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Indicate the formula for the following conditions: p^c(n,r)=
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Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b โ aโ
โ d, abยทdg=acยทdf, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.
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Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?
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The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?
Answers: 1
The sum of a number and 12...
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