armin2
armin2
17-06-2017
Mathematics
contestada
Piz help me out with this one
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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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