How do you find out the mean?
2 answers:
Answer:
You can find the mean of the set of numbers by:
1) Adding all the numbers in the set together.
2) Dividing the total amount gotten with the amount of numbers there are.
For example:
The mean of the number set: [1, 2, 3, 4, 5]
1 + 2 + 3 + 4 + 5 = 15
15/5 = 3
3 is the mean of the number set.
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Answer:
Add up all the numbers, then divide by how many numbers there are
Step-by-step explanation:
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72 yellow balls
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80% of 90 is (0.80*90) = 72 yellow balls.
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-1.5
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X= 270
simplify the equation using cross multiplication
P + v = 650....p = 650 - v
4p + 9v = 2925
4(650 - v) + 9v = 2925
2600 - 4v + 9v = 2925
-4v + 9v = 2925 - 2600
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v = 325/5
v = 65.....video files
p + v = 650
p + 65 = 650
p = 650 - 65
p = 585....photo files
answer : Helena uploaded 9 times as many photo files as video files
65 * 9 = 585
