BreBreDoeCCx
09.09.2020 •
Chemistry
"Which describes the relationship between the frequency, wavelength, and speed of a wave as the wave travels
hrough different media?
As speed changes, wavelength changes and frequency remains constant.
As speed changes, frequency changes and wavelength remains constant.
As speed changes, wavelength and frequency change.
O As speed changes, wavelength and frequency remain constant.
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Ответ:
2(82x²-26x+29)
Explanation:
(8x-7)(8x-7) + (10x+3)(10x+3)
[64x²-2(8x)(7)+49] + [100x²+2(10x)(3)+9]
64x²+100x²-112x+60x+58
164x²-52x+58
2(82x²-26x+29)