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Divide add subtract
Mean is the average. To find the average, add up the group of numbers and divide by how many numbers there were.
. Our teacher used to do sayings to help us remember it:Dont be mean, add all the numbers together and share(Divide) by how many there are.
Complimentary angles are two or more angles that add up to 90 degrees
Mean is another word for average. To find the mean , add the terms, then divide by the number of terms. Hence [21 + 25 + 36 + 16 + 32] / 5 130/5 = 26 The mean value.