lopezalex533 lopezalex533

04-11-2017
Mathematics

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The sequence {[tex] a_{n} [/tex]} is defined by [tex] a_{1} [/tex] = 5 and [tex] a_{n+1} = a_{n} +7 for n=1,2,3,..[/tex] what is the value of [tex] a_{5} [/tex]

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dannielle dannielle

04-11-2017

a1=5
a2=a1+7=5+7=12
a3=a2+7=12+7=19
a4=a3+7=19+7=26
a5=a4+7=26+7=33

or a5=a1+4*7=5+28=33

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