Two poles are connected by a wire that is also connected to the ground. The first pole is 10 meters tall and the second pole is 20 meters tall. The poles are located 30 meters apart. Find the distance, LaTeX: xx, where the wire should be anchored to the ground to minimize the amount of wire needed. Enter your answer rounded to the nearest whole number. Do not enter units with your answer.

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing im pretty sure that is the right answer

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one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.  

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