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WINSTONCH [101]
3 years ago
10

If a1=7 and d=28, find a9

Mathematics
1 answer:
Mariulka [41]3 years ago
6 0

Answer:

63

Step-by-step explanation:

Since a1=7 and the question is to find a9, you just have to multiply 7 and 9 which is 63

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