24-04-2020
Mathematics

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Find the 20th term of the arithmetic sequence 1, 3, 5, 7, 9, ... *
10

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Аноним Аноним

24-04-2020

Answer: 39

Step-by-step explanation:

[tex]a_{n}[/tex] = 1 + (20-1)2

[tex]a_{n}[/tex] = 1 + (19)2

[tex]a_{n}[/tex] = 1 + 38

[tex]a_{n}[/tex] = 39

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