# 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 436
1. ## math

You have a coupon for 25% off a \$2 video rental. How much would you pay? can you please solve with steps.

asked by Taylor on October 17, 2013
2. ## math

At what rate will \$150 double itself in 14 years? Hoe do I solve this?

asked by Kelsey on September 22, 2009
3. ## science.

837x(348 +72) 8 to the power of 3 = what can you solve? Use the order of operations

asked by bob on February 26, 2019
4. ## amth

Solve the multiple-angle equation. cos x/2 = - squareroot 3/2

asked by elise on July 11, 2016
5. ## math

Could someone help me solve this Absolute Equation? Please? I would really appreciate any help... Question~~ Evaluate the given expressions when a = 3, b = -3, c = 4, and d = -1 (a/c)|c| + b – d

asked by Abby on October 3, 2015
6. ## pre cal

Solve the following inequality. Write the answer in interval notation. x^4>4x^2

asked by Anonymous on July 12, 2016
7. ## Math

Solve this in Long Division. (x-6)/(10x^4-50x^3-800)

asked by Amy on October 12, 2014
8. ## pre calculus

Use the information to solve the triangle. If two solutions exist find both. 1.A=36°, B=98°, c=16 2.a=4, b=8, c=10 3.A=35°, b=8, c=12

9. ## Math2

Directions:Solve and graph the inequalities using words. Problems: 4.-3x>-6 or x-52x-1 or -6>-2x-2

asked by margie on April 18, 2007
10. ## Math

How do i take out 2 or solve from: y=(2theta + pi)+3 Because i need to find the mathematical changes in the graph but i can't figure it out?

asked by Jackson on March 2, 2016
11. ## Algebra II

Solve for X. Give exact answer in form of fraction. ln 27+ln(x-8)=ln(9x-8)

asked by Arielle on November 8, 2011
12. ## MATH

asked by MAYA on March 17, 2010
13. ## Math

Solve by substitution :addition, substration or multiplication 2X+10Y=2 and 3X-5Y=-17 X= Y=

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

42=18t+4(t+5) this confuses me am i supposed to find the answer to both of the (Ts)? and how do i solve it

asked by Sara on September 23, 2008
15. ## math

Can you please solve alogX=lnX Logy=log e * ln y will allow you to convert. X=I

asked by Jennifer on October 30, 2006
16. ## Math

Suppose A and B are events with P (A)=0.25, P(A or B)=0.5, and P (A and B )=0.07. Find each of the following. a. P(B)=0.07/0.25=.28 b. P (not B)= Please help me I need the steps to solve the question

asked by Keonn'a on October 9, 2018
17. ## math

need to know how to solve this problem At what ratae will 150 double itself in 14 years?

asked by Terri on September 21, 2009
18. ## math

asked by spud on October 8, 2014
19. ## algebra

asked by jane on November 10, 2011
20. ## algebra

solve quadratic equation x2 + x + (sqrt 3/4)i = 0 complex roots

asked by dave on October 16, 2012
21. ## math156

x/3 = x+10/6 it would read as x over 3 = x plus 10 over 6 I have no idea what I am doing with this one, can someone point me in the right direction. I need to solve the porportion

asked by Christy on September 15, 2009
22. ## Math

Solve the Equations 142=58-7x 2x+96=-44-3x -26=-7x+4(2x-4) 7x+5(-4x-4)=-124 -7x-35=28 10x+36=-108-2x

asked by i need help on May 30, 2013
23. ## math

how do you solve: input __ 16 22 50 8 30 output 10 11 14 28 __ 18 (hint: divide and add)

asked by ty on March 18, 2013
24. ## chemistry

how would you solve this??? in short and long form? 238 12 (4) 1 92 U + 6 C ---> 0 N + _____

asked by monique n on December 8, 2010
25. ## Slope Form!!

2x + y = 9 *You need to put it into slope form and solve for x and y!PLz help! y= -2x + 9 -2,intercept: -7

asked by Natalie on November 5, 2006
26. ## Math

Solve; 5X2 - 8 X + 3 = 0 using the quadratic formula the 2 is second power can someone explain

asked by Tracy on April 16, 2009
27. ## algebra

How do you solve the expotential notation equation 120-6^2/4x8?

asked by Jane on March 8, 2010
28. ## Algebra 2

Solve e^(2x-1)=3 I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

asked by Brandon on May 25, 2011
29. ## Trigonometry

Solve △ABC, given a = 4.4, b = 9.1, and c = 5.7. Round your answer to the nearest tenth.

asked by CJ on January 12, 2011
30. ## calculus

solve the differential equations subject to the given conditions. dy/dx= 4x^1/2 y=21 of x=4 is this derivative?!

asked by Anonymous on July 21, 2012
31. ## math

I was trying to solve for X in the equation 4/3 - 4/x = 3x-2/ 3x. I got -1 but I know the answer isnt right. Can someone help me fix my mistake? Thank you

asked by Katherine on February 27, 2018
32. ## algebra

I am trying to solve 5x+y=30 - this is what I have completed so far. 5x+y=30 -5x =30-5x y= 25x so the points to plot would be -5,25 ? I do not think is correct - please help

asked by maryk on September 13, 2009
33. ## Trigonometry

Solve each equation on the interval [0, 2pi): a. 4sin^2(x)-3=0 b. cos(3x)=-1

asked by O on March 28, 2015
34. ## algebra 2

how do you solve quadratic equations by finding square roots

asked by converse on November 30, 2009

How do i solve this? Write a rule for the function. Input,x 0 1 2 3 Output,y 3 5 7 9

asked by Hope on August 12, 2010
36. ## Math

solve the exponential function for x using base 5 logarithms. 5^x+4=125^1-3x

37. ## math

solve (-2y)^2(3x^3) I totally don't get this problem. Does my answer come out with x and y ? how do I eliminate?

asked by johnathan on July 18, 2013

Solve for x: log5(x-2)+log8(x-4) = log6(x-1). I do not have any idea on this topic.

asked by Seth on April 3, 2013
39. ## Algebra 1 Answer Evaluation

Solve x^2 -6x - 13 = 0 by completing the square. Give exact solutions. A: x = ±√22 (or) x = ±4.69

asked by Victoria on May 13, 2014
40. ## math

how do i solve the problem what is the radius of a circle with a circumference of 24 pie

asked by Laney on September 27, 2008
41. ## Algebra(1 of 3)

Solve the matrix equation 2x + 5y = 1 x + 3y = 0 for y. A)1 B)3 C)-3 D)-1 I chose D 2x + 5y = 1 y = 5 - 2x x + 3(5 - 2x)= 0 x + 15 - 6x = 0 7x = 15 x = 15/7 I know that's wrong I don't know what to do

asked by Jon on February 18, 2008
42. ## Precalculus with Trigonometry

Draw and solve any triangles satisfying alpha = 20 degrees b = 10 c = 16

asked by Natalie on April 4, 2013
43. ## math

Solve variation problem if m varies jointly as z and p, and m=10 when z=2 and p=7.5, find m when z=5 and p=7

asked by Anne on February 24, 2012
44. ## math

solve using the addition principle. -6+x>5 I have not done one of these problems with the less and greater sign... can someone please help me? thanks

asked by Anonymous on September 24, 2009
45. ## math

How to solve this quadratic equation by factoring? 10x2 - 19x -15 = 0

asked by JoAnn on January 20, 2009
46. ## math

I'm not understanding and writing the following proportion: 8 is to 64 as 2 is to x, can somebody explain how to solve this problem.

asked by cora evans on December 28, 2013
47. ## math

1.Express (xe^x)^2=30e^(-x) in the form lnx=ax+b,and find the value of a and of b . 2.solve 4(3^2x)=e^x

asked by Claudia on July 26, 2013
48. ## Algebra

Solve sqrt:9x+55=x+5, Simplify and use comma to separate the answers

asked by Chris on November 9, 2011
49. ## Math

Solve 4sin^2x + 4(squareroot of 2)cosx -6 for all real values of x.

asked by Joanie on January 20, 2009
50. ## Maths

How to solve rate of flow of water problem in mensuratuon ??

asked by Prasina on March 30, 2017
51. ## finance

solve problem in chapter 2 of Brealey, Myers, Marcus

asked by janet on January 22, 2009
52. ## Algebra

Use synthetic division to find P(3) for P(x) = x^4 - 6x^3 - 4x^2 - 6x - 2 I don't know how to solve this, can someone explain how please?

asked by Emma on November 30, 2015
53. ## 2nd Math

My daughter is learning about comparison problems. I would like to know how to write one and solve it.

asked by Duane on February 20, 2014
54. ## algebra

Solve for x. (Round your answer to three decimal places.) log7 x = 1/2 x=

asked by angie on December 1, 2014
55. ## Math

Solve for the missing variable. 4^x =2 Example: 3^2n+1 = 3^4 Cross out both the threes 2n+1 =4 Subtract 1 2n=3 n=3/2

asked by Aria on March 12, 2017
56. ## Pre calculus

How do I solve this quadratic inequality? X2- 7x+10>0 the problem is actually written x to the 2 power -7x+10>0.

asked by Mesha Holland on September 26, 2009
57. ## Algebra

Why is it important that you follow the steps rather than solve the problem from left to right?

asked by Anonymous on November 29, 2009
58. ## math

can you solve expressions that have the same variables, but are in a different order? For example: 36jkm - 36mjk

asked by Andrew on October 1, 2015
59. ## Algebra 3

Trying to solve this rational inequality but can't figure how to factor the numerator. ((3x-2x^2)/(4-x^2))

asked by Joe on November 6, 2011
60. ## CALCULUS - HELP

I am trying to solve 0=1-asin(a) for a, but I have reached a dead end at sin(a) = 1/a. From here I'm not sure what to do.

asked by Anonymous on June 5, 2012
61. ## Algebra

Solve using the multiplication principle. -4/5x=16/35. (5)-4/5x=16/35(5) -4x=180/175 Now I'm lost. What do I do now? Thanks.

asked by B.B. on February 22, 2010

Can someone help me solve this problem: cos^2x + 5cosx - 2= 0 I am having some trouble finding x

asked by Anonymous on February 5, 2009
63. ## Math

solve the inequality. Expiation each step and identify the property used. (n)/(-3)+5>4

asked by nana on November 16, 2016
64. ## Math Algebra

There are numbers whose sum is 50. Three time the 1st is more than twise the second.? please solve

asked by ALLAH UDDIN on February 21, 2016
65. ## Math

How do you solve this? 2x^6/4x^2 When you divide 2 and 4, how do you know whether to put the answer on the nmerator or denominator?

asked by Angie on February 6, 2009
66. ## Math

Find the domain of the function. f(s)= sqrt s-1 over s-4 I think I have to solve the inequality (s-1)>=0 but I do not know how to.

asked by Maggie on February 5, 2009
67. ## math

Solve the problem you have 8 dollars but owe your mom 12 dollar.

asked by mikil on August 12, 2013
68. ## Geometry

I'm trying to solve for y (4y+2) = 2(3y-25) I've gotten as far as y= -26 but i needed to figure out how to make the answer positive

asked by Julian on September 27, 2015
69. ## MATH -- INFINATE SOLUTIONS?? HELP!!

Can anyone help me solve this problem; 2x + 3 = 2x + 4 - 1 and explain why there are an infinite number of solutions? Thanks!!

asked by Muzzybunny on January 24, 2013
70. ## Algebra II

how do you get the x inercept of a equation like 7/(4x^2-21x-49)? I know you put it in y=mx+b but i don't know how to solve for x in this

asked by Renee on February 25, 2011
71. ## MAT/117

The weight of an object varies on different planets. Solve the equation w=Cr^-2 for r

asked by Anonymous on September 20, 2011
72. ## Math

Solve each linear equation by substitution. The answer is suppose to be (-2, -4) Thank you for your help. {-5x+3y=10 x-4y=14

asked by Steve on February 26, 2010
73. ## math

how do u solve "why did zorna pour ketchup on her brothers hand?"

asked by Stephanie on November 13, 2009
74. ## algebra II

this is called equations utilizng inverses how would i solve this problem: [ 15 18 ] = [ 6 -3] [ 34 27 ] [ 7 -2] A

asked by Nikki on August 27, 2008
75. ## Math (Algebra) Repost from July 27, 2010 at 4:13pm

Could someone help to explain to me how factoring is used to solve quadratic equations? Also could you give me some example to try? Thank You.

asked by Lynn on July 28, 2010

Directions:Solve the rational expression. Problem: 1/(x+3)+1/(x-3)=1/(x^2-9) get (x+3), (x-3), and (x^2-9) to the same denominator...

asked by margie on March 27, 2007
77. ## Math

How would you solve: Ln[e^5x/x(x^4+1)] in a form with no logarithms of products, quotients, or powers?

asked by Anonymous on November 9, 2010
78. ## Math

solve the inequality. Expiation each step and identify the property used. 3a-4

asked by nana on November 16, 2016
79. ## geometry

how do i solve this. the measure of each side of an equilateral triangle RST with RS = 2x +2, ST =3x and TR

asked by ruben on December 14, 2010
80. ## math

\$112 for 16 tickets, solve by determining the unit rate

asked by isaac on May 6, 2009
81. ## Math

Simplify the expression csc@cos@tan@. What is the best way to solve this?

asked by V on September 5, 2010
82. ## Intermediate Algebra

Solve and check each radical equation. square root y+10=y-2

asked by Kimberly Williams on October 2, 2013
83. ## Math

2^6x-1 = 18 and... can you solve exponential functions without using log if the base isn't the same..?

asked by Anonymous on October 5, 2007
84. ## Math -3

How do I write a mixed number fractions greater than 1. 6/5 13/5 9/5 17/5 How do I solve it?

asked by Nelson on January 10, 2013
85. ## algebra

solve the inequality express in interval notation x^4 + 4x^3 - 9x^2 - 36x < 0

asked by anon on December 20, 2011
86. ## algebra

solve 2x^2 = 9x. round to the nearest tenth. a)x = 0 or x = -4.5 b)x = 4.5 c)x = 1.5 or x = 3 d)x = 0 or x = 4.5 i think the answer is d but i could be wrong

asked by gabriel on June 8, 2010
87. ## government secondary school abuja

solve the partial fraction.x^4+3x-2/(x^2+1)^3(x-4)=(Ax+B)/(x^2+1)+(Cx+D)/(x^2+1)^2+(Ex+F)/(x^2+1)^3+G/(x-4)+H/(x-4)^2.Find the value of ABCDEFGH, plz help

asked by anthony on July 28, 2015
88. ## Math

how do i solve for t and turn this equation into a sin function d(t)=-8cos(pi(t)/30)+8

asked by Chris on January 5, 2016
89. ## College Algebra

Solve for the specified variable in each formula or literal equation Sn=n(a1+an/2) for n (sequences)

asked by Kristen on January 27, 2013
90. ## algebra homework help

The sum of two consecutive integers is 285 How would I solve an equation like this

asked by jennifer on October 11, 2016
91. ## maths

hi every one pls i dont know how to solve this question nor have the idea the quetion goes does: 4x+6y=21 7x-3y=3

asked by olumide on January 21, 2019
92. ## Math

Solve each linear equation by substitution. {3x-2y=3 -x+2y=7 The answer is suppose to be (5,6)

asked by Steve on February 25, 2010
93. ## Algebra

Solve algebraically and check your potential solutions: sqrt((x+2) -x =0

asked by Betty on January 20, 2012
94. ## Vista High school

solve the following inequality. write your solutionin interval notation x^3-x

asked by brittney on January 10, 2013
95. ## Geography

I'm trying to solve for y (4y+2) = 2(3y-25) I've gotten as far as y= -26 but i needed to figure out how to make the answer positive

asked by Julian on September 27, 2015
96. ## Math

Solve each linear equation by substitution. The answer is suppose to be (-2, -4) Thank you for your help. {-5x+3y=10 x-4y=14

asked by Steve on February 25, 2010
97. ## Geometry-Solve for x

ok so I have to solve for x in this problem. and I have tried and tried to figure it out but I cant. 12(4x-2)=9(3x+2) I distributed them but after that when I try to simplify im lost. can someone please help???

asked by Corie on January 25, 2013
98. ## algebra

Solve the equation by factoring. 2x^2 + 8x + 1 = 0 How do I arrive at this answer? -2 + or - radical 14 over 2

asked by John on August 31, 2009
99. ## Math/Trig

Solve: sin x - 2sin x cos x = 0 for 0 is less than or equal to x is less than 2pi.

asked by CJ on January 20, 2011
100. ## Math

How do you solve Log3(log9x) = 1 I honestly have no idea I can't figure it out :(

asked by Laura on January 10, 2018