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slamgirl [31]
3 years ago
11

Adam bought 4 concert tickets online.Adam uses a website that charges a fee of $8 for each ticket. He spent the total$100.

Mathematics
1 answer:
Sphinxa [80]3 years ago
6 0

Answer:

He spent 32 dollars

Step-by-step explanation:

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Columba has two dozen each of n different colored beads. If
Lady_Fox [76]

Answer: The value of n = 7.

Step-by-step explanation:

Since we have given that

Number of beads is to selected = 20

Number of dozen each of n different colored beads = 2

Number of different colored beads = n

With repetitions of colors allowed.

Number of ways = 230,230

So, it becomes

^{20+n-1}C_{n-1}=^{19+n}C_{n-1}=^{19+n}C_{20}

now,

^{19+n}C_{20}=230,230

By hit and trial we get that

19+n=26\\\\n=26-19\\\\n=7

Hence, the value of n = 7.

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3 years ago
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igor_vitrenko [27]

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Step-by-step explanation:

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