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3 years ago

Please Help!!!!

Mathematics

1 answer:

Alexandra [31]3 years ago

3 0

Answer:

241

Step-by-step explanation:

arithmetic sequence formula

A = a + f × (n-1)

n=the nᵗʰ term in the sequence

a=the first term in the sequence

f=the common difference between terms

31+11(20-1)=241

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Step-by-step explanation:

The complete question in English is

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The picture in the attached figure

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