Thursday
April 17, 2014

Homework Help: Geometry

Posted by Anonymous on Sunday, April 26, 2009 at 3:40pm.

Solve for x

5/3 / 4/3 = x / 20/9
x= 25/9 =2.77777....

5/4 = x/3
x= 15/4 = 3.75

20/36 / 21/x
x= 189/5 = 37.8


x/6 = x+1 / 9
x= 2

Tell whether the lines are parallel based on the given proportions
(I think they are supposed to come out equal in order for the lines to be parallel)

16/4 = 8/2
32=32
yes, the lines are parallel

10/4 = 12.5 / 5
50 does not equal 5.1, therefore no, the lines are not parallel

15/34 = 16/35
525 does not equal 544, therefore no, the lines are not parallel

12/9 = 20/15
180=180
yes, the lines are parallel

Are my answers correct?

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