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Helen [10]
3 years ago
14

Each day the wildlife commission releases 100 fish into the Durkee River in the following proportions: 55 brown trout and 45 rai

nbow trout.All of the fish swim through a watch station, one at a time,on the way upstream.which of the following expression represents the way to calculate the probability of a passing fish being a rainbow trout? 1. 45/55 2. 45/ 100 3. 55/100 4. 55-45/100 5. 45 +55 /100
Mathematics
1 answer:
bazaltina [42]3 years ago
6 0
45/100 so, 45 of every 100 fish should be rainbow trout.
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sesenic [268]
Ok so the average is 50

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kumpel [21]

Answer:

The rational numbers are \frac{11}{3}, 6.25, 0.01045,\sqrt{\frac{16}{81}},0.\bar{42} and the irrational functions are \sqrt{48},\sqrt{\frac{3}{16}}.

Step-by-step explanation:

A rational number can be expressed in the form of \frac{p}{q}, where p and q are integers and q is not equal to 0. For example 2,3.5,\frac{2}{5},....

An irrational function can not be expressed in the form of \frac{p}{q}, where p and q are integers and q is not equal to 0. For example \sqrt{2},\sqrt{3},\sqrt{5},....

If any number is multiplied by a irrational number then the resultant number is an irrational number.

By the above definition we can conclude that:

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The number \frac{16}{81} is a rational number.

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The number \frac{3}{14} is an irrational number.

0.\bar{42}=\frac{42}{99}

Therefore 0.\bar{42} is an irrational number. The numbers with recursive bar are always rational numbers.

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