Which inequality best models the situation if variable t is the temperature in degrees Celsius? A severe weather warning is issued when temperatures fall below –18.5°C. Show the possible temperatures when the alert is issued. A. t –18.5 and t must be a positive number.

Question

Which inequality best models the situation if variable t is the temperature in degrees Celsius? A severe weather warning is issued when temperatures fall below –18.5°C. Show the possible temperatures when the alert is issued. A. t < –18.5 and t may be a negative number. B. t < –18.5 and t must be a positive number. C. t > –18.5 and t may be a negative number. D. t > –18.5 and t must be a positive number.

jigglypuff314 · Answer

–18.5°C  is a negative number
any number below 0 is a negative number
so any number below -18.5 is also a negative number

below = "less than" =  <

anonymous · Answer

what letter is that

jigglypuff314 · Answer

http://openstudy.com/code-of-conduct This site has a policy for "Give Help, Not Answers" violations of such policies could potentially result in an account suspension or ban. Therefore I cannot give answers. I gave you what you needed to know, read and you can figure it out :)

calculusxy · Answer

Since we know that t will be the temperature for the area and it will be less than -18.5 degrees Celsius, numbers less than a negative are negative. 
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