Answer: 51 notes span 6 octaves.
Step-by-step explanation:
The word "octave" is a Latin word that means "eight".
In an instrument, Each octave is made up of 8 musical notes.
If we have 51 notes , the number of octaves can be made in it =
Hence, 51 notes span 6 octaves.
7. She is not correct. The simplification of this expression is 22a-32.
8. She is correct. The simplification of this expression is 4a-10.
The last one is tricky because I honestly do not know how to do it but you can google It.
I hope that it helped some though
That line is called an apothem.
In a hexagon, the side length = radius
apothem = side length / (2 * tan (180/#sides))
apothem = 8.5 / (2 * tan (180 / 6))
apothem = 8.5 /( 2 * tan (30))
apothem = 8.5 / 2 * tan (30)
apothem = 8.5 / 2 * 0.57735
apothem =
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7.3612193643
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Source:http://www.1728.org/polygon.htm