Math 2 pLEASE HELP
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ALGEBRA 1!PLZ HELP!
Use the Substitution method to solve the system of equations. y  2x = 5 3y  x = 5 Solve the first equation for y. y = 2x5 Substitute that for y in the second equation and solve for x. Then use the value of x to substitute back
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Use the rational root theorem to list all possible rational roots for the equation. X^3+2x9=0. Use the rational root theorem to list all possible rational roots for the equation. 3X^3+9x6=0. A polynomial function P(x) with
asked by Chelsey on January 26, 2018 
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cAN YOU LOOK AT THE PREVIOUS POST. i am completely lost towards that equation...how do i even solve it because then i would have to cross multiply or cancel and that will give me zero.
asked by jas20 on February 25, 2007 
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*correction of previous post* Find the LCD of the rational expressions in the list. m2/m^2+2m , 8/m^2+6m+8
asked by kai on December 2, 2011 
Substitution MethodPlz help
Use the Substitution method to solve the system of equations. x + y = 4 x  y = 2 solve for x in the second equation. x= y+2 Put that in for x in the first equation: x+y=4 (y+2) + y = 4 solve for y. Then, x= y+2 i don't get
asked by Svetlana on October 17, 2006 
drwls, is this correct,math
drawls this is from the previous post is this correct. solve the system by subtraction. 5x3y=13 4x3y=11 equation#2 woudl be 4x3y=11 3y = 4x+11 y = (4)/(3) x  (11)/(3) so now i substitute it to equation #1 5x  3((4)/(3)x 
asked by jasmine20 on February 13, 2007 
math
Still looking at how to solve these... Both are cubic polynomials? 43x^3 + 13x^2 + 18x  456 = 0 DO I divide first by x1? 2x(3x+2)^2=312 Honestly: I would graph the equations and find the roots first. I don't see them off hand.
asked by mary on January 21, 2007 
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what is 115=12 1/3t=1/5 That solution is not correct, the 1/3 is a multiplier so it can't be subtracted. If the original was (1/3)t = 1/5 then t = (1/5)*3 t= 3/5 if the poster meant 1/(3t) = 1/5 then 3t = 5 t= 5/3 First, if you
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how many grams of CaCl2 need to be dssolved in 100g of water to prepare a solution which freezes at 2.0 degrees? Work this problem just like the previous one EXCEPT there is another part to the formula. Delta T = i*Kf *m i is the
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I have some problems that I am having trouble with and I have some that need checking please. Thanks! Solve the equation. 4. (x+7/4)=2(x1/6) Find all the value(s) of x that make thedenominator(s) zero. Then solve the equation. 6.
asked by Soly on August 21, 2007