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Geometry 9 Online
OpenStudy (anonymous):

please help!! How many pairs of parallel faces are shown? 6 5 4 3 https://rialto5819-ehs-pps.gradpoint.com/Resource/2146263,72F,0,0,0,0,0/Assets/testitemimages/geometry_a/tools_of_geometry/mc075-1.jpg

OpenStudy (anonymous):

6i believe

OpenStudy (anonymous):

why six can you explain plz

OpenStudy (blurbendy):

3 pairs implies 6 faces, and there 6 faces 6 pairs implies 12 faces, and there aren't 12 faces

OpenStudy (loser66):

|dw:1373683727970:dw|

OpenStudy (anonymous):

Read the following conjecture. Any number that is divisible by 3 is also divisible by 9. Find a counterexample to show that the conjecture is false. 27 48 18 45

OpenStudy (anonymous):

need help with this one too please

OpenStudy (loser66):

your idea first?

OpenStudy (anonymous):

27

OpenStudy (loser66):

nope, don't guess. we have logic to find out.

OpenStudy (loser66):

fill in the blank

OpenStudy (anonymous):

i didnt

OpenStudy (anonymous):

i divided 27 by 3 and 9

OpenStudy (loser66):

|dw:1373683998206:dw|do the same with 48, what do you get?

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