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Hunter-Best [27]
3 years ago
13

PLEASE HELP MARKING BRAINLIEST

Mathematics
1 answer:
xeze [42]3 years ago
4 0

Answer:

a5 =243 x (1/3)^(5-1) = 243x 1/81 =3

Explanation

a(n) = a(1) x r^(n-1)

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Answer:

A

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the height a creates with half of the baseline (5) and a leg (10) a right-angled triangle, and we can use Pythagoras to calculate a.

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10² = a² + 5²

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