Hi there!!
Your answer is 20.
Since A = 40 and B = 20
Subtract 40 by 20 to get 20 (40 - 20 = 20)
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Answer:
After 15 minutes, the temperature of both the furnaces will be same.
Step-by-step explanation:
Let 
be the minutes when the temperature of both becomes same.
Now, as per question:
Temperature of the furnace after minutes that is cooling at the rate of 15 degree per minute is given as:
Temperature of the furnace after minutes that is heating at the rate of 5 degree per minute is given as:
Now, equating both the temperatures, we get
Therefore, after 15 minutes, the temperature of both the furnaces will be same.
Answer is B. 48
By circle theorem, the angle at the centre of the circle is twice the angle at the circumference.
Answer:
The second choices is the answer
{(-6,6), (8, 2), (8, -1), (3,3)} as you can see there's a repeating value of x or the Domain which is the 8.
Answer:
1/20
there are 20 students altogether
Step-by-step explanation:
um I'm not sure
