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Lemur [1.5K]
3 years ago
13

There are 12 marbles in a bag, and the marbles are either yellow or green. Two marbles will be randomly picked from the bag, wit

hout replacing the first one picked. The probability that both marbles will be yellow is 5/33 . How many YELLOW marbles are in the bag? A) 4 B) 5 C) 6 D) 7
Mathematics
2 answers:
olga2289 [7]3 years ago
7 0

Answer:

B) 5

Step-by-step explanation:

The probability of picking yellow first is x/12. The probability of picking yellow second is x-1/11. This will give a solution of x(x-1)/132*5/33 is equivalent to 20/132. 5 and 4 are the only two consecutive numbers that when multiplied together equal 20. Therefore there are 5 yellow marbles in the bag.

ale4655 [162]3 years ago
6 0

Answer:

d

Step-by-step explanation:


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katovenus [111]

1 \frac{4}{5}

change 1 \frac{1}{5} to an improper fraction = \frac{6}{5}

to divide change  ÷ to × and turn the divisor upside down

\frac{6}{5} ÷ \frac{2}{3} = \frac{6}{5} × \frac{3}{2}

=  \frac{18}{10} = \frac{9}{5} = 1 \frac{4}{5}


3 0
3 years ago
Tj Max is offering a 15% discount on all items .The new price of a pair of jeans is 44.20 .What was the original price
dolphi86 [110]

Answer:

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Step-by-step explanation:

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3 years ago
35 ÷ (12-5)
Tresset [83]
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4 0
1 year ago
subset to real numbers, and as you can see are not at all connected to the rest of numbers (and integers).
Natali5045456 [20]

Irrational numbers are the subset of real numbers that are not at all connected to the rest of numbers.

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For example:-

1 is a natural number, whole number, integer, rational number but not irrational number. On the other hand, \sqrt{2} is an irrational number but none of the rest.

To learn more about real numbers, here:-

brainly.com/question/551408

#SPJ4

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Ugo [173]

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Step-by-step explanation:

no solution

5 0
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