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compound inequalities

x ≥ 661.424°F or x[661.424,∞) and x ≤ - 27°F or x(-∞,-27]

Step-by-step explanation:

The melting point of the substance is - 32.78°C, then the melting point in °F is given by  

⇒

⇒

⇒ F = - 27.004°F

Again, the boiling point of the substance is 349.68°C, hence, the boiling point in °F is  

⇒ F = 661.424°F

Therefore, the range of temperature in °F for which the substance will not be in liquid state will be x ≥ 661.424°F or x[661.424,∞) and x ≤ - 27.004°F or x(-∞,-27.004], where x is the temperature of the substance in °F. (Answer)

16.9 times 2.85

step-by-step explanation:

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