subject
Mathematics, 26.03.2020 19:12 ethan0

A spotlight 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 2.2 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?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 21:40
Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0
Answers: 1
question
Mathematics, 22.06.2019 00:30
Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. which of the following expressions could represent how much bo pays for the game? choose 2 answers: choose 2 answers: (choice a) a 0.82b0.82b (choice b) b 1.18b1.18b (choice c) c b-0.18b−0.18 (choice d) d b-18b−18 (choice e) e b-0.18bb−0.18b
Answers: 2
question
Mathematics, 22.06.2019 02:00
If the line in the graph is shifted up two units which is the equation of the new line
Answers: 1
question
Mathematics, 22.06.2019 03:20
Arepresentative from plan 1 wants to use the graph below to sell health plans for his company. how might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans? the scale on the y-axis could be changed to 0–100. the scale on the y-axis could be changed to 25–40. the interval of the y-axis could be changed to count by 5s. the interval of the y-axis could be changed to count by 20s.
Answers: 2
You know the right answer?
A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks along the x-axis from...
Questions
question
Mathematics, 07.10.2019 00:30
question
Social Studies, 07.10.2019 00:30
question
History, 07.10.2019 00:30
question
Social Studies, 07.10.2019 00:30
Questions on the website: 13722362