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Viktor [21]
2 years ago
10

The daily listening audience of an AM radio station is four times as large as that of its FM sister station. If 105,000 people l

isten to these two radio stations, how many listeners does the FM station have?
Mathematics
1 answer:
Natasha2012 [34]2 years ago
5 0

The number of listeners is given from the total number of listeners and

the ratio of the listeners between the two stations.

Required:

  • <u>The FM sister station has 21,000 listeners</u>

<h3>How is the given ratio of listeners used to find the number of listeners?</h3>

Given:

The daily listening audience of the AM station = 4 × The audience of the FM sister station

The number of people that listen to the two stations = 105,000

Required:

The number of listeners of the FM station

Solution:

The ratio of the listeners is 1:4

Let <em>x</em> represent the number of listeners of the FM sister station, we have;

The number of listeners of AM radio station = 4·x

Which gives;

4·x + x = 105,000

5·x = 105,000

x = \dfrac{105,000}{5} = \mathbf{21,000}

  • The number of listeners of the FM sister station, x = <u>21,000</u>

<em />

<em>The number of listeners of he radio station = 21,000 × 4 = 84,000</em>

Learn more about ratios here:

brainly.com/question/2288625

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Answer:

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Vedmedyk [2.9K]

Answer:

The roots of the equation are x = \frac{3+\sqrt{151}i}{10} and x = \frac{3-\sqrt{151}i}{10}

and there are no real roots of the equation given above

Step-by-step explanation:

To solve:

5x² − 3x + 17 = 9

or

⇒ 5x² − 3x + 17 - 9 = 0

or

⇒ 5x² − 3x + 8 = 0

Now,

the roots of the equation in the form ax² + bx + c = 0 is given as:

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in the above given equation

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therefore,

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or

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or

x = \frac{3+\sqrt{151}i}{10} and x = \frac{3-\sqrt{151}i}{10}

here i = √(-1)

Hence,

The roots of the equation are x = \frac{3+\sqrt{151}i}{10} and x = \frac{3-\sqrt{151}i}{10}

and there are no real roots of the equation given above

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