Sunday

April 20, 2014

April 20, 2014

Posted by **amy** on Thursday, February 3, 2011 at 4:21pm.

explain answer.

- geometry -
**helper**, Thursday, February 3, 2011 at 5:19pmxz = 72

xy = 5x + 3

yz = 8x - 9

5x + 3 + 8x - 9 = 72

13x - 6 = 72

13x = 78

x = 6

So, for y to be the midpoint of xz,

xy = yz

5x + 3 = 8x - 9

x = 6

5(6) + 3 = 8(6) - 9

30 + 3 = 48 - 9

33 not = 39

y is not the midpoint

**Related Questions**

Geometry-EXtended Exponents - Use the given ratio and information in the figure ...

Geo Triangles - triangle xyz. find all possible lengths of xy given: xz:9in yz:...

algebra - if x, y, and z are positive numbers, with xy = 24, xz = 48, and yz = ...

math - if x, y, and z are positive numbers, with xy = 24, xz = 48, and yz = 72, ...

Algebra - if x, y, and z are positive numbers, with xy = 24, xz = 48, and yz = ...

geometry - Quadrilateral XYZW IS A RECTENGULAR. If XY+YZ=7 AND XZ+YW=10, SO FIND...

geometry - If XZ = 18 cm, YZ = 27 cm, and AC = 28 cm, what is the length of BC? ...

geometry - Quadrilateral XYZW IS A RECTENGULAR. If XY+YZ=7 AND XZ+YW=10, SO FIND...

Geometry - Find hte possiable measures for line segmant xy in triangle xyz if xz...

geometry - Given three collinear points X, Y, and Z and XY=8 and YZ=20, what is ...