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Please help. Write an explicit rule for the n th term of the sequence. 125, 75, 45, 27,…. an= ?

Please help. Write an explicit rule for the n th term of the sequence. 125, 75, 45, 27,…. an= ?
asked 161k views
4 votes
Please help. Write an explicit rule for the n th term of the sequence. 125, 75, 45, 27,…. an= ?

asked
User Motsi
by
8.3k points

1 Answer

1 vote

Answer:


a_n=125+(n-1){3\over{5}}

Explanation:

125

75=125*3/5

45=75*3/5

27=45*3/5


a_n=a_1+(n-1)r\\\\a_n=125+(n-1){3\over{5}}

answered
User Miorey
by
7.9k points
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