9) inequality: 4+x>13 Solution: x>9
10) x+19 ≥ 8.2 ; x≥-10.8
11) (Sorry I don’t know what the question means by “interpret”) 17+x ≤ 26; Solution: x ≤9
12) 785+x≤1500; Solution: x≤715
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➷ You would use the formula:
volume =
Substitute in the values:
(note: the radius is half the diameter)
volume =
Solve:
Volume = 226.1946711
I'm not sure how far you require it rounded, or if you want the whole value so I will just leave the entire value. If you need assistance with rounding it to specific figures, just comment down below and I'll help.
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Answer:
x=7
Step-by-step explanation:
3x+1=4x-6
take the x's in one side and the normal numbers on the other side.
3x-4x= -6-1
-x= -7
the substraction signs are crossed out, therefore
ans: x=7