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Q: math equation ( Answered 5 out of 5 stars,   2 Comments )
Subject: math equation
Category: Reference, Education and News > Homework Help
Asked by: fizzleclizze-ga
List Price: $5.00
Posted: 25 Feb 2005 14:50 PST
Expires: 27 Mar 2005 14:50 PST
Question ID: 480923
how do i solve this equation?

(1.012)(1 + F)^2 = 1.0457
Subject: Re: math equation
Answered By: skermit-ga on 25 Feb 2005 14:55 PST
Rated:5 out of 5 stars
First divide both sides by (1.012):

(1 + F)^2 = 1.0457/1.012

Then take the square root of both sides:

(1 + F) = sqrt(1.0457/1.012)

Then subtract 1 to get F alone:

F = sqrt(1.0457/1.012) - 1

Just for your convenience, I evaluated it already, and the answer is:

Thank you for your question.

fizzleclizze-ga rated this answer:5 out of 5 stars

Subject: Re: math equation
From: jasonkoh-ga on 25 Feb 2005 16:38 PST
0.016513844105 is only half the answer.

When you take the square root of both sides, the +/- (plus or minus)
sign needs to be added :
 (1 + F) = +/- sqrt(1.0457/1.012)

F = 0.016513844105 or -2.016513844105

good luck with your studies!
Subject: Re: math equation
From: skermit-ga on 25 Feb 2005 17:03 PST
Yup, forgot about that. Thanks jasonkoh-ga!


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