3 years ago

Helppp. How do we get the triangles together?

Mathematics

1 answer:

Darina [25.2K]3 years ago

4 0

Answer:

You have to rotate/mirror

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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creativ13 [48]

Answer:

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Step-by-step explanation:

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The pair of linear equations 6 x + 4 y = 5 and 3 x + 2 y = 10 is *

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Answer:

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Step-by-step explanation:

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Express the series using sigma notation 6b + 3b + 0 + (-3b) + (-6b).

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Answer:

Step-by-step explanation:

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