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

Sagot :

Rvillalta2002idn

Answer:

[tex]a_n=125+(n-1){3\over{5}}[/tex]

Step-by-step explanation:

125

75=125*3/5

45=75*3/5

27=45*3/5

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

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