Home
О нас
Products
Services
Регистрация
Войти
Поиск
zlata25148
@zlata25148
August 2022
1
6
Report
7ху+у=16
7ху-х=13
...,.
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
MizoriesKun
7ху+у=16
7ху-х=13
----------------- отнимем почленно
у-(-х)=у+х=3
⇒у=3-х
7х*(3-х)+3-х=16
21х-7х²+3-х-16=0
7х²-20х+13=0
D=400-364=36
x₁=(20+6)/14=13/7=1.6/7 y₁=3-1 6/7=1 1/7
x₂=(20-6)/14=1 y₂=3-1=2
2 votes
Thanks 1
More Questions From This User
See All
zlata25148
August 2022 | 0 Ответы
reshite zadanie na foto030d8af2bd8b0c7ab777ce6660105c1b 51045
Answer
zlata25148
August 2022 | 0 Ответы
reshite zadanie na foto663f6328259398e34e94696e33f19b36 7196
Answer
zlata25148
July 2022 | 0 Ответы
cinu deyakogo tovaru znizili na 20 a potim pidvishili na 30yak i na skilki zmi
Answer
zlata25148
November 2021 | 0 Ответы
pomogite reshit zadanie na foto172e9855c7f38df8a380fc5055cec5b8 62981
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 "7ху+у=16 7ху-х=13 ...,..."
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
7ху-х=13
----------------- отнимем почленно
у-(-х)=у+х=3 ⇒у=3-х
7х*(3-х)+3-х=16
21х-7х²+3-х-16=0
7х²-20х+13=0
D=400-364=36
x₁=(20+6)/14=13/7=1.6/7 y₁=3-1 6/7=1 1/7
x₂=(20-6)/14=1 y₂=3-1=2