Предмет: Геометрия, автор: vitaliyvenhryn

Пожалуста срочно нужно !!!!!!!!!!!!!Обчисліть значення n, при якому вектори a (n; 3) і b⃗ (2; – 1)
колінеарні.

Ответы

Автор ответа: KardelSharpbrain
2

Векторы коллинеарны, если соотношения их координат равны

\frac{n}{2}=\frac{3}{-1}

n = -6

Ответ: -6

Предыдущий вопрос
Следующий вопрос
Интересные вопросы
Предмет: Английский язык, автор: вареник2006
Помогите пожалуйста перевести текст.
Aunt Mary and her two nieces live in America.They live on a big farm.The nieces' names are Meg and Nelly.
Today Aunt Mary is at home. She has a lot of work to do about the house. Her nieces are at home too.Aunt Mary comes to the girls and says,"Can you help me about the house?
Meg is reading a book. Little Nelly is playing with her dolls and toy rabbits but she says,''Yes, Aynt Mary.I can help you. With great pleasure.''
Then little Nelly says to her toys:"Goodbye,my nice dolls!Goodbye, my little toy rabbits! But I must go.I must help Aunt Mary.Then I'll play with you.You know, good children must help about the house.
Then she comes up to her sister and says,''Meg,let's go and help Aunt Mary!''
''But I can't. I am not at home.I am in Russia.I am on the river Volga.Oh, how nice it is in Russia!"
So Nelly goes to Aunt Mary."Nelly,where is your sister Meg?''Aunt Mary says.
"She is reading a book, she says she is not in America, she is in Russia. And I want to help you about the house. Then I'll go and play with my dolls and toy rabbits."
"You are right.You are a good girl. And Meg is not good, she doesn't want to help me."
Nelly helps Aunt Mary about the house.Then Aunt Mary says, "Now let's have lunch and then Aunt Mary says,"I've got three bananas-one for you and one for Meg and for me.But you sister is not in America.We don't know when she will be at home.You can eat two bananas.They are for you."
"Oh, thank you,Auntie. I like bananas very much,"says Nelly,
Then little Nelly goes back to her toy rabbits and dolls.Her sister isn't reading her book now.She says, "Hello,Nelly!I'm at home.I can have lunch and bananas now.I know Aunt Mary has got three bananas at home."
"Hello,Meg! Nice to see you at home! But...We haven't got bananas!You were not at home for so long!" says Nelly.
2 года назад
Предмет: Английский язык, автор: nastipon
дата 1)1.05.1986
2)31.08.1996
как пишется по английски
2 года назад
Предмет: Окружающий мир, автор: nastyonasmile8
подготовить сообщение о ландыше
2 года назад
Предмет: Химия, автор: makursanova
Магний в природе встречается в виде трёх изотопов: 24Mg (78,6%), 25Mg (10,1%) и 26Mg (11,3%). Вычислите относительную атомную массу элемента магния.
8 лет назад
Предмет: Математика, автор: ДианаСемоненко
Уравнение 725*13- у = 1908
8 лет назад