Q: The average of nine numbers are 40 If 1 is added to the number 2 is added to the second number 3 is added to the third number and so on up to the ninth number what is the new average?

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45

Without going into all the math because all I did was Google it, 45.

In total, we are changing the sum of the 9 numbers by 1 + 2 + ... + 9 = 9 x 10 / 2 = 45, so each of the numbers is increased by, on average, 45/9=5. If the old average was 40, the new one is 40 + <the average amount each number was increased by> = 40 + 5 = 45.

add up all the numbers and then divide that number by the number of numbers that you added up.

It is not possible to find out the average of a number without knowing how many numbers were added together to get said number. If there were say, 7 numbers added together to get the total of 27.352, then you would divide 27.352 by 7 to get the average.

The total of the 6 numbers is 48 (6x8) Adding another number will take the total to 7. So with an average of 10, the total of the 7 numbers will be 70 (7x10) 70 - 48 = 22 which is our seventh number.

The mean of numbers is the average. To find this, first add all the numbers, then divide by how many numbers you added.

An average is found by adding all the relevant numbers together, and then dividing by the number of numbers added. This is a concept learned in elementary school.

The numbers are 7 and 28 which equals 35 when added together

Add the numbers then divide the sum by the number of numbers you added e.g. average of 1,2,3,4 four numbers add em up 1+2+3+4 =10 divide the sum by the number of numbers 10/4 average of 1,2,3,4 is 2.5

mean means the average or all the numbers in the set added together and then divided by the number of numbers in the set of numbers.

add up all the numbers, then divide by the number of numbers you added.

you take the numbers add them together and divide by the number of numbers added

Add up all of the numbers you have, and divide by the number of numbers you added. This is also called the mean.

40 and 52

177

Average means what the most common occurring thing or number is within a specific set of data. In math, you add the numbers and then divide them by how many numbers you added to get the average.

It is a series of numbers and the next number is the last number you wrote down added to the second to last number you wrote down

You would average them the same way you average other numbers: add the numbers together and divide by the number of numbers you added together (in this case, two). For example, the average of -12 and -20 is (-12 + -20)/2 = -32/2 = -16.

126

To find the average of a group of numbers, add together all the numbers and divide by the number of numbers you have added together. In this instance, 6 + 10 = 16 / 2 = 8.

Mean means (hahah...get it?) finding an average of a number. You can find an average by adding up all of the numbers and then dividing it by how many numbers you added up. To get a Range, you must subtract the smallest number from the biggest number and you will get the range of the two numbers. Hope this helps!

To find the average, add up all the numbers and then divide the sum by the number of numbers you added. 7+11+21=39 39/3=13 The average is 13.

The mean is like the average, all of the numbers in a data set added up and divided buy the number of numbers in the data set.

first add 0.85 and 0.89!then divide by the number by the numbers you added!so it is 0.87!