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Arithmetic Sequence

Posljednje ažuriranje over 5 years ago

3 questions

In an arithmetic sequence, the third term is 10 and the fifth term is 16.

1

Pitanje 1

1.

What is the first term? Show your work.

1

Pitanje 2

2.

What is the sum of the first 20 terms? Show your work.

1

Pitanje 3

3.

Express the sum of the first 20 terms in sigma notation.