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avanturin [10]
3 years ago
14

How do you get the average of something

Mathematics
2 answers:
Irina-Kira [14]3 years ago
7 0

Answer:

add all the numbers together then divide that number my all the numbers you have

Step-by-step explanation: lets say you have 10,20,43,52,65 if you add them together you would get 190 so you would divide by the amount of numbers you have which would be 5 and the average for that set is 38

kogti [31]3 years ago
6 0
The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
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B2-4b+4=0 using quadratic forumla
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Trying to factor by splitting the middle term   

Factoring <span> b2-4b+4</span> 
The first term is, <span> <span>b2</span> </span> its coefficient is <span> 1 </span>.
The middle term is, <span> -4b </span> its coefficient is <span> -4 </span>.
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Step-1 : Multiply the coefficient of the first term by the constant <span>  1 • 4 = 4</span> 

Step-2 : Find two factors of  4  whose sum equals the coefficient of the middle term, which is  <span> -4 </span>.
<span><span>     </span></span>

<span><span>-4   +   -1   =   -5</span><span>     -2   +   -2   =   -4   That's it</span></span>


Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -2  and  -2 
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Step-4 : Add up the first 2 terms, pulling out like factors :
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Step-5 : Add up the four terms of step 4 :
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Answer:

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