- to do.

4. Geography/Earth Science

a) Mary wants to travel to all those countries she studies in her ----class.

b) Jason finds ---- fascinating because he learns a lot of things about the formation and history of our planet.

5. salary/wage

a) My ---- is not too good, I earn about a thousand euros per month.

b) Your ---- depends on how many pizzas you will deliver.

6. employer/employee

a) Mr Smith is extending his company, so he needs to hire more ----.

b) His ---- gave him the pay rise, now he gets 150 ponds more.

B. Fill in the missing words. There are three words you don’t need to use.

present sound bring out overtime freelancer moved came brought up deadlines sloppy research change

7. Soon the brothers ---- to the conclusion that it was heat but not smoke that lifted things.

8. He was an army officer and ---- his sun like a little soldier, hoping it would build his son’s character.

9. In this laboratory students perform scientific ----.

10. What I like about working as a ---- is that I don’t have to stay in the office.

11. The salary is good, the job is rewarding, the only problem is that it’s a bit hard for me to meet ----.

12. Her husband got a new job in the other city, so they had to ---- there.

13. The animals landed safe and ---- before the eyes of a huge crowd.

14. As his father is a military man, John has to ---- schools quite often.

15. Mary has worked ---- every day this week as it’s the busiest time in the company.

C. Put the verbs in brackets into the past perfect or the past perfect continuous.

16. A: Jack looked really tired yesterday.

B: No wonder, he (work) on the computer all night

17. A: Did Sally help you do the project?

B: No, by the time she came, we (finish) it already.

18. A: Elisa looked happy when I saw her.

B: It’s because she (get) her driving license

19. A: Ann was angry when I spilled milk over her dress. B: Sure, because she (make) that dress herself for a week!

20. A: You looked puzzled in the underground..why?

B: Well...you see… I (not be) in the underground before, that was the first time. отдаю последние баллы, помогите пожалуйста!!

6 лет назад

Предмет: Алгебра, автор: Апельсин198

№1 Решите систему неравенств модуль х-0,7<0,

х+0,6<0

№2 Найдите значение выражения 3 делить на аb(в кубе)-а(в кубе)b : 2 делить на а(в квадрате)b -ab( в квадрате)

№3 в кинотеатре проходит акция: при покупке трёх билетов- четвёртый билет в подарок. Какую наименьшую сумму(в рублях) требуется заплатить во время этой акции за билеты на группу из 14 человек, если стоимость одного билета 270 рублей?

№4 Два дерева растут в 24 метрах друг от друга. высота одного из них 25 метров, а высота друго- ь7 метров. Найдите расстояние между верхушками этих деревьев. Ответ выразите в метрах.

ХОТЬ ЧТО НИБУДЬ ПОМОГИТЕ)

10 лет назад

Предмет: Химия, автор: белочка19

при полном сгорании амина массой 9 г образовалось 17,6 г углекислого газа, 12,6 г воды, 2,8 г азота. Плотность паров амина по воздуху составляет 1,55. Выведите молекулярную формулу амина. Составьте все возможные структурные формулы аминов и дайте веществам названия.

10 лет назад

0.25 в минус первой степени,это сколько?

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