Предмет: Алгебра, автор: Jerry1nik

Выразите из данного равенства каждую переменную через другие: 3(х-у)= -z

Ответы

Автор ответа: смайлик111

3= -z/(х-у)
3(х-у)= -z
(х-у)= -z/3
х= -z/3+y
-y= -z/3-x

Автор ответа: 306da

3х-3у=-z
3x=-z+3y
x= -z+3y/3

-3y=-z-3x
y=-z-3x/-3

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Химия, автор: vs049974

какой из приборов изображеных на рисунки является наиболее точным? почему?

6 лет назад

Предмет: Английский язык, автор: rretys032

2. What … your friend? He … a teacher.
A) Am/are
B) are /is
C) Is/is
D) to be/is
E) Are /am
3. It (to be) difficult for her.
A) were
B) will
C) will be
D) shall
E) shall
4. My friend ( to spend ) his week-end in the country before he entered the University.
A) had spent
B) have spent
C) spend
D) spending
E) to spend
5. I don’t know her … address.
A) cousins
B) cousins’s
C) cousins’
D) cousin
E) cousin’
6. … supper is … last meal of … day.
A) the, -, -,
B) a, a, -,
C) the, -, -,
D) -, the, the
E) -, a, -
7. She is the … daughter in the family.
A) youngest
B) the younger
C) most young
D) more young
E) younger
8. Не lives in flat number 8.
A) eighth.
B) the eighth.
C) eightth.
D) the cightth.
E) eight.
9. These are my sons. … names are Pete and Jack.
A) His
B) Her
C) Their
D) My
E) Our
10. How (много) money do you have?
A) much
B) many
C) more
D) few
E) a few
11. You cannot start the car … kicking it.
A) by
B) with
C) –
D) to
E) at
12. How much … they?
A) be
B) been
C) am
D) is
E) are
13. Bob ( to know) what I want?
A) Bob knows?
B) Do Bob knows?
C) Does Bob know?
D) Is Bob knows?
E) Are Bob knows?
14. I (to come) to the university at 8 a.m. yesterday.
A) come
B) came
C) to comу
D) will come
E) coming
15. … we (to finish) the work in a week?
A) will / finishes
B) shall / finish
C) will / be finish
D) shall / be finish
E) will be / finish

16. I (to be) writing a letter .
A) am
B) are
C) do
D) does
E) did
17. How many poems (to learn) by heart?
A) have you learned
B) has you learned
C) did you learn
D) would you learn
E) has you learned
18. Peter told me that he (to be) to the theatre, where he met an old friend, named Nick.
A) to be
B) have been
C) had been
D) being
E) was
19. At last you have come. I already ( to wait ) for you for 20 minutes.
A) have waiting for
B) has been waiting for
C) have been waiting
D) was waiting
E) is waiting for
20. My children ( to play ) with the ball for half an hour when I looked out of the window.
A) has been playing
B) have been playing
C) had been playing
D) played
E) playing
21. The post box (to empty) every day.
A) is emptied
B) is been emptied
C) are emptied
D) will be empty
E) empty
22. … your grandmother skate when she was young?
A) May
B) Could
C) Can
D) Must
E) Should
23. I had a pleasant surprise when I entered my room: someone (to leave) some
flowers for me.
A) had left
B) had been leaving
C) had leaved
D) had leaving
E) had been left
24. She asked her friend if the rain (to stop).
A) will stop
B) stopped
C) had stopped
D) have stopped
E) has stopped
25. Я хочу, чтобы ты посмотрел эти письма.
A) I want to you to look through these letters.
B) I want to look through these letters.
C) I want you looking through these letters.
D) I want you to look through these letters.
E) I wanted you look through these letters.
26. Будучи очень занятым, он отложил поездку.
A) He was very busy, he postponed his trip.
B) Having been very busy, he postponed his trip.
C) Being very busy, he had postpone his trip.
D) Having being very busy, he postponed his trip.
E) Being very busy, he postponed his trip.
27. Я не возражаю против того, чтобы ты пошел в театр.
A) I don’t mind your going to the theater.
B) I don’t mind if you will go to the theater.
C) I don’t object if you will go to the theater.
D) I don’t object to go to the theater.
E) I don’t mind of your going to the theater.
28. When you (to see) Mr. Smith ask him to call immediately.
A) see
B) will see
C) would see
D) saw
E) seen
29. I love sunny weather. I wish it (to be) warm and fine all year round.
A) was
B) were
C) are
D) is
E) be
30. What a pity you don’t know enough physics.
A) I wish I know physics well.
B) I wish I didn’t know physics well.
C) I wish I will know physics well.
D) I wish I knew physics well.
E) I wish I known physics well.

Помогите пожалуйста!)

6 лет назад

Предмет: Математика, автор: Аноним

выполните действия наиболее удобным способом 1) -4*(-7)*0,25
2)-1,5*(-3)*(-2)

6 лет назад

Предмет: Математика, автор: Юркованах

верно ли утверждение что периметр параллелограмма больше суммы его диагоналей

9 лет назад

Предмет: Обществознание, автор: Gabid

основной институт международной финансовой сиситемы: а) организация экономического сотрудничества. б)международный валютный фонд. в) международное организация труда

9 лет назад