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  • 10-02-2017
  • Mathematics
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PLEASE ANSWER THIS ONE THANKS

PLEASE ANSWER THIS ONE THANKS class=

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Аноним Аноним
  • 10-02-2017
a) -9+18= 9 degrees ferhinhite
b) 67-(-25)= 92 degrees more
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Gisellefares Gisellefares
  • 10-02-2017

a) the temperature was -9 and now its 18

18 - -9 = 27

so it has risen 27 degrees.

if its easier add the 9 so it become 0 degrees than add the 18

so you end up with 9 + 18 = 27


b) -25 and 67

add 25 to get it to 0 degrees and now we only have to add 67 so it become a lot easier.

so 25 + 67 = 92


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