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two variables

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Can one equation with two variables be solved algebraically? 2019-08-30
Don pose la question :
Can one equation with two variables be solved algebraically?
Penny Nom lui répond.
An impossible problem 2017-09-15
Fay pose la question :
Given math homework problem of: Gary and Larry given 2 numbers and told to add together. Gary subtracted and got 14. Larry multiplied and got 799. I tried substitution:
X-Y=14 and X x Y=799
X= Y+14
(Y+14) Y=799 and here I'm stuck at Y squared+14 Y= 799
using substitution I got 47x17=799 but not 14b when subtracted. HELP?????

Penny Nom lui répond.
Linear equations in two variables 2015-12-13
priya pose la question :
I have problem in solving these equations please help me today itself very urgent:
I)2x+y=y
II)pie*x+y=9

Penny Nom lui répond.
An equation in two variables 2013-05-14
Steve pose la question :
Verify solutions to an equation in two variables. 4x-2y=8 (3, 2)
Penny Nom lui répond.
Coefficient of variation 2011-04-14
Braden pose la question :
When determining coefficient of variation (CV) or %CV is it possible to calculate %CV for two variables? For instance can %CV be used to determine the precision of 5 data points on a graph using the X and Y coordinates? or does %CV need to be determined for each variable separately?
Robert Dawson lui répond.
Solve for y in terms of x 2008-08-10
Rosie pose la question :
Solve equation for y

-4x=12+3y

Penny Nom lui répond.
g(m-1,2n)+n 2008-06-07
Florence pose la question :
What does g(m-1,2n)+n for m>0, n>=0 mean.
Penny Nom lui répond.
Solve for a and t 2004-10-23
Justin pose la question :
How do I solve for "a" and "t" in the equations:

1000t= -4000 + 2000t + (1/2)at^2
1000=2000 + at

Penny Nom lui répond.
Factor completely 2002-03-07
Taylor pose la question :
I'm supposed to completely factor this but I don't know what to do with all the variables.

a3b5 - a2b5 - 12ab5.

Does it have anything to do with b5 being a common factor or am I completely off?
Penny Nom lui répond.

Solve for two variables 2001-02-25
A student pose la question :
How do I solve for %1 and %2 in the following formula when T1, T2 and T3 are known? %1 and %2 are ratios of the same element, therefore %1 + %2 = 100%

(%1 x T1) + (%2 x T2) = T3

Penny Nom lui répond.
 
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