Mathematics: 11. the regression equation y=2x + 8 represents how many minutes a sound will last after applying x pounds of pressure to the system. if 4 pounds are applied, how long should we expect the sound to last.

11. the regression equation y=2x + 8 represents

Ответ:

diego4325

04.01.2022

Mathematics

Then y=2(4)+8
=8+8
=16

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Ответ:

zach8782

18.02.2020

Mathematics

$3*10^8 \frac{m}{s} \\\\ 1m\to 10^{-3}km \\\\ 1s\to 36*10^{-4} h \\\\\\ 3*10^8* \frac{10^{-3}km}{36*10^{-4}s}= 10^8 * \frac{10^{-3}*10^4km}{12s}= \\\\ =10^8* \frac{10m}{12s}= \\\\ =10^8* 83*10^{-2} \frac{m}{s}=\\\\= \boxed{83*10^6 \frac{m}{s}}$

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11. the regression equation y=2x + 8 represents how many minutes a sound will last after applying x pounds of pressure to the system. if 4 pounds are applied, how long should we expect the sound to last.

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