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witchhunt666
29.10.2020 •
Mathematics
A crane has a 200 foot arm whose lower end is 5 feet off the ground. The arm has to reach the top of a building 130 feet high. At what angle of elevation should the arm be set? Round to the nearest tenth of a degree.
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Ответ:
And because we don't know how much money he made on Sunday, x will be the variable for how much he earned. So the expression will be
11 + x