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What is the average of 20 and -10?

Updated: 8/21/2019
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6y ago

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Brice Lemke

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3y ago
This answer is:
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6y ago

The average is 5.

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Q: What is the average of 20 and -10?
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What is the average of 11 and 9?

11+9=20 20/2=10 average:10


What is the average of 10 20 and 30?

The average of these three numbers is 20.


How do you use number line to calculate the average of two different averages?

You cannot. It should be their weighted average with the weights representing the number of observations in each average.For example, if 3 numbers have an average of 10 and 6 numbers have an average of 20, the combined average is not the average of 10 and 20 (which is 15).It is, in fact, (3*10 + 6*20)/(3 + 6) = (30+120)/9 = 150/9 = 16.66...You cannot. It should be their weighted average with the weights representing the number of observations in each average.For example, if 3 numbers have an average of 10 and 6 numbers have an average of 20, the combined average is not the average of 10 and 20 (which is 15).It is, in fact, (3*10 + 6*20)/(3 + 6) = (30+120)/9 = 150/9 = 16.66...You cannot. It should be their weighted average with the weights representing the number of observations in each average.For example, if 3 numbers have an average of 10 and 6 numbers have an average of 20, the combined average is not the average of 10 and 20 (which is 15).It is, in fact, (3*10 + 6*20)/(3 + 6) = (30+120)/9 = 150/9 = 16.66...You cannot. It should be their weighted average with the weights representing the number of observations in each average.For example, if 3 numbers have an average of 10 and 6 numbers have an average of 20, the combined average is not the average of 10 and 20 (which is 15).It is, in fact, (3*10 + 6*20)/(3 + 6) = (30+120)/9 = 150/9 = 16.66...


What does it mean to have 20 10 vision?

It means that u can see at 10 ft what an average person sees at 20 feet. and the average vision is 20 20


What is the average of 5 10 13 20?

The average is 12.


What is a mean number?

A mean is an average An example 10 +20 +30 =60 The mean/average of this is 20


What is the average of 6 10 56 8?

Average = (6 + 10 + 56 + 8)/4 = 20


What is the difference between 45 and the average of 20 35 45 and 20?

The average equals 30. So 10


What is the average mean for -20 -20 -10 10 15 20 30 25 20 10 8 -20?

Add up all the numbers together and then divide by 12 to find the average mean:- 68/12 = 17/3 or as 5 and 2/3


What is the average of two number is 10?

Assuming mean average: average = sum/number_of_items → 10 = sum/2 → sum = 10 x 2 = 20 So any two numbers with a sum of 10 have a mean average of 10, eg {5, 15}, {1, 19}, {0, 20}, {-5, 25}, etc. With the median average, for two numbers it is exactly the same as the mean average, so any pair of numbers that sum to 20 will do. With the mode average, only the case of the pair of numbers {10, 10} will suffice.


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The average dictionary is 10 to 20 dollars


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10-20 years in the wild.