Respuesta :

arithmetic sequence 12,6,0,-6

[tex]\text {General Sequence : } T_n = 18 - 6n[/tex]

To find 30th term

[tex]t_{30} = 18 - 6(30)[/tex]

[tex]t_{30} = -162 [/tex]

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Answer: 30th term is -162
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12-(6×30) will give u the 30th number and that's -168

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