Ответ по предмету Геометрия: Найдите значение м, при котором векторы а{m;5},b{-6;7} будут перпендикулярными

Предмет: История, автор: Аноним

ДАЮ 30 БАЛЛОВ!

Вспомните «птенцов гнезда Петрова». Кто из них, не будучи знатного происхождения, смог дослужиться до высокого положения? Как это объясняет Табель о рангах?

7 лет назад

Предмет: Русский язык, автор: Аноним

Помогите плииииииз!!

7 лет назад

Предмет: Английский язык, автор: alinasviridova025

1)Find a noun:
<variant> retirement
<variant> react
<variant> own
<variant> translate
<variant> golden
2)Find the second part of a proverb: Good beginning makes …
<variant> … make light work
<variant> …costs nothing
<variant> … half done
<variant> … all wound
<variant> …a good ending
3)Match a word with the meaning: forecast
<variant> a picture of the weather drawn by scientist
<variant> a scientist who studies the weather
<variant> predict
<variant> a flash of light in the sky
<variant> to happen
4)Match a word with the meaning: meteorologist
<variant> a flash of light in the sky
<variant> a picture of the weather drawn by scientist
<variant> predict
<variant> a scientist who studies the weather
<variant> to happen
5)Match a word with the meaning: lighting
<variant> predict
<variant> a picture of the weather drawn by scientist
<variant> to happen
<variant> a flash of light in the sky
<variant> a scientist who studies the weather
6)Match a word with the meaning: to occur
<variant> to happen
<variant> a scientist who studies the weather
<variant> a flash of light in the sky
<variant> a picture of the weather drawn by scientist
<variant> predict
7)Match a word with the meaning: weather map
<variant> a picture of the weather drawn by scientist
<variant> a flash of light in the sky
<variant> to happen
<variant> a scientist who studies the weather
<variant> predict
8)Choose the right written word:
<variant> borroed
<variant> borrowed
<variant> borxowed
<variant> borroued
<variant> barrowed
9)Find the odd word:
<variant> fifth
<variant> seventh
<variant> twelfth
<variant> forty
<variant> second
10)Choose the right pronoun: …books were read last year.
<variant> those
<variant> one
<variant> that
<variant> it
<variant> this
11)Choose the right answer: I know she does a difficult job. I watched her ___ the mistress make butter.
<variant> helps
<variant> helped
<variant> helpt
<variant> helping
<variant> helpy
12)Complete the sentence with the right word: Books ____ out of the library must be returned within three weeks.
<variant> taking
<variant> to take
<variant> take
<variant> takes
<variant> taken
13)Choose the right answer: My mother wants me _____ a doctor.
<variant> to become
<variant> become
<variant> became
<variant> becomed
<variant> becomes
14)Choose the right answer: ______ many years ago, the book is still relevant today.
<variant> Be write
<variant> Been written
<variant> Being written
<variant> Is write
<variant> Was write
15)Choose the right answer: “Is ______ all right?” “Yes, thanks.”
<variant> anything
<variant> everything
<variant> something
<variant> nothing
<variant> nowhere
16)Choose the right preposition: Please go ____ the sitting room. I’ll be with you in a moment.
<variant> on
<variant> at
<variant> into <variant> for
<variant> from
17)Choose the right preposition: Tell me when you arrive and I’ll pick you ___ at the station.
<variant> in
<variant> on
<variant> at
<variant> by
<variant> up

7 лет назад

Предмет: Математика, автор: kuvinov2013rffrf

30 – 19,56 : (4,2 + 3,95) решите пример ну еще один) обратите обыкновеную дробь в десятичную разделив числитель на знаменатель (уголком) 7/8 и 5/16

10 лет назад

Предмет: Химия, автор: Erkezhanuranhaeva

Помогите мне то что обведено в кружок карандашом плиз

10 лет назад

Найдите значение м, при котором векторы а{m;5},b{-6;7} будут перпендикулярными

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