Home
О нас
Products
Services
Регистрация
Войти
Поиск
Katya1802
@Katya1802
September 2021
1
14
Report
Помогите с математиков.
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
69Dmitriy96
1. (-18,4-3 2/5):0,1=-21,8:0,1= -218
2. x^2-3x-2=0
x1*x2= -2
x1+x2= 3
x1= -1
x2= -2
3. 2x-4<12
3<x
2x<16
x>3
x<16
x>3
Ответ: x (3;16)
4. f (x)=x^2+3x
f (2) - ?
f (2)=4+6=10
5. Ответ: 120 и 110
6. 0,4<b<0,7
b=0,5 P=2
b=0,6 P=2,4
7. a1= -4,6
d= 0,8
S6-?
a6=a1+d(6-1)= -4,6+ 4= -0,6
S6=a1+a6/2*a6= -5,2/2*6= -15,6
8. 2400-100%
x- 18%
x= 2400*18/100= 432 рубля
9. xy= 8
x+y=6
x=6-y
6y-y^2=8
-y^2+6y-8=0 |:(-1)
y^2-6y+8=0
y1*y2=8
y1+y2=6
y1=4
y2=2
x1= 6-4=2
x2=6-2=4
10. 5+49/2=54/2=27
11. S=пr^2/360*90=64п/4=16пи
12. Ответ: B(0;4) Оx=(0;y)
13. Ответ: (-2;1)
14. |a|*|b|*cos60*= 5*4*1/2=10
15. 140n=180(n-2)
140n=180n-360
-40n=-360
n=9
Ответ: 9 сторон
2 votes
Thanks 2
More Questions From This User
See All
Katya1802
July 2022 | 0 Ответы
pomogite pozhalujsta0eb2cbfc1a71ca1931d24b9456b1f016 98110
Answer
Katya1802
November 2021 | 0 Ответы
pomogite pozhalujsta6a175f54d1aebba99d3eef278c253bec 66035
Answer
Katya1802
October 2021 | 0 Ответы
ukazhit pravilne tverdzhennya a iz zagalnoyi kilkosti zvukiv ukrayinskoyi movi
Answer
Katya1802
September 2021 | 0 Ответы
rebyata pomogite pozhalujsta zapolnit tablicu po pravu
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 "Помогите с математиков..."
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
2. x^2-3x-2=0
x1*x2= -2
x1+x2= 3
x1= -1
x2= -2
3. 2x-4<12
3<x
2x<16
x>3
x<16
x>3
Ответ: x (3;16)
4. f (x)=x^2+3x
f (2) - ?
f (2)=4+6=10
5. Ответ: 120 и 110
6. 0,4<b<0,7
b=0,5 P=2
b=0,6 P=2,4
7. a1= -4,6
d= 0,8
S6-?
a6=a1+d(6-1)= -4,6+ 4= -0,6
S6=a1+a6/2*a6= -5,2/2*6= -15,6
8. 2400-100%
x- 18%
x= 2400*18/100= 432 рубля
9. xy= 8
x+y=6
x=6-y
6y-y^2=8
-y^2+6y-8=0 |:(-1)
y^2-6y+8=0
y1*y2=8
y1+y2=6
y1=4
y2=2
x1= 6-4=2
x2=6-2=4
10. 5+49/2=54/2=27
11. S=пr^2/360*90=64п/4=16пи
12. Ответ: B(0;4) Оx=(0;y)
13. Ответ: (-2;1)
14. |a|*|b|*cos60*= 5*4*1/2=10
15. 140n=180(n-2)
140n=180n-360
-40n=-360
n=9
Ответ: 9 сторон