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Math check please
1. Solve the system of equations y=2x^23 y=3x1 a)no solution b)(1/2,5),(2,5/2) c)(1/2,5/2),(2,5)**** d)(1/2,5/2),(2,5) 2. How many real number solutions are there to the equation 0=3x^2+x4? a)0 ***** b)1 c)2 d)3 3.solve
asked by Kendra on March 19, 2015 
How do I do this.?(Math.)
Use the Substitution method to solve the system of equations. y  2x = 5 3y  x = 5 Solve one of the equations for x or y. Let's solve the first one for y: y  2x = 5 y = 2x  5 Now let's substitute 2x  5 for y in the second
asked by Margie on February 5, 2007 
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To solve the system of equations, which expression could be substituted for x into the first equation? 3x5y=14 x+4y=10 a)104y b)4y+10 c)(1/4)x+(5/2) d)(1/4)x+(5/2) I have another problem just like this one so if you could
asked by maddie on July 27, 2007 
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

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
asked by SANDRO! on November 6, 2006 
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1.solve the set of linear equation by matrix method.a+3b+2c=3,2ab3c=8,5a+2b+c=9 solve for a,b,c 2.solve by Guassian elimination method, (a)a+2b+3c=5,3ab+2c=8,4a6b4c=2, (b)
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I need help with these three problems. They are on a Study Guide and I need some refreshing up of how to do them. 17. Solve the equation using the zero product property... 8n(5n+3) 19. Solve the equation by factoring 5z^22z3=0
asked by Amy on May 26, 2009 
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There are 4 problems that I don't understand how to solve so, please help me. A numerical explanation with words explanation would be nice. Thank you tutors. Rewrite each equation so it is in the form ax + b = c or x + d/e = f,
asked by anon on December 9, 2015

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solve for the indicated variable: a. temperature formula solve for F: K=5/9(F32)+273 b. annual interest rate solve for R: A=P+Prt
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I know how to solve if the leading coefficient is 1, but how would i solve it if its not 1. Ex. f(x) = 2x^3 + 7x^2  7x + 30 Can someone help me start that out? Then I'll use synthetic divison to solve for it.
asked by Chopsticks on January 13, 2009 
subsitution method
Can some one show me how to use the Substitution method to solve the system of these equations. x + y = 4 x  y = 2 x + y = 10 y = x + 8 on the first set. Solve for either x or y in either equation, then put that value into the
asked by mike on July 1, 2007 
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Solve the system by addition or substitution. 3x – 4y = 8 6x – 2y = 10 Please get me on the correct track for 3x 4y =8 x=4, y=1 for 6x  2y =10 x= 2, y= 1 Solve one equation for x. 3x = 4y + 8 x = (4y + 8)/3 Insert that value
asked by Amanda on May 20, 2007
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