# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,718 questions, page 419
1. ## chemistry

h2SO4(aq)+2NAOH(aq)--->NA2SO4(aq)+2H2O(L) how to solve this

asked by Devin on May 31, 2010
2. ## math,correction

solve: x^2+7x+2=0 My answer: x= (-7 +/- sqrt (41))/(2) good one jasmine

asked by jasmine20 on April 19, 2007
3. ## Pre-Algebra

I think I understand how you do scientific notation. But how do you solve a problem like 2.5 x 10^7?

asked by Jessie on October 18, 2013
4. ## math

solve for x in the following expression using the quadratic formula 3x^2 + 29x - 8.5=0

asked by Anonymous on February 19, 2013
5. ## Math

Solve the equation. Check for extraneous roots. 4^2x-4^x-20=0

asked by Vikki on January 11, 2015
6. ## Math

solve 3^X=7 giving exact answer to the base 10

asked by Alida on May 20, 2013
7. ## math

I am suppose to solve for the following prolbem using PEMDAS _ / _ * _ + _ * _ * _ / _ + _ * _ = 100

asked by Bear on September 30, 2010
8. ## Precalc.

solve the equation on the interval [0,2pi) sin^2x=1

asked by Anonymous on March 19, 2010
9. ## College Algebra

1.1(3x+5)is equal to or greater than 1.6-(x+3) How do you solve this to make a fraction?

asked by LeAnn on November 18, 2009
10. ## Math

Let f(x) be a linear function with f(1) = 2 and f(3) = 8. Find f(5) How do u solve it like the steps

asked by Lily on December 26, 2013
11. ## Math

f(x)=7x^3+13x^3-3x^2. Find f(-6) Also how do you solve this kind of question

asked by Miley on December 27, 2013
12. ## Calculus

Solve the differential equation dy/dx=3x^2y^2 with the condition that y(1)=4. I know that y= -1/(x^3 + c) but what do I do with the y(1)=4 part?

asked by Ann on May 18, 2014
13. ## math

Solve each equation for 0

asked by Gina on April 25, 2015
14. ## 4th grade

4th grader asks how to solve 8100/?=90

asked by joe on November 19, 2009
15. ## COLLEGE ALGEBRA ..HELP!

Solve by completing the square 12x^2+11x=5

asked by KARINA on June 7, 2011
16. ## PreCalculus

Solve for x. sec(x)sin(x)=2sin(x) 0

asked by Emma on July 29, 2014
17. ## Math

log4x^4 + log4^2 = 3 Solve the logarithmic equation.

asked by Blue on September 29, 2011
18. ## algebra 2

solve the quadratic x2-22x=11 using completing the square

asked by kay on January 15, 2012
19. ## precalc

solve 5^y=4^y+3.Round your answer to the nearest tenth.

asked by 95 on January 14, 2012
20. ## Math, Please Help!!!

solve the trigonometric equation sinx + 1 = 2.6635. Please help me!!!

asked by Misty on November 7, 2011
21. ## kampala

given that equation 2logx +log2= log5+10.solve for x

asked by Albino manyiel on December 4, 2015
22. ## math

solve the equation for all real and imaginary solutions (x-3/2)^2-2(x-3/2)+26=0

asked by Allie on October 21, 2010
23. ## algebra

how do you solve polynomial equation by factoring 3x^4 + 11x^3 = 4x^2

asked by john on December 2, 2014
24. ## calculus

Solve the equation for x. e^ax=Ce^bx, where a cannot equal b Can someone explain this pleaseee!

asked by Sarah on September 23, 2008
25. ## Math

2p+7p=54 It says to combine like terms and solve the equations but i don't know how to. Please help?

asked by Sherry on September 22, 2009
26. ## MATH

how do u solve for the vertex of a parabloa using the quadractic equation?

asked by the all knwooin on April 20, 2009
27. ## equations with fractions

alright, i want an explanation on how to do these so i can do the rest on my own... the first problem is j/3 = 2/5 how do i solve that?

asked by koori on September 24, 2008
28. ## trig

how do you solve: find cos2x if sinx is equal to 1/5

asked by berlyn on October 2, 2010
29. ## mat 172

solve the equation: arccosx+arccos2x=arccos1/2

asked by ami on March 30, 2010
30. ## Algebra

H(t) = 72ft t - 16t^2 How would I go about to solve 72 - 16^2 = 72 - 256 = 184

asked by Anonymous on October 12, 2014
31. ## Math

Can anyone help me solve a Math Olympiad Fraction problem?

asked by Tiffany on March 22, 2011
32. ## COLLEGE ALGEBRA

Solve by completing the square 12x^2+11x=5

asked by KARINA on June 6, 2011
33. ## algebra - absolute value

i'm doing absolute value in open sentences and then graphing them. how would you solve |t-4| > t-4 ?

asked by Tracey on November 29, 2012
34. ## Algebra

x a - = - + cx - d 2b 2 Solve For X. Could someone just point me in the right direction on how to start this problem?

asked by Anonymous on September 11, 2007
35. ## math

Solve each equation for 0

asked by Miu on April 25, 2015
36. ## Math

Solve by substitution :addition, substration or multiplication 4X+3Y=19 and 6X+3Y=33 X= Y=

asked by carter on March 23, 2017
37. ## geometry

How do I solve this? 4/3PI*R^3 When R=6 I get 288 if I do it in PI form. Just seems really high.

asked by Amber on March 21, 2011
38. ## ALGEBRA

Rearrange the following equation to solve for “x”: y = sqrt(x) / z How do I even begin???

asked by GGIFT on March 17, 2010
39. ## Math

Solve by substitution :addition, substration or multiplication 2X+2Y=-2 and 3X-2Y=12 X= Y=

asked by carter on March 23, 2017
40. ## math

solve by substitution: addition, subtraction or multiplication. 3X+Y-11 and -2X+Y=1 X= Y=

asked by carter on March 23, 2017
41. ## Math Help

Help me to solve this problem Simplify by adding 5/22t + 2/4t

asked by Lavern on February 26, 2012
42. ## pre algebra

a(n-3)+8=b solve for n an-3a +8=b (subtracted an from left side) I get: 3a+8 = b-an =3a +8 = b-a(n) =3a+8/b-a = n but i think this is wrong...help...thank you

asked by mark on September 18, 2017
43. ## Math

Solve each equation for 0

asked by Miu Lily on April 25, 2015
44. ## calculus

Suppose that log2 = a and log3 = b Solve for x in terms of a and b: 6^x = 10/3 - 6^-x

asked by Jenny on December 6, 2010
45. ## Math

Solve each equation for 0

asked by Lily Chang on April 26, 2015
46. ## maths

solve the following quadratic equation. 8s2+14s+=14

asked by ikechukwu on June 4, 2015
47. ## calculus

solve the initial value problem by separation of variables dy/dx=-xy^2, y(1)=-0.25

asked by sally on March 19, 2011
48. ## Algebra 1

How to solve multistep equations with fraction involved?

asked by Anna on September 17, 2007
49. ## Solving Two Step Equations

-2p - 4 = 2 What is p? I don't get how to solve this but if anyone could explain, it would make my day♡ Thank you!

asked by Julie Jules on September 25, 2017
50. ## Math

Pls..Help me Understand and to solve Phytogorean Theory

asked by diane on January 10, 2015
51. ## college algebra

Finding domain f(x)=1/x^2-5 Can't remember how to solve, your help is appreciated:-)

asked by Anonymous on February 18, 2013
52. ## Calculus 2

solve this differential equation: dy/dt=0.06y(600-y) y(0)=10 y(t)=?

asked by Maily on March 20, 2013
53. ## algebra

solve, using addition 5.4= x-1.3 write an integer or a decimal

asked by Diana on September 23, 2009
54. ## advanced functions

Solve the inequality 12x^3 + 8x^2

asked by Rinchan on October 20, 2013
55. ## Maths

solve for the unknown value in the give equation (1). 3 (12 - b) = 2 (b - 6) (2). 13p - 26 - p - 6 = 0?

asked by Pedlo on July 21, 2019
56. ## math

solve in factored form 3x^8 - 27x^7 + 21x^6

asked by james on March 27, 2011
57. ## math

1.Use factoring to solve the quadratic equation. x2 - 64 = 63x

asked by Anonymous on March 10, 2010
58. ## algebra

How do I solve for this: F = Av^2/400, for v (force of wind on a sail).

asked by Jane on March 6, 2015
59. ## Physics

Solve the equation. 2 sinx = 0.8. 0< x < 360 degrees

asked by Heena on November 16, 2010
60. ## maths

solve the equation express the answers in p and q x(square) - (p+q)x + (p+1)(q-1)=0 Then x=? or x=?

asked by Jayden Haddy on August 3, 2013
61. ## maths

Solve the pair of simultaneous equation Y=xsquared-x+3 Y=6-3x

asked by kimoya on July 16, 2019
62. ## de~movire

using de~movire to solve the equation x^4-x^3+x^2-x+1=0 thanks working plzlllz

asked by remirez on September 27, 2016
63. ## Maths

Solve for x,leave your answer in surd form. 2/x+2 + 3/x+1=5

asked by Shane on November 27, 2012
64. ## algebra 1

how do you solve a problem that says to find the unit rate?

asked by sally on August 30, 2007
65. ## Algebra

Nine less than a number is fifteen create and and solve the equation

asked by Jarrod on September 27, 2016
66. ## Algebra 1

can a base be negative at the same time as my exponent? how will you solve this one? -6 ^-3

asked by Help on June 28, 2012
67. ## separatio of variables

solve the initial value problem by separation of variables dy/dx=6x^2y and y(0)=4

asked by seth on March 19, 2011
68. ## calculus

how do you solve the initial value problem by using separation of variables dy/dx=1/y^2, y(0)=4

asked by billy on March 19, 2011
69. ## albegra

Will someone help me solve this problem PLEASE!!! Find -xwhen x = 79/57 and simplify

asked by PJ on October 1, 2008
70. ## calculus

solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4

asked by sally on March 19, 2011
71. ## Precal

Write down 3 other possible trig forms for - 1 + isqrt2. How do you solve this?

asked by Mayhem on February 25, 2012
72. ## trig plz help

Solve, finding all solutions in the interval [0, 2π). tan(3x) = -1

asked by brittney on March 6, 2016
73. ## College Algebra

Solve for x in terms of the other symbols: rsx^2 + s^2 x + rtx + st = 0

asked by Carl on October 11, 2014
74. ## Calculus

Would someone please tell me how to solve these two problems? Find the indefinite integral: x(x-1)^5 dx (v^2)(1-v)^6 dv

asked by Richard on November 18, 2009
75. ## college math 209

solve for y, 5y^2-13y=6 I did forget the exponent the first time..

asked by Anonymous on January 16, 2011
76. ## calculus

how do you solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4

asked by kimberly on March 20, 2011
77. ## calculus

how do you solve the initial value problem by using separation of variables dy/dx=-xy^2 when y(1)=-0.25

asked by kimberly on March 20, 2011
78. ## Math Help

Use an equation to solve the problem. What is 57% of 11? A. 11=0.57*n; 19.3 B. n=57*11;627 C. n=0.57*11;6.27 D. 11=57*n;0.19 Is the answer C?

asked by callie on December 3, 2014
79. ## Math help! Tutor only!

Find the value of the expression. 99 x 4/9 - (5+4) Is the correct answer 35? Help please how do I solve this?

asked by Renae on February 25, 2012
80. ## algebra please explain

I don't know how to solve this. what is numerical coefficient of this term -3z

asked by kenxie on December 2, 2015
81. ## Algebra 1

Solve variable in terms of the remaining variables A = P(l + rt) for r

asked by Pat on September 13, 2007
82. ## college

Solve; 5X2 - 8 X + 3 = 0 using the quadratic formula the 2 is to the second power a. X = 1 and X = 3/5 b. X = -1 and X = 1/5 c. X = 1 and X = - 2/5 d. X = 3 and X = - 1/3

asked by deirra on April 16, 2009
83. ## Math

Find the length of the curve y=(x3/3)+x2+x+1/4x+4 Plases solve

asked by Abdullah on March 15, 2017
84. ## calculus

solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4

asked by linda on March 20, 2011
85. ## functions

Given r, x, y, θ of a triangle, solve for the missing parts. a. r = 13, x =–5; b. x = 7, y = –11; c. θ = 133˚ and r = 44.

asked by Lj on January 20, 2013
86. ## 9th grade

how do you solve the equation 15x^2-9x=12x^2+28x

asked by Anonymous on June 2, 2010
87. ## Math

how do i solve this equation with out using the quadratic formula: 5x^2 +18x +11 = 0

asked by Lucyy on April 13, 2009
88. ## math

I hope you understand because I'm trying to make I look like what it looks like for my homework. how would I solve: x = 1 4 2

asked by philena on September 29, 2010
89. ## math

how to solve logarithms symbolically? log17(17)^(x+3)= log7(1) thank you

asked by ellie on August 24, 2010
90. ## Math

How to solve function question? Input | Output 0 | _ 1 | _ -2 | _ 5 | _ | 7

asked by Aruim on February 5, 2018
91. ## calculus

solve the initial value problem by separation of variables dy/dx=-xy^2, y(1)=-0.25

asked by linda on March 20, 2011
92. ## Physics

In physics, how do you solve for the magnitude in 2-D kinematics and what are the x and y-components?

asked by Astrogirl on September 27, 2011
93. ## Algebra II

I'm not sure if this is even close to how I should solve ths Rewrite 9x^2 + y^2 + 36x-6y+36 = 0 9(x^2 + 4x+4) + y^2 - 6y+9 = -36 + 36 + 9 9(x+2)^2/9 + (y-3)^2/9 = 1 =(x+2)^2 + (y-3)^2/9 = 1

asked by Thomas on January 9, 2012
94. ## cal

Solve the problem. Find the area between y=(x-2)e^(x) and the x-axis from x=2 to x=5.

asked by tony on December 23, 2013
95. ## maths(algebra)

can u plz solve ma algebric equation: 3x-4/2=3(x-3)-2 i shall be very thankful to you

asked by qasim on February 17, 2011
96. ## Math

How do I solve this math problem.. (-11-6--5+1+3x2) divided by -5

asked by Leah on September 17, 2009
97. ## algebra

I need to solve this and am not sure how to approach?Do I first find for the sum of the first 2 terms? (x-2)/(x) + (1/2)= (x+1)/(x-2)

asked by lola on January 16, 2012
98. ## PreCalc

can someone help me out with steps to solve this problem? thx 30x^3y^4 ------------- 6x^9y^-4

asked by Art on October 28, 2018
99. ## math

1. solve the following inequality to find a range of values for x: -11 < -4-x < -7 2. solve the following inequality to find a range of values for x: -25 < -x < -10

asked by gary on March 13, 2013
100. ## a problem

Solve: (t+24)/(t^2-t-56)+7/(t-8)=3/(t+7) I do know that (t^2-t-56) can be factored out to (t-8)(t+7) so I have the equation as (t+24/(t-8)(t+7) +7(t+7)/(t-8)(t+7)-3(x-8)/(t-8)(t+7) is this correct ot what am I doing wrong?

asked by Shawn on October 12, 2008