The double number line shows that it takes 444 hours for Karin to fold 282828 paper cranes.

Select the double number line that correctly labels the number of cranes Karin can fold in 1, 2,1,2,1, comma, 2, comma and 333 hours.

Choose 1

The answer is B

Step-by-step explanation:

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  q

step-by-step explanation:

each line from a vertex to the midpoint of the opposite side is called a median. the point where the medians intersect, point q, is the centroid.

the centroid of δabc is point q.

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.