Answer:
When heated calcium carbonate forms calcium oxide and carbon dioxide.
i dont know, my personal thoughts is that I will not do it:)
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The domain is the value of x, the range is the value of y.
A parabola opens infinitely to the right and left, so x can be any number, the domain is all real numbers
Vertically, however, a parabola opens only one way, either upward or downward. when it opens upward from a a certain level, say, the lower point (the vertex) has a y coordinate of 2, we say the range is all real numbers larger than or equal to 2, or y≥2. When it opens downward, we say the range is all real numbers smaller or equal to 2, y≤2
(is/of=%/100)
(12/x= 35/100) = 34.29
(500/400=x/100) = 125
