<h2>
Answer:</h2>
12
<h2>
Step-by-step explanation:</h2>
<u><em>The mean is also the average.</em></u>
Add up all the number of students all together:
12+13+14+9
48
Now, Divide the total amount of students (48) by the amount of numbers you added (in this case, 48/4 because we added 4 numbers wich are 12+13+14+9)
The average amount of students is 12
Answer:
Correct
Step-by-step explanation:
Answer:
The average of all textbooks is $38.60.
Step-by-step explanation:
Here's why to calculate average we do sum of all numbers divided by the number of numbers, for example if we average 2 and 3, we do 2+3 divided by 2. Which happens to be 2.5. Now for this problem we divide the sum by 3.
Therefore getting our answer of $38.60.
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The simplified expression of the provided equation in standard form is -2p²-11p-35. Option 1 is the correct option.
<h3>What is the simplified form of an expression?</h3>
Simplified form of an expression is the simplest way of expression the term, by applying the required operations of mathematics.
The expression which is need to be simplified is,
First of all, open the brackets, using the formula of whole square,
Hence, the simplified expression of the provided equation in standard form is -2p²-11p-35. Option 1 is the correct option.
Learn more about the simplified form here;
brainly.com/question/1597694
