Предмет: Математика, автор: dfszsfddfsdf

как решить y+27y=1204 14x-x-28=167 8a+7a+15=420 16y-7y+38=3683

Ответы

Автор ответа: Кямран2002к

1)28y=1204 y=1204:28 2)13x-28=167
13x=167+28 13x=195 x=195:13 3)9y+38=38683 9y=38683-38 9y=38645

Автор ответа: MRcross1

1. y=43 2.x=15 a=27 y=405 решение отправили в прошлом коментарии

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Физика, автор: Dima4ka0507

чем являются величины A,Z и N с точки зрения строения ядра

6 лет назад

Предмет: Русский язык, автор: nazik610101708

Шумно начался урок.Надо сделать синтаксический разбор

6 лет назад

Предмет: Английский язык, автор: Аноним

25 .) On ___ first day they stopped at ___ river and decided to make ___ camp.

the/a/a
the/-/a
the/an/a
the/an/an

26 .) At ___ first they began to look for ___ dry place.

the/a
-/a
a/the
an/a

27 .) Sofia is ___ capital of ___ Bulgaria.

-/-
the/the
the/-
the/a

28 .) On ___ Sundays my father stays in ___ bed till ten o’clock reading ___ Sunday papers.

the/the/-
-/-/the
an/-/-
the/the/the

29 .) ___ few days later I entered ___ reading room of ___ public library.

A/the/the
The/the/the
-/the/-
A/a/-

30 .) Don’t stay outside in ___ cold; come in by ___ fire.

the/the
the/a
-/a
the/-

31 .) Hope is ___ good breakfast, but ___ bad supper.

a/a
the/the
a/the
a/an

32 .) ___ shortest man in ___ world and ___ tallest man in ___ world live in ___ Africa.

The/the/the/the/-
The/the/-/an/an
-/the/-/an/an
The/a/-/-/an

33 .) I remember an episode in ___ my life when I had to spend ___ month in the country.

a/-
the/a
-/an
-/a

34 .) In his childhood he lived with ___ grandfather, ___ poor tailor.

a/the
-/the
the/a
a/a

35 .) After ___ fourth lesson English pupils have ___ break of ___ hour and ___ half for dinner.

a/a/a/a
the/a/-/a
a/the/an/a
the/a/an/a

36 .) If ___ guest has to leave ___ table during ___ meal he always asks his hostess, “Will you please excuse me for ___ minute”.

a/the/a/a
-/the/a/-
the/the/-/the
-/-/-/a

37 .) ___ USA is ___ country. It is in North America.

-/a
the/a
-/-
the/the

38 .) ___ best runner in the race was ___ young girl.

a/an
the/an
-/the
the/a

39 .) On ___ day of___ race many people came to the skating.

-/-
a/the
the/a
the/the

40 .) My aunt lived on ___ ground floor of ___ old house on ___ River Thames.

the/an/the
-/the/a
the/the/-
-/an/the

41 .) On the New Year Eve some of ___ pupils stayed at ___ school later than usual.

the/-
the/the
-/the
a/a

42 .) ___ man always went to ___ same bar at ___ same time every day and asked for two glasses of ___ soda.

A/the/the/-
A/the/the/a
A/the/-/-
A/-/the/a

43 .) ___ book is always ___ acceptable gift.

A/an
The/-
The/the
An/the

44 .) My ___ friend likes to listen to ___ good story.

-/the
a/a
the/the
-/a

45 .) ___ Sahara is in the northern part of Africa.

-
a
an
the

46 .) ___ idea of helping ___ man was unpleasant in itself.

-/the
the/the
the/a
-/-

47 .) He likes to have ___ rest in ___ country.

-/-
-/the
the/-
a/the

48 .) Where there’s ___ will, there’s ___ way.

a/a
-/-
the/a
a/the

49 .) When I lived in Paris some years ago I used to buy ___ copy of Le Monde every evening at ___ same local newspaper kiosk.

-/a
a/the
a/a
the/a

50 .) ___ boy was shy and always looked down when ___ grown-ups spoke to him.

a/the
the/-
an/-
-/a

6 лет назад

Предмет: Математика, автор: lizamytnik

Найдите сумму чисел -23 и -11

9 лет назад

Предмет: Математика, автор: Маргарита2896

Помогите решить cos 2 a, если sin a=5/13
a это альфа

9 лет назад