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2 years ago

Microorganisms that infect the middle ear cavity most frequently come from the __________

Biology

1 answer:

topjm [15]2 years ago

7 0

Microorganisms that infect the middle ear cavity most frequently come from the pharynx.

<h3>What is pharynx?</h3>

A hollow tube called the pharynx extends from the back of the nose down the neck and finishes at the top of the trachea and esophagus.
The nasopharynx, oropharynx, and hypopharynx are the three components of the pharynx.
The pharynx, sometimes known as the throat, is a component of the digestive and respiratory systems.
It transports food, liquid, and air from the mouth and nose downward.
Common infections like tonsillitis and a sore throat can spread to the pharynx.
The throat is a muscular tube that resembles a ring and serves as the conduit for liquids, food, and air.
It connects the mouth and nose to the breathing passages and the esophagus and is situated behind the nose and mouth.

Learn more about pharynx here:

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The table shows the total number of posts made by the average registered user of a new social media app in the first week

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Linear equations are used to represent relations that have constant rates

The linear regression equation that models the data in this table is $\^y = 2.40476x + 0.33333$

<h3>Regression equation using a graphing calculator</h3>

To calculate the regression equation, we make use of a graphing calculator.

Using the graphing calculator, we have the following data:

Sum of X = 28
Sum of Y = 70
Mean X = 3.5
Mean Y = 8.75
Sum of squares (SSX) = 42
Sum of products (SP) = 101

<h3 /><h3>Formulating the regression equation</h3>

The regression equation is represented as:

$\^y = b\^x + a$

Where:

$b = \frac{SP}{SSX}$ and $a = MY - bMX$

So, we have:

$b = \frac{101}{42}$

$b = 2.40476$

Also, we have:

$a = MY - bMX$

$a= 8.75 - 2.4\times 3.5$

$a= 0.33333$

Hence, the linear regression equation is:

$\^y = 2.40476x + 0.33333$

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Answer:

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Explanation:

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Answer:

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