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Triss [41]
3 years ago
8

Which property is used to solve 3X31X10

Mathematics
1 answer:
Hatshy [7]3 years ago
8 0
It’s 930 because if u multiply 3*31 equals 93 and multiply 93*10 equals 930
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3 years ago
The price of orange juice is believed to increase by 14% over the next year. If a gallon of orange juice costs $3.00 now, what w
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Step-by-step explanation:

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If 32 teams participate in a standard single elimination tournament, how many games must be played to decide a champion?
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<h3>Answer: 31 games</h3>

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

Explanation:

  • 32/2 = 16 games will happen in round 1. Afterward, 16 teams are left.
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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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3 years ago
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Step-by-step explanation:

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Simplify by combining like terms: <br><br> 4a + 3(5a - 2)
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Step-by-step explanation:

4 0
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