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liraira [26]
3 years ago
10

What value is added to the both sides of the equation x^2-6x=10 in order to solve by completing the square?

Mathematics
1 answer:
mina [271]3 years ago
5 0

I believe that the answer would be to add 10 to both sides, srry if I'm incorrect!

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Eights rooks are placed randomly on a chess board. What is the probability that none of the rooks can capture any of the other r
erastova [34]

Answer:

The probability is \frac{56!}{64!}

Step-by-step explanation:

We can divide the amount of favourable cases by the total amount of cases.

The total amount of cases is the total amount of ways to put 8 rooks on a chessboard. Since a chessboard has 64 squares, this number is the combinatorial number of 64 with 8, 64 \choose 8 .

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Thus, the total of favourable cases is equal to the total amount of bijective functions between a set of 8 elements. This amount is 8!, because we have 8 possibilities for the first column, 7 for the second one, 6 on the third one, and so on.

We can conclude that the probability for 8 rooks not being able to capture themselves is

\frac{8!}{64 \choose 8} = \frac{8!}{\frac{64!}{8!56!}} = \frac{56!}{64!}

7 0
3 years ago
Can anyone please help me with this!!! :(
UkoKoshka [18]

Answer:

ano ba gagawin

parang Ang Dali pero ano gagawin dyan

3 0
3 years ago
Read 2 more answers
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