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Help i don’t know how to solve number 11, please

Help i don’t know how to solve number 11, please-example-1
User Daskus
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1 Answer

4 votes

Answer: 21, 32. 6, 12.

Explanation:

10 + 3d = 43. 3d = 33. d = 11.

3 x
r^(3) = 24.
r^(3) = 8. r = 2.

User Robert Petermeier
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8.3k points