Algebraic form of an arithmetic sequence is 3n+5
a) Find the first term and the common difference?
b) Find the 15th term?
c) Does the difference of any two terms of this sequence is 200? Why?
answer simple
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Answer:
f=8
d=3
x15=50
Step-by-step explanation:
f=3+5
d=the coefficient of n
x15=f+(n-1)d
x15=8+(15-1)3
8+42
=50
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