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Alex787 [66]
3 years ago
10

Write an equation, in slope-intercept form, to model each situation. You rent a bicycle for $20 plus $2 per hour.​

Mathematics
1 answer:
Leona [35]3 years ago
3 0
Y=2x+20 x represents hours
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The correct answer would be C
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A poker hand consisting of 9 cards is dealt from a standard deck of 52 cards. Find the probability that the hand contains exactl
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Answer: \dfrac{^{12}C_{6}\times^{40}C_3}{^{52}C_9} or  \dfrac{228}{91885} .

Step-by-step explanation:

Given : A poker hand consisting of 9 cards is dealt from a standard deck of 52 cards.

The total number of cards in a deck 52

Number of faces cards in a deck = 12

Number of cards not face cards = 40

The total number of combinations of drawing 9 cards out of 52 cards = ^{52}C_9

Now , the combination of 9 cards such that exactly 6 of them are  face cards =  ^{12}C_{6}\times^{40}C_3

Now , the probability that the hand contains exactly 6 face cards will be :-

\dfrac{^{12}C_{6}\times^{40}C_3}{^{52}C_9}

=\dfrac{\dfrac{12!}{6!6!}\times\dfrac{40!}{3!37!}}{\dfrac{52!}{9!\times43!}}\ \ [\because\ ^nC_r=\dfrac{n!}{r!(n-r)!}]\\\\=\dfrac{228}{91885}

Hence, the probability that the hand contains exactly 6 face cards. is  \dfrac{228}{91885} .

6 0
3 years ago
Which is the product of 7/9 and 6 in a fraction
dybincka [34]

Answer: 14/3

Step-by-step explanation: (7/9) (6) = 54/9 = 14/3

3 0
3 years ago
Jake has three different colored pens in his book bag: blue, green and purple. The probability of randomly choosing a blue pen f
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Answer:

the Pearson above me is right

Step-by-step explanation:

4 0
3 years ago
Which table shows a decreasing linear relationship?
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