1) A⁴7; 2) Ā⁴7; 3) A⁴5; 4) Ā⁴5.Решение и ответ-?. Created by ketebajcaat. algebra-ru

1) A⁴7; 2) Ā⁴7; 3) A⁴5; 4) Ā⁴5.Решение и ответ-?...

ketebajcaat @ketebajcaat

July 2022 1 34 Report

1) A⁴7; 2) Ā⁴7; 3) A⁴5; 4) Ā⁴5.
Решение и ответ-?

Answers & Comments

sangers1959

Verified answer

Объяснение:

$1)\ A_7^4=\frac{7!}{(7-4)!}=\frac{3!*4*5*6*7}{3!} =4*5*6*7=840.\\2)\ \^A_7^4=7^4=2401.\\3)\ A_5^4=\frac{5!}{(5-4)!} =\frac{1!*2*3*4*5}{1!}=120.\\4)\ \^A_5^4=5^4=625.$

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Answers & Comments

Verified answer

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Ex 6. Read the article about non-fiction publishing in Kazakhstan and answer the questions.1. Who is Dosym Satpayev?2. What is the aim of the

exercise 9 exercise 10 exercise 11

exercise 6 exercise 7 exercise 8

1.Thousands of years ago, people would base their activities upon the. A) sound of the rooster, B) amount of work to

16 36 6494d7e51b43b

pick) me up, I'll take the bus home. 15. If I hadn't been so silly, I (earn) a lot of

pick) me up, I'll take the bus home. 15. If I hadn't been so silly, I (earn) a lot of money. 16.

be) complete. 32. If we (know) about your problem, we would have helped you. 33. If we sneak out quietly, nobody (notiee)

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