Friday
April 18, 2014

Homework Help: math

Posted by deel on Wednesday, August 8, 2012 at 9:35pm.

In a room of 20.000 ft^3 of air, 600 ft^3 of fresh air flows in per minute, and the mixture (made practically inform by circulating fans) is exhausted at a rate of 600 cubic feet per minute (cfm). What is the amount of fresh air inside the room y(t) at any time, if y(0)=0? After what time will 90% of air in the room be fresh.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - a room that measures 10.o ft wide, 32.0 ft long, and 8.00 ft high ...
Chemistry - Your bedroom is 18 ft long and 15 ft wide, and the distance from ...
College - A room is 13 ft. It needs to be painted. The ceiling is 8 ft above the...
physics - A room is 13 ft. It needs to be painted. The ceiling is 8 ft above the...
math - Gloria wants new carpet for her living room.The room is 15 ft wide and 20...
algebra - Martha is having carpet installed in a rectangular room.She estimates ...
geomery b - I need help understanding this so please help me?? 1. A table is 4 ...
Consumer Math - The Smiths want to buy a 9 ft. by 12 ft. carpet and center it in...
Math - The room you want to paint has 2 doors,each 6.5 ft tall and covering 20.8...
Math - An architect designed a rectangular room with an area of 925 square feet...

Search
Members