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3 years ago

9

Help me please thank you (:

1 answer:

KonstantinChe [14]3 years ago

8 0

I'd say its C.15. hope this helps^-^

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3 years ago

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When n=1 there is 1 dot. when n=2 there are 3 dots, when n=3 there are 6 dots. notice that the total number of dots increases by

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<h3>Part A</h3>

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<h3>Part B</h3>

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2 years ago