When played, the middle c key on a piano has a frequency of 262 cycles per second. What sine function represents this note when it is graphed with an amplitude of 0.5 unit? Let x represent the number of seconds.

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f(x)=

answer: 177/8

step-by-step explanation:

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tyuiop[]ghjkl;

step-by-step explanatio89

the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

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