Предмет: Математика, автор: vitaliishits0

Сумма третьего и пятого членов арифметической прогрессии равна 16,а шестой её член на 12 больше второго.Найдите разность и первый член данной прогрессии.

Ответы

Автор ответа: VictorNikiforov
0
(an)- арифметическая прогрессия
d- разность
a¹- первый член прогрессии
Приложения:
Предыдущий вопрос
Следующий вопрос
Интересные вопросы
Предмет: Математика, автор: varyakiseleva2009
помогите пожалуйста с заданием
<з​
6 лет назад
Предмет: Английский язык, автор: kipp7b
Complete the email with one word in each gap.
Dear Jo How are you? It was great (0) to see you again at the karate competition last week. Did you (1) lost on the way home (I did!!)? I hope not. The tournament was great, wasn’t it? The boy I lost to was much stronger (2) me. Our coach says I really (3) to train more if I want to do better in the future. I’m sorry I (4) see your match. Was (5) very exciting? Congratulations for winning!!! I forgot to ask you – do you do any other martial (6) ? I know you wanted to do kung fu as well. I’m sure you will be very good (7) that too!
6 лет назад
Предмет: Английский язык, автор: Kano123
Complete the sentences with the words in the box. There are four extra words.
(booked brochures chess corridor made mind passengers platform stand)
I hate travelling (0) by plane. I can’t (1) all the waiting. That’s why I always take the train. Last year, I went to Spain. My friends flew but I went by train. I
(2) the tickets on the Internet. I went from London to Paris then got a night train to
Madrid. It was great. The other (3) were a lot of fun and I played (4) with a
Russian man until about three in the morning. In Madrid, I just got off the train, crossed onto a different (5) and got on the fast train to Malaga. My friends thought I was crazy to travel by train but I had a great time.
6 лет назад
Предмет: Алгебра, автор: ааа10аааа
сократите дробь a)bx-3x3y-by б) y^2-9/y-3
9 лет назад
Предмет: Обществознание, автор: Аноним
Что произошло бы . если в мире не было бы веществ , проводящих электрический ток , теплоту ?
9 лет назад