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Alexxx [7]
4 years ago
11

Write an equation for the nth term of the arithmetic sequence a4=12, d=.25

Mathematics
1 answer:
Olin [163]4 years ago
5 0
Hello,


u_{4}= 12+(4-4)*\frac{1}{4}\\

u_{3}= 12+(3-4)*\frac{1}{4} \\

u_{2}= 12+(2-4)*\frac{1}{4} \\

u_{1}= 12+ (1-4)*\frac{1}{4} \\

u_{5}= 12+ (5-4)*\frac{1}{4} \\

u_{6}= 12+ (6-4)*\frac{1}{4} \\
...\\

\boxed{u_{n}= 12+ (n-4)*\frac{1}{4}} \\




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