Home
О нас
Products
Services
Регистрация
Войти
Поиск
liza22224
@liza22224
July 2022
1
1
Report
(12y+18)(1,6-0,2y)=0
Прошу решить уравнение умоляююю
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
x0xx0x0x
(12y+18)(1,6-0,2y)=0
19,2y-2,4y
²
+28,8-3,6y=0
-2,4y²+15,6y+28,8=0
Всё сокращаем на -2,4:
y²-6,5y-12=0
D=b²4ac=(-6,5)²-4*1*(-12)=42,25+48=90,25
√D=√90,25=9,5
x1=(-b+√D)/2a=(6,5+9,5)/2=16/2=8
x2=(-b-√D)/2a=(6,5-9,5)/2=-3/2=-1,5
Ответ:
8, -1,5.
1 votes
Thanks 2
More Questions From This User
See All
liza22224
July 2022 | 0 Ответы
pervoj brigade nado bylo otremontirovat 180 m dorogia vtoroj 160 mpervaya brig
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 "(12y+18)(1,6-0,2y)=0 Прошу решить уравнение умоляююю..."
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
19,2y-2,4y²+28,8-3,6y=0
-2,4y²+15,6y+28,8=0
Всё сокращаем на -2,4:
y²-6,5y-12=0
D=b²4ac=(-6,5)²-4*1*(-12)=42,25+48=90,25
√D=√90,25=9,5
x1=(-b+√D)/2a=(6,5+9,5)/2=16/2=8
x2=(-b-√D)/2a=(6,5-9,5)/2=-3/2=-1,5
Ответ: 8, -1,5.