Home
О нас
Products
Services
Регистрация
Войти
Поиск
Troimki
@Troimki
December 2021
1
1
Report
Решите пожалуйста срочно. 67 а и б. И 68. Даю 50 баллов.
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms of service
You must agree before submitting.
Send
Answers & Comments
NNNLLL54
Verified answer
67a) a(-1,-5) , b(3,4)
a·b=-1·3-5·4=-3-20=-23
67b) a(1,0) , b(0,3)
a·b=1·0+0·3=0+0=0
68) ∠(a,b)=45° , |a|=5 , |b|=4
a·b=|a|·|b|·cos45°=5·4·√2/2=10√2
1 votes
Thanks 1
More Questions From This User
See All
Troimki
July 2022 | 0 Ответы
perevodite pozhalujstac3e020c6dc0ecca5b4e8d386b1b9d93f 21895
Answer
рекомендуемые вопросы
rarrrrrrrr
August 2022 | 0 Ответы
o chem dolzhny pozabotitsya v pervuyu ochered vzroslye pri organizacionnom vyvoze n
danilarsentev
August 2022 | 0 Ответы
est dva stanka na kotoryh vypuskayut odinakovye zapchasti odin proizvodit a zapcha
myachina8
August 2022 | 0 Ответы
najti po grafiku otnoshenie v3v1 v otvetah napisano 9 no nuzhno reshenie
ydpmn7cn6w
August 2022 | 0 Ответы
Choose the correct preposition: 1.I am fond (out,of,from) literature. 2.where ar...
millermilena658
August 2022 | 0 Ответы
opredelite kak sozdavalas i kto sozdaval arabskoe gosudarstvo v kracii
MrZooM222
August 2022 | 0 Ответы
ch ajtmanov v rasskaze krasnoe yabloko ispolzuet metod rasskaz v rasskaze opi
timobila47
August 2022 | 0 Ответы
kakovo bylo naznachenie kazhdoj iz chastej vizantijskogo hrama pomogite pozhalujsta
ivanyyaremkiv
August 2022 | 0 Ответы
moment. 6....
pozhalujsta8b98a56c0152a07b8f4cbcd89aa2f01e 97513
sarvinozwakirjanova
August 2022 | 0 Ответы
pomogite pozhalusto pzha519d7eb8246a08ab0df06cc59e9dedb 6631
×
Report "Решите пожалуйста срочно. 67 а и б. И 68. Даю 50 баллов..."
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
О нас
Политика конфиденциальности
Правила и условия
Copyright
Контакты
Helpful Social
Get monthly updates
Submit
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
67a) a(-1,-5) , b(3,4)a·b=-1·3-5·4=-3-20=-23
67b) a(1,0) , b(0,3)
a·b=1·0+0·3=0+0=0
68) ∠(a,b)=45° , |a|=5 , |b|=4
a·b=|a|·|b|·cos45°=5·4·√2/2=10√2