Complete question :
In the evening, the temperature is 2828 degrees. By midnight it has dropped 3131 degrees lower. Between midnight and 4 am, it goes down 66 more degrees. Then, by 9 am, the temperature goes up 3030 degrees. Find the final temperature.
Answer:
-38°
Step-by-step explanation:
Evening temperature = 28°
By midnight = 31° lower
4am = 66° lower
9 a.m = 30° higher
Temperature at midnight :
28° - 31° = - 2°
Temperature at 4 a.m:
-2° - 66° = - 68°
Final temperature at 9a.m :
-68° + 30° = - 38°
The temperature at 9a.m is - 38°
8(x - 6) = 4x
Distribute.
8x - 48 = 4x
Subtract 8x from both sides.
8x -8x - 48 =4x -8x
Now you have...
-48 = -4x
Divide -4 by both sides.
-48/-4 = -4x/-4
12 = x
The number is 12.
Answer:
B)4
Step-by-step explanation:
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Answer:
Step-by-step explanation:
A
9514 1404 393
Answer:
x = 35
Step-by-step explanation:
It appears the only missing piece of the explanation is ...
x² = 1225 ⇒ x = 35
