17-06-2017
Mathematics

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Piz help me out with this one

Piz help me out with this one class=

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AwesomeMochi AwesomeMochi

17-06-2017

Answer: -2n+9

This is because the starting value is 9, so it has to be included in the equation.

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ghanami ghanami

17-06-2017

hello :
the formula is : an = a1+(n-1)d a1 : the first term d : is the common diff
an = 9+(n-1)(-2)
an =9-2n+2
an = -2n +[ 11 ]

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