Find the 66th term of the arithmetic sequence -28,-45, -62,-

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Frenesim asked Apr 22, 2023

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12 votes

Find the 66th term of the arithmetic sequence -28,-45, -62,-

Mathematics
college

Frenesim asked Apr 22, 2023

by Frenesim

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20 votes

Answer:

-1133

Explanation:

-17(66-1)+(-28)

-17(65)+(-28)

type in calculator or desmos

-1133

Olatokunbo answered Apr 22, 2023

by Olatokunbo

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15 votes

Answer:

-1133

Explanation:

Formula for nth term

aₙ = a + (n - 1)d

Finding d

d = -45 - (-28)
d = -45 + 28
d = -17

Solving for a₆₆

a₆₆ = -28 + 65(-17)
a₆₆ = -28 - 1105
a₆₆ = -1133

Peter Ehrlich answered Apr 26, 2023

by Peter Ehrlich

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