Topic: Algebra Proportions
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Answers to Common Questions
What is a proportion in reference to algebra?
I have taken the liberty of listing one or two good references as links below. But I can give you a very brief explanation here: We say two quanities are "in proportion" if they behave in such a way that the size of one directly affects the... Read More »
Source: http://answers.yahoo.com/question/index?qid=20061114164646AARyKRa
How do you solve a proportion in algebra?
The best way is to take the cross products of the proportion and set th... Read More »
Source: http://www.chacha.com/question/how-do-you-solve-a-proportion-in-a...
How do you find a proportion in algebra?
Simple proportions can be solved by applying the cross products rule. Good luck with your math! Read More »
Source: http://www.chacha.com/question/how-do-you-find-a-proportion-in-al...
More Common Questions
Answers to Other Common Questions
Directly proportional means if y increases the x incr...
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Source: http://www.chacha.com/question/what-does-it-mean-if-y-is-directly...
how to do proportions in algebra 1: Joint Variation is a J word that is used.....
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Source: http://www.tutorvista.com/answers/how-to-define-variables-in-alge...
proportionality : W ~ k/r^2 {from centre of earth} , where k is a constant when r = 3900, W = 180 Lets model this situation by the following equation : 180 = k/3900^2 therefore, k = 180*3900^2 hence, at 600 miles from surface of earth, r = ...
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Source: http://answers.yahoo.com/question/index?qid=20101210072555AAGFjwA
cross multiply.... 6(5-x) = 3(x-2) 30-6x = 3x-6 9x=36 x = 4 ~~~~~~~~~~ 7y= 15y-12 -8y = -12 y = 3/2
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Source: http://answers.yahoo.com/question/index?qid=20120404090839AAaq5Dd
(x^2+1)/(x^2+9) = x+3/(x+1) Deduct 1 on either side x^2+1-(x^2+9)/(x^2+9)= x+3-(x+1)/(x+1) -8/(x^2+9) = 2/(x+1) Cross multiply -8(x+1) = 2(x^2+9) x^2+9+4x+4=0 x^2+4x+13=0 x= {-4 +- SQRT ( 16-52) } /4= {-4 +- 6 i}/4 = -1+3/2 i or -1-3/2i
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Source: http://answers.yahoo.com/question/index?qid=20070408102556AAnMJQU
400 / 5 = 11200 / x cross multiply => 400x = 56000 => x = 14000
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Source: http://answers.yahoo.com/question/index?qid=20081021171743AA9cI1u
6:5 means that there are 11 groups in total. 4730/11 = 430 430*5 = 2150 2,150 women
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Source: http://answers.yahoo.com/question/index?qid=20120228113531AAaej2j
