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Mathematics, 27.02.2021 06:20 ehaynie

PLEASE HELPWhat is the explicit rule for the arithmetic sequence? 20.5, 18, 15.5, 13, 10.5, ...
An = 23 + 2.5n
an = 20.5 – 2.5n
An=23-2.5n
An=20.5+2.5n

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PLEASE HELPWhat is the explicit rule for the arithmetic sequence? 20.5, 18, 15.5, 13, 10.5, ...
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