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Bezzdna [24]
3 years ago
12

The first three terms of an arithmetic sequence are given. Find an expression for tn in terms of n, and write the tenth term for

each sequence. PLEASE HELP ASAP!!
a, 2a, 3a, . . .

tn = ?
t10 = ?

THANK YOU!!!!!!!!!!!!!!!!
Mathematics
2 answers:
ser-zykov [4K]3 years ago
5 0

Answer:

  tn = n·a

  t10 = 10a

Step-by-step explanation:

We observe that the coefficient of 'a' is the term number:

  tn = n·a

  t10 = 10a

Gre4nikov [31]3 years ago
4 0

Answer:

tn = n·a

 t10 = 10a

Step-by-step explanation:

We observe that the coefficient of 'a' is the term number:

 tn = n·a

 t10 = 10a

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