Home
О нас
Products
Services
Регистрация
Войти
Поиск
Beautiful00
@Beautiful00
August 2022
1
28
Report
a1=13 an=67 n=25 Sn-?
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
m11m
A₁=13 An=67 n=25 Sn-?
An=A₂₅=67
S₂₅=
(A₁+A₂₅)n
=
(13+67)*25
=
80 * 25
= 1000
2 2 2
Ответ: 1000
3 votes
Thanks 3
Beautiful00
d=?
m11m
а зачем оно?
m11m
A25=A1+24d
67=13+24d
67-13=24d
54=24d
d=54/24
d=27/12
d=2.25
Beautiful00
s25=2a1+24d/2 *n
m11m
Эта вторая формула нахождения суммы членов арифметической прогрессии. Есть две формулы нахождении суммы арифметической прогрессии.
More Questions From This User
See All
Beautiful00
August 2022 | 0 Ответы
reshite pozhalujsta4ac347b4e69dd2f0c1f7a49cfd4468d0 64117
Answer
Beautiful00
August 2022 | 0 Ответы
tex]=...
Answer
Beautiful00
August 2022 | 0 Ответы
sostavte programmu kvadratnogo uravnenie i blok shemu 05h22h 40 v paskale
Answer
Beautiful00
August 2022 | 0 Ответы
1summy vseh koefficientov v polnom i sokrashennom ionnyh uravneniyah reakcii mezhd42a2643c1bd2d21c67c6cdcb261f6127 32328
Answer
Beautiful00
August 2022 | 0 Ответы
znon22nno3znno322n2o polnoe ionnoe uravnenie
Answer
Beautiful00
August 2022 | 0 Ответы
postavte okonchaniya 1v lesu splosht pokryvsh sklony gor mozhno vstre
Answer
Beautiful00
August 2022 | 0 Ответы
sostavte 5 voprosov pozhalujsta66f246691d9f22863cb9fa280f94eb47 85321
Answer
Beautiful00
July 2022 | 0 Ответы
kazah stanskih kazahstans kih kak pravilno
Answer
Beautiful00
July 2022 | 0 Ответы
u kazhdogo chelovek est svoe videnie kazhdogo vremeni goda kakaoj vy vidite s
Answer
Beautiful00
July 2022 | 0 Ответы
obstoyatelstomestapodnimalossolnce
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 "a1=13 an=67 n=25 Sn-?..."
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
An=A₂₅=67
S₂₅=(A₁+A₂₅)n = (13+67)*25 = 80 * 25 = 1000
2 2 2
Ответ: 1000
67=13+24d
67-13=24d
54=24d
d=54/24
d=27/12
d=2.25