Mathematics, 16.06.2021 20:30 summerhumphries3
Why can the answer NOT be x - 9 +/- square root 159 /20 ? I got that answer because the exponent would be negative. . . -9^2 is -81, so then I added 240 (got that from multiplying 4ac), and I got 159. Why am I wrong? (Check the image below!) Thanks for any help.
Answers: 3
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Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .
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Why can the answer NOT be x - 9 +/- square root 159 /20 ? I got that answer because the exponent wou...
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