superstarsara5ouh83x
18.07.2019 •
Mathematics
Newton’s law of cooling states that for a cooling substance with initial temperature t0 , the temperature t(t) after t minutes can be modeled by the equation t(t)=ts+(t0−ts)e−kt , where ts is the surrounding temperature and k is the substance’s cooling rate. a liquid substance is heated to 80°c . upon being removed from the heat, it cools to 60°c in 25 min. what is the substance’s cooling rate when the surrounding air temperature is 50°c ? round the answer to four decimal places. 0.0439 0.0532 0.0613 0.0872
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Ответ:
Ответ:
1.2 per month and 24/10= 2.4, so 2.4 would be the length in 2 months
Step-by-step explanation:
This is a ratio so:
6/5=1.2
24/10=2.4
So 1.2cm is the amount that grows in a month, and 2.4 is undefined...
What is common about 1.2 and 2.4?... 2.4 is two times the amount of 1.2, this means that the conclusion is that 2.4 is the amount that the horse mane grows in 2 months.
Hope this helps :)