Mathematics, 28.01.2020 17:43 veneciaconton347
John (whose line of sight is 6 ft above horizontal) is trying to estimate the height of a tall oak tree. he first measures the angle of elevation from where he is standing at 35 degrees. he walks 30 feet closer to the tree and finds the angle of elevation has increased by 12 degrees. estimate the height of the tree rounded to the nearest whole number.
Answers: 1
Mathematics, 21.06.2019 14:30
Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?
Answers: 3
Mathematics, 22.06.2019 02:00
The trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? a) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2
Answers: 1
John (whose line of sight is 6 ft above horizontal) is trying to estimate the height of a tall oak t...
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