Factor -1/2 out of -1/2 x + 6

Step-by-step explanation:

Divide each term of the expression by -1/2. -1/2x divided by -1/2 = x. 6 / -1/2 = -12.

the diameter is 16 cm. are you a teacher?

step-by-step explanation:

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+

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