missarafuweiyi missarafuweiyi

16-02-2021
Mathematics

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In an arithmetic sequence, = 5 and = 11.
Find the common difference
Find the first term.
Find the sum of the first 20 term

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wenrenyou wenrenyou

18-02-2021

Answer:

Common difference: 7

first term: 5

sum of the first: 84

Step-by-step explanation:

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