2 years ago

Arnold borrowed $7890 at 11.5 percent for five years.

Mathematics

1 answer:

GrogVix [38]2 years ago

4 0

The answer is 9,520 I think

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Answer:

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Step-by-step explanation:

I guess its an = 4*(3)^(n-1)

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so S9 = 4 *(3^9 - 1) / (3 - 1)

= 4 * (19683 - 1) / 2

= 78728/2

= 39364.

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2 years ago

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chubhunter [2.5K]

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