What is the reason for using "letters" in algebraic problems? Why is such a thing needed?
They represent variables... meaning, substitutions for the real number... that way you can write out equations without having the number and thats benificial because the same equation could give you the answer for many problems. source: yahoo
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Questions asked by the same visitor
Explain the difference between the "hundreds place" and the "hundredths place". Which one represents a larger value?
Question
Updated 1/2/2015 7:37:57 AM
In a decimal number, the "hundreds place" is three places to the left of a decimal point. The "hundredths place" is two places to the right of a decimal point. So for the number 127.53, there is a 1 in the hundreds place and a 3 in the hundredths place. Therefore the "hundreds" represents a larger value.
Solve equation -7y = 5.74
Weegy: -7y = 5.74; y = 5.74/(-7); y = -0. 82 User: Solve equation -5y = 4.15 (More)
Question
Updated 5/16/2015 8:02:08 PM
-5y = 4.15;
y = 4.15/(-5);
y = -0.83
solve? 3.6x-16=2.2x+8
Weegy: Sorry, can't give you an answer for this. 3.6x-16=2.2x+8, subtract 8 to both equation, then subtract 2.2x to both new answers of the equation, you get, 1.4x-24=0 (More)
Question
Updated 12/23/2014 8:18:45 AM
3.6x - 16 = 2.2x + 8;

3.6x - 2.2x = 8 + 16;

1.4x = 24;

x = 24/1.4;

x = 17.14286 (rounded)
Confirmed by sujaysen [12/23/2014 12:54:40 PM]
What factors would be involved for you in making a big decision?
Weegy: For me personally, the biggest factor would be my family. After that, I finances and time would be factors that I would consider when making a big decision. (More)
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solve 7x-7=0
Weegy: 7x-7=0...7x=7...x=1 (More)
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Updated 5/31/2014 9:36:36 AM
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