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MissTica
3 years ago
11

Suppose that 5 identical red wooden blocks and 6 identical white wooden blocks are to be​ stacked, one on top of​ another, to fo

rm one tall tower of blocks. How many different colour patterns can​ result?
Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
6 0
This is the concept of permutations, to get the number of different colour patterns obtained when 5 identical red wooden blocks and 6 identical wooded blocks stacked together, we calculate for their permutations which is:
6P5
=720
the answer is 720 patterns
valentina_108 [34]3 years ago
4 0

Answer:

462

Step-by-step explanation:

Firstly, we will calculate the number of ways we can arrange total number of wooden blocks. Lets say each of them are independent, so altogether we have 5+6=11 blocks. And number of ways to arrange 11 blocks would simply be: 11!.

Now, we need to figure out the number of ways 5 red wooden blocks can be arranged, it is 5! and the number of ways 6 white wooden blocks can be arranged is 6!. These are the ways they can be arranged in themselves.

So, we can now find how many different colour patterns can result by:

\frac{\text {ways all blocks can be stacked}}{\text{ways red blocks can be stacked} \times \text{ways white blocks can be stacked}}

So in this case it is:

=\frac{11!}{5! \times 6!} =462

Therefore, there could be 462 colour patterns.

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3 years ago
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