ajayguppy003
Answered

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The mean of four numbers is 43. What are those four numbers?​

Sagot :

Answer:

42,43,43,44

Step-by-step explanation:

If there are four numbers in a list then the middle 2 numbers should be added up and divided up to give the mean. If we are given the mean we can now work backwards to give us:

[tex]\frac{x+y}{2}[/tex] (where x and y are the 2 middle numbers)

We can also see that x and y must be equal as the mean is an integer.

So:

[tex]43=\frac{2x}{2}[/tex]

So x=43 and that is the middle 2 numbers.

I don't exactly know how to explain how i got the other 2 numbers.

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