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Mathematics 15 Online
OpenStudy (mven):

Will FAN/MEDAL If AB = 10, what is the length of DE https://oconomowoc.owschools.com/media/g_geo_2012/12/img_geou12a_9.gif

OpenStudy (mven):

@Hannah_Waller you have an idea?

OpenStudy (mven):

@judyd94

OpenStudy (anonymous):

AC*CB=DC*CE CB=10-4=6 4*6=DC(8) DC=24/8=3 DE=DC+CE=3+8 DE=11

OpenStudy (mven):

cool thanks. your turn

OpenStudy (anonymous):

your welcome was it one of your option choice

OpenStudy (mven):

yes it was. and makes a lot of sense.

OpenStudy (mven):

if you have a question we can answer yours then mine. I have a few im stuck on

OpenStudy (anonymous):

Find the vertex of this parabola: y = -x2 + 2x − 7

OpenStudy (anonymous):

parabola are so confusing

OpenStudy (mven):

hmmm. ive got to remember this...

OpenStudy (anonymous):

the formula is (y-k)=a(x-h)^2

OpenStudy (anonymous):

i so hate math

OpenStudy (mven):

same. and im sorry but i cant remember this

OpenStudy (anonymous):

we can come back to mines whats your question

OpenStudy (mven):

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