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Serjik [45]
4 years ago
5

Ann took

Mathematics
2 answers:
kow [346]4 years ago
3 0

How do you calculate the mean (average) ?
Isn't it just

  Mean = (total points of all the tests) divided by (number of tests)  ?

Let's work with that.

Multiply each side of that formula by (number of tests), and you have

       Total points of all the tests  =  (Mean) times (number of tests).

In this problem, you know the mean, and you know the number of tests,
so you can easily calculate the total points.


AlladinOne [14]4 years ago
3 0
Less than 600 but more thatn 525

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Answer:

||u|| = sqrt((0 + 3)^2 + (4 + 2)^2) = 6.71

||v|| = sqrt((3 + 0)^2 + (3 + 2)^2) = 5.83

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7 0
4 years ago
Read 2 more answers
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Answer:

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y - -7 = 2/5(x - -4)

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