Which Term Of The Arithmetic Sequence 4,1,-2,-5.....Is -29?
Which term of the arithmetic sequence 4,1,-2,-5.....is -29?
Answer:
n=12
Step-by-step explanation:
An=a1+(n-1)d
An=-29
a1=4
d=-3
n=?
-29=4+(n-1)(-3)
−29=−3n+7
−3n=−36
n=12
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