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Evgesh-ka [11]
3 years ago
10

Please help will mark brainliest!! 15 POINTS!!

Mathematics
2 answers:
kodGreya [7K]3 years ago
5 0

Answer:

decrease

Step-by-step explanation:

If 89 is the highest score, Ken would need a score of 90+ to increase the mean.

Md < 89\\Mi >89

Md = mean decreases

Mi = mean increases

Hope this helped!

Basile [38]3 years ago
4 0
Find the mean of the first four test scores first.
(Add all numbers in set and divide by how many numbers there are)
81 + 87 + 71 + 89 = 328 / 4 = 82

Then, find the mean with the 85 added as the fifth term.
81 + 87 + 71 + 89 + 85 = 413 / 5 = 82.6

The impact that the 85 had on the mean test score was that the mean/average increased by 0.6.
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Step-by-step explanation:

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3 years ago
-x = -6 <br> please help me
Rasek [7]

Answer:

The answer would be positive 6

Step-by-step explanation:

I know it is -6 because when you solve this you do...

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Hope this helps have a great day! :)

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3 years ago
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JulsSmile [24]

Answer:

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