The first term of an A.Pis -1 and the common difference is 0.5. Find the 6th term.

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asked Jan 2, 2024 129k views

3 votes

The first term of an A.Pis -1 and the common difference is 0.5. Find the 6th term.

Mathematics
high-school

Seunghun asked

by Seunghun

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2 Answers

2 votes

Answer:

Explanation:

-4

Vangos answered Jan 4, 2024

by Vangos

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3 votes

Answer: 1.5

Work Shown:

$a_1 = -1 = \text{ first term} \\\\d = 0.5 = \text{ common difference} \\\\a_n = a_1 + d(n-1)\\\\a_n = -1 + 0.5(n-1)\\\\a_6 = -1 + 0.5(6-1)\\\\a_6 = -1 + 0.5(5)\\\\a_6 = -1 + 2.5\\\\a_6 = 1.5\\\\$

Beginh answered Jan 9, 2024

by Beginh

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Answer: 1.5

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