Matter is in a liquid state when its temperature is between its melting point and its boiling point. Suppose that some substance
has a melting point of - 39.76°C
and a boiling point of 388. 23°C. What is the range of temperatures in degrees Fahrenheit for which this substance is not in a liquid state? (Hint: C F - 32)
(
Express the range as an inequality and in interval notation
Let x represent the temperature in degrees Fahrenheit. What is the range of temperatures for which this substance is not in a liquid state?
(Type an inequality or a compound inequality. Simplify your answer. Use integers or decimals for any numbers in the expression. Round to three decimal places as
needed.)
and a boiling point of 388. 23°C. What is the range of temperatures in degrees Fahrenheit for which this substance is not in a liquid state? (Hint: C F - 32)
(
Express the range as an inequality and in interval notation
Let x represent the temperature in degrees Fahrenheit. What is the range of temperatures for which this substance is not in a liquid state?
(Type an inequality or a compound inequality. Simplify your answer. Use integers or decimals for any numbers in the expression. Round to three decimal places as
needed.)
1 answer:
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Answer: 90 degrees clockwise
This is equivalent to 270 degrees counterclockwise
The rule for either rotation is
The x and y coordinates swap places, and the new second coordinate flips from positive to negative (or vice versa).
The diagram below shows an example of this for the point (-4,-2) rotating to (-2, 4). The center of the rotation is the origin (0,0).
