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beckiiXbeckii
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1) a reflection over the y-axis, followed by a reflection over the x-axis
beckiiXbeckii
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That sounds correct to me
some_someone
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oh, ok
I just need 2) & 3) I think...
yisrael11
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Yes, that is correct
yisrael11
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On 2) which CC there's three.
Abbie23
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Hmmmmmmmmmmm
seashell
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ok, first..
seashell
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you
goformit100
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hmmmmmmmmmmmmmmm
some_someone
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i rally need help cause i don't get it.. i got confused!!! :(
so i would really appreciate the help from anyone right now!!!
goformit100
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ok
dpaInc
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|dw:1338667087210:dw|
imagine if C was on that firs line... what would the distance be then between C and C'' ?
some_someone
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is it:
Distance between k and m = 2.6 inches
Distance from C to the distance from C" to m = 2.6 inches because this is a translation.
2.6 inches + 2.6 inches = 5.2 inches
5.2 inches
or not???
dpaInc
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two reflections over separate parallel lines = translation
some_someone
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wht does thts mean dpalnc???
some_someone
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so what is it then???
i have no clue then!!!
dpaInc
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|dw:1338667406829:dw|
oh, yeah... your right... 5.2
dpaInc
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i'm bad with these transformations.... :(
some_someone
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so it is 5.2???
dpaInc
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wait... lemme double check..
some_someone
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can you help me with number "3)"???
i would really appreciate it!!
dpaInc
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yes it is... :)
AccessDenied
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|dw:1338667559696:dw|
If maybe that representation makes sense, to see why its 5.2:
we have the 2.6 in the center, and then the two segments that compose 2.6 on the outside to make another 2.6.
some_someone
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@AccessDenied
so it is 5.2??? right!!!
dpaInc
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|dw:1338667679753:dw|
some_someone
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@dpaInc & @AccessDenied
so its settled... the answer is 5.2???!!!
right???
AccessDenied
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Yes. lol
as for the next one, I'd have to think about that one.
some_someone
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ok, but please do help me :)
i would realllyyy appreciate ur help and dpalnc's help tooo!!! alot!!!
dpaInc
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|dw:1338668173430:dw|
dpaInc
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isn't it obvious now? go get from A to A''?
dpaInc
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**to get
some_someone
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is it right wht i got???
dpaInc
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"length of CC'' = 110 degrees" ??
when did they start using degrees to measure length?
dpaInc
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i gotta read up more.. :)
some_someone
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if uur doing 3), it says Find the angle of rotation that maps A onto A".
so i guess it says to find it in degreess?? right???
dpaInc
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yep...
you seem stressed... take a break... have a donut...:)
some_someone
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hahaha, yeah sort of because i gave beeen working on these problems for a long period of time. and the hw is due tomorrow!!! so yeah..
so wht is the answer for |dw:1338668638807:dw|
dpaInc
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this shows that to get from A to A'' , just double the angle between the two intersecting lines of reflection... :)
we didn't give you directly that the angle of rotation is twice that... i thought this clearly shows how much you should rotate to get to where you want to...|dw:1338668814266:dw|