Mathematics, 14.11.2019 02:31, ldestl
Aspotlight on the ground shines on a wall 12 m away. if a man 2 m tall walks along the x-axis from the spotlight toward the building at a speed of 1.8 m/s, which is taken as the given dx/dt, how fast is the length of his shadow on the building decreasing when he is 4 m from the building?
Answers: 3
Mathematics, 21.06.2019 13:40, wowwowumbsi
In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.
Answers: 3
Aspotlight on the ground shines on a wall 12 m away. if a man 2 m tall walks along the x-axis from t...
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