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anonymous

  • 4 years ago

The first five terms of a sequence are given below. 10, 15, 20, 25, 30, ... Determine which of the following formulas gives the nth term of this sequence.

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  1. campbell_st
    • 4 years ago
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    \[T _{n}=(a + (n -1)d\] the sequence is arithmetic... the 11st term is 10 and common difference is 5... substitute them to find the matching formula

  2. anonymous
    • 4 years ago
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    10+(n-1)5

  3. campbell_st
    • 4 years ago
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    oops should read the 1st term is 10

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