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Vinil7 [7]
3 years ago
13

Find a12 in the sequence -4, 12, -36

Mathematics
1 answer:
Semmy [17]3 years ago
3 0
A12= 708588


Formula: a1 * r^n-1
a12= -4 * (-3) ^12-1
a12= -4 * (-177147)
a12= 708588
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Answer:

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6 0
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Please solve thisss​
lidiya [134]

Answer:

1,570

Step-by-step explanation:

10×2=20

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20+60+150+ 280 +250+ 280+ 630=1,570

this is the answer

4 0
3 years ago
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And a pentagon has 5 sides so you would add 9, five times.

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Hope this helps. :)

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4 years ago
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