The last one
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Answer
Step-by-step explanation:
A=2πrh+2πr2=2·π·3·6+2·π·32≈169.646
All the interior angles of a triangle always add up to 180 degrees.
3x + (2x + 20) + (4x - 20) = 180
3x + 2x + 20 + 4x - 20 = 180
3x + 2x + 4x + 20 - 20 = 180
10x = 180
x = 180/10
Therefore, x = 18
Answer: 2000 tickets were sold
Step-by-step explanation:
8000 divided by 40 percent is 200
N and n+2 because if n=1 then you do 1+2 and that equals 3. So then you have 1,3
