Answer:
x=
Step-by-step explanation:
3x-12-6x+21=23
-3x+9=23
-3x=14
x=
Answer:
300
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
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Answer:
Your answer is 15
Step-by-step explanation:
1) 6 + 4 = 10
2) -4 + -1 = -5
3) now add
4) 10 + -5 + 15
5) it's 15 because the bigger is positive.
The height of the tower roughly equals 41.421 meters.