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What number is missing from the number set of 5 9 12 to get the average 9?
Wiki User
∙ 12y ago
If I understand it correctly, that means you should solve the following equation:
(5 + 9 + 12 + x) / 4 = 9
Wiki User
∙ 12y ago
Add your answer:
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What Does Mean Mean In The Maths Terms?
The mean of a set of data is also known as the average. To get the average, add all the numbers in a data set up, then take away the number of numbers. eg. data set = 5,6,7,6,6,4,4,3,4,5,4,6. Added = 60 Number of numbers = 12 60/12 = 5 = Average
In a set of seven numbers the average of the first four is 15 and the average in the last three is 8 then what is the average in all 7?
12
What is the missing number in the following series 12 144 16 X's 20 324?
234
A set has 12 squares which is the number of squares in one third of a set?
3
Average set of numbers of 7 11 12 18?
median = 11.5 mean = 12
If the average of these four numbers is 21 find the missing number from 12 18 28?
23
If the average of these four numbers are 21 find the missing number the numbers are 12 18 28 and?
The Answer is 26
What Does Mean Mean In The Maths Terms?
The mean of a set of data is also known as the average. To get the average, add all the numbers in a data set up, then take away the number of numbers. eg. data set = 5,6,7,6,6,4,4,3,4,5,4,6. Added = 60 Number of numbers = 12 60/12 = 5 = Average
What is the missing number 7-10-3 6-12-2 9-7-?
This missing number is 5
What is the missing number -4 20 32?
12
What is the missing number in the list of numbers -43 23 -11 12 -27?
The answer depends on where, within the sequence, the missing number should have been.
How many people are missing in the Australian floods?
The number keeps being revised. As of 16 January 2011, the number of missing has dropped to 12. Just five days previously, the number of missing was over 90.
What is the missing number of this pattern 12 24 72 288?
55
What is the missing number 11 12 14 21 26?
30
Find the missing number 12 11 18 24 17?
23
Type the missing number that makes these fractions equal:12=56?
672
In a set of seven numbers the average of the first four is 15 and the average in the last three is 8 then what is the average in all 7?
12
