2 years ago

The fourth term of a sequence is 14. Each term of the sequence is 8 less than the previous term. Which recursive formula represe

nts the situation?

Mathematics

1 answer:

grigory [225]2 years ago

3 0

$a_4=14\\d=-8\\\\a_n=a_1+(n-1)d\\\\a_n=14+(n-1)\cdot(-8)\\\\a_n=14-8n+8\\\\a_n=22-8n$

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Answer:

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Step-by-step explanation:

Given

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interior angles are

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Since the sum of the interior angles is equal to the exterior, hence;

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Get m<CDE

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m<CDE = 7(7) - 19

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