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Q: What 3 numbers have a mean of 30?
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How do you get the mean of a set of numbers?

add up all the numbers you have and then divide this result by how many numbers you have. example to find the mean of the following six numbers 6 7 9 3 3 2 first add up all the numbers = 6+7+9+3+3+2=30 then divide this result by how many numbers there are = 30 / 6 = 5 The mean is 5


What is the mean of 15 10 5?

The mean is the sum of the three numbers divided by 3.So in this case the sum is 30 and 30 divided by 3 is 10.10 is the mean and the median too


How do uu find the mean?

To find the mean you first have to add up all the numbers then you divide it by how many numbers you have and you got the mean. Example: 12+13+5=30 30/3=10 10 is the mean


What does the word mean mean in mathmatical terms?

it means the average. add up all of the numbers and divide by the number of numbers you added. for example, 10+ 10+10=30 the mean is 30 divided by 3 = 10 the average! A nasty average?


Which pair of numbers has a geometric mean of 30?

The geometric mean of two numbers is the square root of their product. In you instance any two factors of 900 will have a geometric mean of 30 eg 2 & 450 (2 x 15 = 30, 30 x 15 = 450); 3 & 300 (3 x 10 = 30, 30 x 10 = 300); 6 & 150 (6 x 5 = 30, 30 x 5 = 150) etc etc


What 2 numbers have the LCM of 30 and the HCF of 3?

3 and 30.


What two numbers have a lcm of 30 and a HCF of 3?

3 and 30


What are the two numbers with a LCM of 30 and a HCF of 3?

3 and 30


Two numbers have an LCM of 30 and an HCF of 3 What are they?

3 and 30


Which two numbers have an LCM of 30 and an HCF of 3?

3 and 30


What are the values of 45 57 0 and 3 if the mean is 30 and the standard deviation is 15?

The question is incorrect since the mean of 45 57 0 and 3 is not 30. And the value of 45 is 45, whatever its mean when combined with other numbers. Similarly, the value of 57 is 57, whatever its mean when combined with other numbers; etc.


What of these numbers 15 20 30 and 57 are products of exactly 3 different prime numbers?

It is 30 because 2*3*5 = 30