Mathematics: Indicate the general rule for this sequence. find a 1 and the common difference. a 4 = 18 a 7 = 9

Indicate the general rule for this sequence. find

Ответ:

ItzAquaZ1449

14.03.2022

Mathematics

is the common difference in an arithmetic sequence, whose

-th term is a_n

, then

$\implies a_7=a_4+3d$

We have

$9=18+3d\implies3d=-9\implies d=-3$

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Ответ:

Chipper4085

14.04.2023

Mathematics

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Step-by-step explanation:

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Indicate the general rule for this sequence. find a 1 and the common difference. a 4 = 18 a 7 = 9

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