Answer: 29
Let a1=49 and then find the nth term of 9,
9=49 + (n-1)(-4)
n=11 therefore the arithmetic mean between 49 and 9 fall at a6
finding a6
a6 = 49 +(6-1)(-4)
a6 = 29
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Answer: 29
Let a1=49 and then find the nth term of 9,
9=49 + (n-1)(-4)
n=11 therefore the arithmetic mean between 49 and 9 fall at a6
finding a6
a6 = 49 +(6-1)(-4)
a6 = 29