HELP PLEASE
Amy is backpacking with her friends. At the base of a hill, they find the temperature to be 22.9°C. As they reach the summit situated at a height of one kilometer, they notice that the temperature has dipped to 17.5°C.
If h represents the height and T represents the temperature, which of the following equations can be used to model this situation?

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Ответ:

samanthaepperson

29.04.2021

Mathematics

$2x-3y < 12\ \ \ |-2x\\\\-3y < -2x+12\ \ \ |\text{change signs}\\\\3y 2x-12\ \ \ |:3\\\\y \dfrac{2}{3}x-4\\\\y=\dfrac{2}{3}x-4\\\\for\ x=0\to y=\dfrac{2}{3}\cdot0-4=-4\to(0;-4)\\\\for\ x=3\to y=\dfrac{2}{3}\cdot3-4=2-4=-2\to(3;-2)$
Look at the picture.

Which is the graph of the linear inequality 2x – 3y < 12?

Which is the graph of the linear inequality 2x – 3y < 12?

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