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Mathematics 12 Online
OpenStudy (anonymous):

If 9:x = x:4, then x is 6.

OpenStudy (inkyvoyd):

that's not a question...

OpenStudy (anonymous):

yes, is it true or false?

OpenStudy (campbell_st):

well in actual fact there are 2 solutions cross multiplying gives \[x^2 = 36~~~so~~~ x = \pm 6\]

OpenStudy (anonymous):

true

OpenStudy (anonymous):

thanks!

OpenStudy (anonymous):

1:2 = 4:8 The product of both the means and the extremes is?

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