jmullins3611
19.04.2021 •
Mathematics
Suppose a cup of cocoa cooled from 90 c to 60 c after 10 minute in a room whose temperature was 20 C
A) what is the temperature after 15 minutes?
B) How long will it take to decrease to 45 C
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Ответ:
2.) y = 2x - 7
3.) y = 5x + 3
4.) y = 2x - 4
5.) m = 3 y = 1
6.) m = 4 y= -3
7.) m= 5/4 y= 3
8.) m = 2/3 y = -5/3