Mathematics, 07.07.2019 05:00 nnamdi
In city a, the temperature rises 4 degrees °f from 8 a. m. to 9 a. m. then the temperature drops 7 degrees °f from 9 a. m. to 10 a. m. in city b, the temperature drops 6 degrees °f from 8 a. m. to 9 a. m. then the temperature drops 2 degrees °f from 9 a. m. to 10 a. m. write an expression that represents the change in temperature from 8 a. m. to 10 a. m. for each city. simplify and interpret each sum. use pencil and paper. which city has the greater change in temperature?
Answers: 1
where 
stands for change in the subscripted time interval.
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In city a, the temperature rises 4 degrees °f from 8 a. m. to 9 a. m. then the temperature drops 7 d...
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