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puteri [66]
2 years ago
5

What is a pair of overlapping triangles?

Mathematics
1 answer:
ollegr [7]2 years ago
8 0
Answer: Triangle EDB and Triangle DEC

Explanation: You can see the overlapping if you look very careful. You can see a little triangle formed of DFE.
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3 years ago
If 32 teams participate in a standard single elimination tournament, how many games must be played to decide a champion?
SCORPION-xisa [38]
<h3>Answer: 31 games</h3>

======================================================

Explanation:

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----------------

Or as a shortcut we can simply subtract off 1 since 1+2+4+...+2^n = 2^(n+1)-1

We can write that rule as

\displaystyle \sum_{k=1}^{n}2^k = 2^{n+1}-1

which is equivalent to

\displaystyle \sum_{k=1}^{n}2^{k-1} = 2^n-1

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