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bulgar [2K]
3 years ago
10

A bag contains 8 red marbles, 3 blue marbles and 6 green marbles. If three marbles are drawn out of the bag, what is the probabi

lity, to the nearest 1000th, that all three marbles drawn will be red?
Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
5 0

Answer:

0.082

Step-by-step explanation:

There are a total of 17 marbles, 8 of which are red.

The probability that the first marble is red is 8/17.

The probability that the second marble is red is 7/16.

The probability that the third marble is red is 6/15.

Therefore, the probability that all three marbles are red is:

P = 8/17 × 7/16 × 6/15

P = 7/85

P = 0.082

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Here :)

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4 years ago
Smplify the expression:<br> 5+6i/4+6i
skelet666 [1.2K]
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3 years ago
the perimeter of a rectangle is 192 ft. the ratio of its length to its width is 7:5 what are dimensions of the rectangle?
Jobisdone [24]

Answer:  Hence the dimensions are 56 ft and 40 ft.

Step-by-step explanation:

Alright, lets get started.

The ratio of sides of rectangle is given as 7:5.

It means, the length of rectangle is : 7x

It means, the width of rectangle is : 5x

So the perimeter of rectangle will be : 2(length + width)

Plugging the value of sides length and width,

the perimeter of rectangle will be : 2\times(7x+5x)

the perimeter of rectangle will be : 2\times 12x

the perimeter of rectangle will be : 24x

As per question, the given perimeter is 192, so

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Dividing 24 in both sides,

x=\frac{192}{24}

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valina [46]

Answer:

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Step-by-step explanation:

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Rounding the answer to a tenth of a cubic inch, we get:

Volume = 1114.1 in^3

7 0
3 years ago
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