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Math

Answered

in the sequence 8, 5, 2, -1... what term is -25

Sagot :

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Answer:

n = 12

Step-by-step explanation:

an = a1 + ( n - 1 )d

-25 = 8 + ( n - 1 ) -3
-25 = 8 + ( -3n + 3 )
-25 = 11 - 3n
-25 - 11 = -3n
-36 = -3n

-3 -3

n = 12

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