A thermometer is taken from a room where the temperature is 23oC to the outdoors, where the temperature is −9oC. After one minut
e the thermometer reads 15oC.
(a) What will the reading on the thermometer be after 4 more minutes?
(b) When will the thermometer read −8oC?
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Answer:

Step-by-step explanation:
Temperature in the room 
Decrease in the temperature(outdoors) in
 in  .
.
Rate of decrease

(a) After  
 

But it is not possible as outdoor temperature is  so after
 so after  temperature decrease will not occur.
 temperature decrease will not occur.
Hence after  more minutes temperature=
 more minutes temperature=
(b) Let after  temperature is
 temperature is 
Here 

 
                                
             
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Answer:
I hope this helps!
Step-by-step explanation:
ACB