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neonofarm [45]
3 years ago
7

If An=An−1 + 4 and A5 = 12, what is A7?

Mathematics
1 answer:
dangina [55]3 years ago
3 0

Answer:

The frequency of A7, which is two octaves above A5, is 3520 (880 x 2 x 2) Hz. The octave term is used in the musical composition to relate the same notes in the higher or lower scale of notes. The note in the one octave higher scale have a doubled frequency than in the neutral scale and The note in the one octave lower scale have a half frequency than in the neutral scale.

Step-by-step explanation:

MARK BRAINLIEST PLEASE!!!!!!!

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Fynjy0 [20]

Answer:

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Step-by-step explanation:

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5 0
2 years ago
The convex polygon below has 8 sides. Find the value of x ?
bulgar [2K]

The missing interior angle, x, of the convex polygon is 168⁰.

<h3>Sum of interior angles of convex polygon</h3>

The sum of interior angles of a convex polygon is calculated as follows;

S = (n - 2) 180

S = (8 - 2) 180

S = (6) 180

S = 1080

The missing interior angle, x, is calculated as follows;

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Learn more about interior angles of polygon here: brainly.com/question/24966296

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2 years ago
Find the value or X. Round your answer to the nearest tenth.
RSB [31]

Answer:

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x = 9.3

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