Suppose that the weight (In pounds) of an airplane is a linear function of the total amount of fuel (In gallons) in its tank. When graphed, the function gives a line with a slope of 6.3. See the figure below.
with 49 gallons of fuel in its tank, the airplane has a welght of 2308.7 pounds. What is the weight of the plane with 16 gallons of fuel in its tank?

read the sentences. write the types of indirect characterization. seleck from spech, thoughts,

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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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