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Ad libitum [116K]
2 years ago
13

How any is? 8m + 27 = 2m - 3 with procedure and testing

Mathematics
2 answers:
Bezzdna [24]2 years ago
4 0
Step by step hope this helps:)

givi [52]2 years ago
3 0
8m+27= 2m-3
take 2m and subtract it from 8m, this gives you 6m. now your equation is 6m+27=-3.
subtract 27 from -3, this will make it 6m=-30.
divide 30 by 6. this gives you your answer. m=-5, because -30 divided by 6 equals -5.
now to test it you can plug -5 into the equation in place of M. 8 times -5 equals -40, plus 27 equals -13. 2 times -5 equals -10 plus -3 equals -13.
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3 years ago
A flush in the card game of poker occurs if a player gets five cards that are all the same suit​ (clubs, diamonds,​ hearts, or​
Artyom0805 [142]

Answer:

The probability is 0.000495

Step-by-step explanation:

As per the question:

Total no. of cards in a deck = 52

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Now, we have to select 5 cards in a deck such that they belong to the same suit, i.e., spades.

The no. of ways of selecting 5 cards from a deck = ^{52}C_{5} = \frac{52!}{5!(52 - 5)!} = \frac{52!}{5!47!}

The no. of ways of selecting 5 cards from 13 spade cards = ^{13}C_{5} = \frac{13!}{5!(13 - 5)!} = \frac{13!}{5!8!}

Now,

Probability that the selected 5 cards are all spades, P(E)  = \frac{No.\ of\ ways\ of\ selecting\ 5\ cards\ from\ 13\ spade\ cards}{No.\ of\ ways\ of\ selecting\ 5\ cards\ from\ a\ deck}

P(E)  = \frac{^{13}C_{5}}{^{52}C_{5}}

P(E)  = \frac{\frac{13!}{5!8!}}{\frac{52!}{5!52!}}

P(E)  = \frac{\frac{13\times 12\times 11\tiems 10\times 9}{5\times 4\times 3\times 2\times 1}}{\frac{52\times 51\times 50\times 49\times 48}{5\times 4\times 3\times 2\times 1}}

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7 0
2 years ago
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