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Mathematics 18 Online
OpenStudy (anonymous):

Attachment.

OpenStudy (anonymous):

OpenStudy (anonymous):

I'll brb, need to do something.

OpenStudy (anonymous):

no

OpenStudy (alexwee123):

um can i assume that it is a 45-45-90 degree triangle?

OpenStudy (alexwee123):

because i don't think you can solve it with only one given length o.0

OpenStudy (anonymous):

This is the correct one, I put the wrong file

Directrix (directrix):

3/2 is the answer. Cross Street is the hypotenuse of the right triangle. The midpoint of the hypotenuese of a right triangle is equidistant from the vertices of the triangle.

OpenStudy (anonymous):

Oh, that's the wrong file. I attached the correct one right above your answer

Directrix (directrix):

x = 3 --> Check it. AP * PB = CP * PD --> If two chords intersect inside a circle, the product of the lengths of one chord is equal to the product of the segments of the other. To get y, I'm doing EQ*QD = AQ*QB --> same theorem

Directrix (directrix):

If two chords intersect inside a circle, then the product of the segments of one chord equals the product of the segments of the other chord. http://www.cliffsnotes.com/study_guide/Segments-of-Chords-Secants-Tangents.topicArticleId-18851,articleId-18828.html

Directrix (directrix):

EQ*QD = AQ*QB 14*y = 8*7 y = (8*7)/14 = 4

Directrix (directrix):

AP = 3 PQ = 4 QB = 7 EQ = 4 PD = 12

OpenStudy (anonymous):

Wait, how did you get PD??

Directrix (directrix):

I did all that while you were over at FB :)

Directrix (directrix):

PD = 6*3 = 18. Better check my arithmetic. I just messed up somebobody's answer on another problem. She should have checked. o.0

Directrix (directrix):

Did you follow how I solved for x and y -- the theorem and the algebra?

OpenStudy (anonymous):

Oh, I wasn't on FB :P I was doing a project that's due tomorrow haha. But okay, I see.

OpenStudy (anonymous):

8x^2+10x+1/2x+1 This a long division problem, did I type it correctly?

OpenStudy (anonymous):

@kjohns0115 Are you on the right question..?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

The answer is 4x+3-2 over 2x+1, I need a clear understanding of the anwer.

OpenStudy (anonymous):

It's already solved by Directrix

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