smattsertified smattsertified

03-02-2017
Mathematics

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In a sequence, the first term is 4 and the common difference is 3. The fifth term of this sequence is

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LammettHash LammettHash

07-02-2017

[tex]a_2=a_1+d[/tex]
[tex]a_3=a_2+d=a_1+2d[/tex]
[tex]a_4=a_3+d=a_1+3d[/tex]
[tex]a_5=a_4+d=a_1+4d[/tex]

Since [tex]a_1=4[/tex] and [tex]d=3[/tex], the fifth term is

[tex]a_5=4+4\times3=16[/tex]

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