SOLUTION: inverse variation, direct variation, joint and combined The intensity I of a television signal varies inversely as the square of the distance d from the transmitter. If the i

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Question 44029: inverse variation, direct variation, joint and combined
The intensity I of a television signal varies inversely as the square of the distance d from the transmitter. If the intensity is 25W/m^2 at a distance of 2km, what is the intensity 6.25km from the transmitter?
please help set this problem up

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
The intensity I of a television signal varies inversely as the square of the distance d from the transmitter
Id%5E2+=+Id%5E2
25%282%5E2%29+=+I%286.25%5E2%29
100+=+I39.0625
2.56+=+I