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lord [1]
3 years ago
9

I need help asap thank you marking brainliest

Mathematics
1 answer:
FromTheMoon [43]3 years ago
7 0

Answer:

a_{20} = 12+3(20-1)

Step-by-step explanation:

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<h3>What is the combination?</h3>

The arrangement of the different things or numbers in a number of ways is called the combination.

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