The temperature changed from 11 degrees C at noon to -4 degrees C at 8:00 p.m. How many degrees did the temperature drop. Please illustrate answer.

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i need help on solving linear Systems of equations by linear combination. please help me with this. because i have a test tommorrow on these kind of problems. please send me as soon as possible. thank you very much!!

Temp change=Noon - evening= 11 - (-4)=15.

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To find out how many degrees the temperature dropped, we need to calculate the difference between the initial temperature at noon and the final temperature at 8:00 p.m.

Step 1: Subtract the initial temperature from the final temperature.
-4 degrees C - 11 degrees C = -15 degrees C

Step 2: The negative sign indicates a drop in temperature. Since the absolute value of -15 is 15, we can say that the temperature dropped by 15 degrees Celsius.

Therefore, the temperature dropped by 15 degrees Celsius.