islamitchell062 islamitchell062
  • 24-07-2017
  • Mathematics
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Given the Arithmetic sequence A1,A2,A3,A4 A1,A2,A3,A4 45, 58, 71, 84 What is the value of A43 A43 ?

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merlynthewhizz
merlynthewhizz merlynthewhizz
  • 31-07-2017
The rule for the Arithmetic sequence is adding 13

The formula is given in the form
[tex]n_{th} [/tex] term = [tex]dn- 0^{th} [/tex] term. where [tex]d[/tex] is the difference between consecutive terms

We have [tex]d=13[/tex] and the [tex]0^{th} [/tex] term = 45 - 13 = 32

The formula for the sequence in question is given by
[tex]n_{th} [/tex] term = 13n + 32

Hence, the [tex]43^{th} [/tex]term is given = 13(43) + 32 = 591
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