A note has a wavelength of 0.77955 m. If the speed of sound is 343.00 m/s, what pitch is this note?
1 answer:
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Answer:
The value of x is 11.
Step-by-step explanation:
We can see from the diagram attached that the 9x° and the (7x+4)° are co-interior angles.
The reason is that, the two bases of the trapezoid are parallel.
Co-interior anlges or same side interior angles are supplementary.
This implies that:
