jennychan12
Check my work?
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Dido525
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K.
jennychan12
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please be patient. my computer is very slow with attachements
Dido525
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Lol I know. I am just saying okay :P .
jennychan12
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the problems.
Dido525
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I can't see 66 :( .
jennychan12
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my work part 1. #67.
jennychan12
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i just need 67-69
jennychan12
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69 is still uploading.
answer to 67 is 272 but i got 928....
jennychan12
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#68.
it's #67-69. I don't understand the reason for #69, but I know the answer.
I know #67 is wrong, but I don't know why, and #68 is the same concept, so I don't know if I did that right either.
Thank you!
Dido525
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|dw:1355107064354:dw|
Dido525
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|dw:1355107164737:dw|
Dido525
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Same concept or number 68.
jennychan12
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where'd you get the powers from?
Dido525
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From my first step.
jennychan12
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ok i think i get it now.
Dido525
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For number 69, we can''t integrate that function because it's impossible to make a number of rectangles in a vertical tangent line (You can't have 0 width for a rectangle).
Dido525
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At least that's my reasoning.
Dido525
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Sorry, my mistake those aren't powers.
Dido525
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@jennychan12 , do you get it or shall I explain more?
Dido525
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|dw:1355108038462:dw|
jennychan12
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no it's good.
oh, sorry. my mistake.
jennychan12
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thanks
Dido525
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You are most welcome :) .