Предмет: Геометрия, автор: oreshat

дано вектори c (9;6) d (x; -2) при якому значенні x ці вектори
а)колінеарні
б) перпендикулярні

Ответы

Автор ответа: olko4455
1

Ответ:

a) -3

b) 4/3

Объяснение:

Приложения:
Похожие вопросы
Предмет: Қазақ тiлi, автор: torehandaniar777
Предмет: Английский язык, автор: hshslsgysa
1 I don’t like ___ up late on Sunday. a get b getting c gets 2 Does he always ___ skateboarding every Saturday afternoon? a go b going c goes 3 If it rains tomorrow, we ___ to the beach. a aren’t going b won’t go c don’t go 4 ‘___ tickets do we need?’ ‘Five.’ a How b How much c How many 5 When Dad was a student, he ___ in Cambridge. a live b lives c lived 6 Helen usually watches action films, but she ___ a great comedy on TV at the moment. a is watching b watch c watches 7 Amanda and I ___ judo at school every Monday and Wednesday. a do usually b usually do c are usually doing 8 Mum isn’t here. She ___ to work. a have gone b has gone c didn’t go 9 ‘Please be quiet.’ ‘Why? ___ his homework?’ a Mark is doing b Is Mark doing c Does Mark do 10 ‘What film ___?’ ‘I think it’s a fantasy.’ a are they watching b do they watch c they watch 11 If you ___ every day, you won’t pass all of your exams. a aren’t studying b won’t study c don’t study 12 Ann didn’t ___ to the shopping centre last week. a go b went c gone Vocabulary 26 I ___ ice-skating every day in the winter. a go b do c play 27 We are going to clean the beach ___ tomorrow. a down b up c away 28 Sara loves martial ___ films. a fiction b arts c historical 29 Jane designs bridges. She’s a(n) ___. a engineer b electrician c lawyer 30 Dan didn’t do his homework on his own. He ___ his friend’s homework. a was b played c copied 31 The thief climbed into the bedroom ___ a window. a through b along c over 32 My hair isn’t dark and curly. It’s fair and ___. a straight b long c short 33 Lisa likes giving her friends presents. She is ___. a moody b lazy c generous. напишіть всьо гарно і понятно прошу.​