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victus00 [196]
3 years ago
8

William has a 26-liter glass tank. First, he wants to put some marbles into it, all of the same volume. Then, he wants to fill t

he tank with water until it's completely full. If he uses 85 marbles, he will have to add 20.9 liters of water.
What is the volume of each Marble?

How much water is necessary if William uses 200 marbles? ​
Mathematics
1 answer:
ELEN [110]3 years ago
8 0
Snejiejcjdjdkxmxmxmcm j ncmmcmdmeme
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Answer:

The required probability is 0.048

Step-by-step explanation:

Consider the provided information.

Out of 52 card we need to select only 2.

Therefore the sample space is: ^{52}C_2=1326

One card is Ace. The number of Ace are 4 and we need to select one of them.

This can be written as: ^4C_1=4

The second card can be Ten or a Jack or a Queen or a King.

There are 4 Ten, 4 jack, 4 Queen, and 4 king in a deck and we need to select only 1 out of them.

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This can be written as: ^{16}C_1=16

Thus, the probability that one of the cards is an ace and the other one is either a ten, a jack, a queen or a king is:

P=\frac{16\times4}{1326}\approx0.048

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