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harina [27]
3 years ago
5

Evaluate 3|-4| 2 -2 1

Mathematics
1 answer:
Romashka [77]3 years ago
3 0

Answer: 12

Step-by-step explanation: 3 times 4=12

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A friend of mine is giving a dinner party. His current wine supply includes 9 bottles of zinfandel, 7 of merlot, and 11 of caber
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Answer: a) 783 ways; b) 593775 ways

Step-by-step explanation:

a) Your friend wants to select 3 zinfandel out of 9 from the supply in a particular order, which means:

P_{n,r} = \frac{n!}{(n-r)!}

P_{9,3} = \frac{9!}{(9 - 3)!}

P_{9,3} = \frac{9.8.7.6!}{6!}

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In the dinner party, the friend will have 783 ways of serving the zinfandel.

b) Now, your friend want to select 6 bottles out of 30 in no particular order and randomly selected. So:

C_{n,r} = \frac{n!}{r!(n - r)!}

C_{30,6} = \frac{30!}{6!.24!}

C_{30,6} = \frac{30.29.28.27.26.25.24!}{6.5.4.3.2.1.24!}

C_{30,6} = 593775

If you select 6 bottles randomly from 30, you will have 593775 ways of doing it.

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Roberto lives inland in North America. He measured the temperature and precipitation during one winter month and calculated the
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warm front

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