3х < 9
how do i get the answer

beens they are 2 completely different things you would take and divide 9 by 3 to get 3 but you would not switch the sign because you are not dividing by a negative so the answer would be x < 3

geometry: triangles

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call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

25.45584

about 0.75 hours

step-by-step explanation: