subject
Mathematics, 23.12.2019 09:31 robert7248

Awhispering chamber is an elliptically arched chamber. a unique feature of a whispering chamber is that when a person standing at
one focus of the ellipse whispers, he can be heard by a person standing at the other focus, regardless of the dimensions of the ellipse
from which the dome is built.
suppose that the dimensions of the ellipse used to create a whispering dome is 200 feet by 380 feet. walter stands at one focus, and
barbara stands at the other focus
how far apart are walter and barbara?
enter your answer, rounded to the nearest tenth of a foot in the box.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:20
Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?
Answers: 3
question
Mathematics, 21.06.2019 19:30
Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?
Answers: 1
question
Mathematics, 21.06.2019 20:30
Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points
Answers: 1
question
Mathematics, 21.06.2019 22:50
3x = 729 solve for x plz . it's urgent. will mark
Answers: 2
You know the right answer?
Awhispering chamber is an elliptically arched chamber. a unique feature of a whispering chamber is t...
Questions
question
Mathematics, 25.06.2019 19:00
question
Social Studies, 25.06.2019 19:00
question
Mathematics, 25.06.2019 19:00
question
Mathematics, 25.06.2019 19:00
Questions on the website: 13722363