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Tresset
[83]
2 years ago
7
The 8th and 20th terms of an arithmetic sequence are 20 and 56 respectively. What is the 1st term of the sequence.
Mathematics
Answer
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1
answer:
Ostrovityanka
[42]
2 years ago
6
0
Answer:
<h3> a₁ = -1</h3>
Step-by-step explanation:
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