supsavannah
Help 3 questions, will return help if needed! Also will fan and give medal!



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supsavannah
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Simplify

supsavannah
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What is the first quartile of the data set below?
275, 257, 301, 218, 265, 242, 201
201
230
257
218

supsavannah
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Simplify dw:1366652053866:dw

supsavannah
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Please help!

supsavannah
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You mean question 2?

briannashepard
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yes

supsavannah
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How did you get that?

supsavannah
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and do you know how to do the other 2 because i don't know how to do those what so ever!

JAMG
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just add or subtract across and you will get another 2x2 matrix

JAMG
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the last one just multiply by .5 and you get half the numbers but negative

supsavannah
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Ok hold on i'm going to see if i get one of the answer choices

supsavannah
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For the third one, for the bottom numbers i'm getting decimals and that isn't in the choices.

supsavannah
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i'm muliplying .5 by 2 and getting 2.5

JAMG
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well basically you are multiplying by 1/2 so whats half of 10

supsavannah
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5 i got that and then the next one would be 4 but the last two bottom numbers aren't right because i'm getting decimals.

JAMG
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the other is 2 whats half of this

supsavannah
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1

JAMG
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dw:1366653173747:dwso now you get your matrix

supsavannah
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So all four of them will be negative, right?

JAMG
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opposite of what they are

supsavannah
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ok, so thats the answer ^^^?

JAMG
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:)

supsavannah
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Can you help with the other one because the +2 threw me off.

JAMG
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dw:1366653299824:dw

JAMG
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multiply the 2 first and just add across

supsavannah
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So that's the answer? ^^ thanks so much :)

JAMG
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np :D

supsavannah
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is that first number supposed to be a 6?

supsavannah
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Nevermind, thanks :)

JAMG
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yes