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3 years ago

Sean received both the 5th highest and the 5th lowest mark in the class. How many students are there in the class?.

SAT

1 answer:

kolezko [41]3 years ago

5 0

If we read the complete exercise, we can understand that the correct answer is 9 students.

This is a math related exercise.

If we take into consideration that Sean is the 5th highest in the class, it means that there are four more people before him.

However, he is also the 5th lowest mark in the class, so it means that there are four more people below him.

If we also count Sean, there are:

9 students in the class.

Check more information about math exercises here brainly.com/question/10704243?referrer=searchResults

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$a$ must be greater than zero
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<h2>Explanation:</h2>

The complete question is written in a comment above. The system of inequalities is the following:

$\begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}yx+b\end{array}\right.$

So, in order to find $a \ and \b$ you just need to replace both x and y-coordinates into our system. Therefore:

$\begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}00+b\end{array}\right. \\ \\ \\ Solving: \\ \\ \begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}0b\end{array}\right. \\ \\ \\ Finally: \\ \\ \begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}a>0\\b$

So the conclusion is:

$a$ must be greater than zero
$b$ must be less than zero

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Inequalities: brainly.com/question/12890742

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The role of grease in food processing?

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Based on the financial data (information) provided in the table (see attachment) and assuming a total fixed cost (TFC) of $5, the business firm's: B. economic profit is equal to $16, .

<h3>What is an economic profit?</h3>

An economic profit can be defined as a measure of the difference between the total revenue that a business firm (economic entity) has received from the sales of its products (outputs) and the opportunity costs of its inputs.

This ultimately implies that, an economic profit is equal to the total revenue minus total cost. Thus, it typically involves subtracting the total cost of a product from the total revenue that a business firm (economic entity) receives through it sales.

Based on the financial data (information) provided in the table (see attachment), we can infer and logically deduce that business firm's economic profit is equal to $16, assuming a total fixed cost (TFC) of $5.

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