# 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 434
1. ## Math 107

A right circular cylinder with height 25 and base radius 8 solve for A=

asked by Lonzie on October 30, 2016
2. ## Algebra

Solve the following inequality. (x-4)/(-x+2)>0 Write your answer using interval notation

asked by Jena on February 1, 2011
3. ## Algebra

Solve the following inequality. (x-4)/(-x+2)>0 Write your answer using interval notation

asked by Jena on February 1, 2011
4. ## Trig/Pre-Calc

Solve the polynomial equation. 15x^3-119x^2-10x+16=0

asked by Anonymous on November 13, 2014
5. ## University, Engineering Math

solve the ffg. differential equations: 1. x^3 +(y+1)^2 dy/dx=0 2. dy/dx-(1+1/x)y=y^2 3. dy/dx + ytanx=y^3sec^4x

asked by Taldil on February 5, 2013
6. ## Pre-Algrebra

I have to solve the equation s=g+h and am totally clueless as to how to even start. Please help explain. Thank you.

asked by Samantha on January 30, 2012
7. ## Math

I'm helping my daughter with Algebra homework and I've forgotten how to solve the following. x/2-12 = -3 + x Can someone help

asked by Ashleigh on October 13, 2011
8. ## Math

How would you solve for X if X was the hypotenuse of a 45-45-90 triangle and the other two sides were Square Root of 11?

asked by Raymond on September 11, 2011
9. ## Math

Solve the following systems of linear inequalities x+2y is less than or equal to 6 y is greater than -4x

asked by M on January 29, 2015
10. ## geometry

solve the proportion: 5/2=22/24w the answer is 11/30 but I don't understand how you get that.

asked by Emma on June 9, 2014
11. ## Algebra

How do I solve the quadratic equation 3x^2 + 5x + 2 =0 Please explain the steps-I really don't get this

asked by Anita on September 21, 2010
12. ## 5th grade math

can you explain inverse operations to solve an inequality program?

asked by Karli on December 19, 2010
13. ## math

how did acting itout yhelp you solve money problems?

asked by amy on February 4, 2010
14. ## Math

need help rearanging this formula T= 2pie sqrt(m/k solve for k is this right k= T^2/m 4pie^2

asked by jake on February 4, 2010
15. ## Math

3d-10=5 (d-4) i don't understand hoe to solve the problem... plz help

asked by Aria on October 29, 2015
16. ## algebra

How would learning how to solve logical problems, help you in your real life?

asked by jimmy on January 30, 2012
17. ## math

Solve give your answer in interval notation: 5-4x^2>=8x!!! Please help ASAP!!!:(

asked by Andrea on December 8, 2018
18. ## math

Solve for the base, rounding answer to hundredths if necessary: 76 is .2% of ______.

asked by Anonymous on March 9, 2014
19. ## Math 116 algebra

solve using the multiplication principle. don't forget to check -5/6x = -7/8

asked by jay jay on July 15, 2008
20. ## Math/chemistry

how do I solve this equation? 106 g * 4.184 * (X-23 degrees celsius)

asked by Tom on October 20, 2009
21. ## Algebra 1

Solve the equations and inequalities using algebraice properties for the following: 28x + -6(3x + -5) = 60 3(x-2)-8x

asked by Asa on September 15, 2015
22. ## math

need help reearing formula T= 2pie sqrt(m/k solve for m is this right k= T^2/m 4pie^2

asked by jake on February 4, 2010
23. ## Algebra 1

How exactly do you find/solve a Perfect Square Trinomials and factoring them?

asked by Heaven on April 10, 2013
24. ## Science

Solve two speed problems with a different missing part of the formula.

asked by Joe on November 15, 2008
25. ## Algebra

Describe the steps you would use to solve consecutive integer problems.

asked by Brianna on October 13, 2011
26. ## Math

List the elements {a1, a2, a3...} where an is defined as a1= 1, an=na(n-1) n E N, 1

asked by Alicia on April 14, 2011
27. ## algebra

solve a number is one half of another .find the numbers if their difference is 17.

asked by kattie on January 3, 2011
28. ## calculus

39x + 75y over the square root of 97 =650 how do I solve this?

asked by Cynthia on April 25, 2013
29. ## gms

Which is a reasonable first step that can be used to solve the equation mc002-1.jpg?

asked by jahh on December 13, 2016
30. ## Calculus

How can I solve this using Log differentiation? I'm not sure how to even start it. y=(cos(x)(x^2+9)^(2/3)/(sqr(x^3+2))

asked by Cam on April 13, 2015
31. ## Trigonometry

Solve the following equation tan (2x)+ sec (2x) = cos (x)+ sin (x) Thanks for your help

asked by Tommy on July 24, 2008
32. ## algebra

how do you solve pattern equations using input and output values

asked by julie on October 21, 2008
33. ## math

give exact and approximate to three decimals places x^2+8x+16=25 Please help me solve this

asked by chelsea on January 29, 2012
34. ## Math

Graph the equation -1/2x - 2/3y = 3/4 I'm not sure how to do this, can someone walk me through the steps in order to solve this.

asked by Help me! on December 12, 2018
35. ## Algebra

Need help with this problem, 2x+y=6 solve for y 2x+y=6 subtract 2x from both sides. 2x-2x+y=6-2x combine terms y=6-2x

asked by Tony on February 16, 2007
36. ## Math

How would I solve this part of the Fibonacci sequence piecewise function? f(n) = f(n-1)+f(n-2) if n > 1. Thanks

asked by Shadow on March 2, 2013
37. ## Algebra

How do i Solve this. It says perform indicated operations and express in lowest terms. 5x 20 ------------ + -------------- x^2-5x+6 x^2-6x+8

asked by John on November 17, 2008
38. ## math problem

Solve each of the following problems involving percent. 6.5% of what number is 325?

asked by Ann on July 23, 2008
39. ## trig

solve this equation: 4x^3-4x^2+13x-6=0 note: that's suppose to be 4x to the third and 4x squared

asked by Amanda on December 1, 2007
40. ## 5th grade math

use inverse operations and a property of equaility to solve the equations. x+13=42 x-12=37

asked by casey on March 2, 2011
41. ## math

Solve. (Enter your answers as a comma-separated list.) x2 − 8x + 15 = 0

asked by jayce on March 6, 2014
42. ## Math

Identify the two numbers less than 20 with the most factors.explain how you solve the problem

asked by Raelynn on October 24, 2017
43. ## math

how many different 5 player teams can be chosen from eight players? What formula do I use to solve this?

asked by Mark on June 26, 2017
44. ## Math

Multiple Choice For questions 1-5, solve the equation. 1. -9p - 17 = 10 A. -3 B. 16 C. 18 D. -16 I'm not too sure, I think it's -3, but I don't know. Can anyone help please!

asked by Nev on December 11, 2018
45. ## arithmetic

Please can you tell me if the sum of this equation is correct? 19+2x5-11=18. Am I right to use BODMAS to solve it? Thanks for your help.

asked by Sam on February 5, 2010
46. ## Algebra1 HELP PLEASE

Solve 7⋅x = x2 - 6 by using the Quadratic Formula. Round to the nearest tenth.

asked by lisa on July 5, 2013
47. ## algebra

3x+5y=0 2x-5y=-9 idk how 2 solve it then graph it my teacher eont help me plzz help

asked by angel on January 25, 2011
48. ## calculus

Solve the equation. 2x - 4 = -10 Find the LCM of 29 and 116. Simplify. 88 · 8-8

asked by james on April 22, 2010
49. ## precalc

solve in degrees 1) 2sin2 (x/4) = 1 2) 2 cos (3x) + 1 = 0 3) cot2 (x + 18°) = 1 4) (1 + tan(x + 87°)) / 2 = 7

asked by yani on October 27, 2015
50. ## alegebra 1

how do you Find the slope of graphs and linear equations??? like (3,5) and(2,-2) how do i solve that

asked by jessica on October 31, 2009
51. ## trig

Find arcsin [cos (Pi/2)] The answer is 0. How do you solve this problem? Thanks.

asked by Chris on June 8, 2009
52. ## Matrices (math)

0.433= (45.6*A) + (3.152*B) 0.3363= (11.92*A) + (37.675*B) Solve for A and B using matrices

asked by Jess on May 2, 2013
53. ## Calc 1

I need help solving for this final problem to complete my assigment. Please help! Solve for x: ln(x^4)-ln(x^2)=2

asked by arcos15 on September 24, 2012
54. ## Algebra

Solve the exponential equation. 4^2x – 2 = 26 I know I use the one to one property to equate. But I am confused. Thanks!

asked by Meghan on July 29, 2011
55. ## math

if all nos in the equation y/y+101 = 11in base 2, solve for y

asked by tim on April 27, 2011
56. ## math

help pleaSE factorable quadratic equation and solve for the roots: 2x^2 + 13x + 20=0

asked by WINSTON on March 9, 2014
57. ## coordinate geometry

some smart person solve thiss ;] y-18x+18=4 or help me im confused

asked by J on March 3, 2011
58. ## maths

solve using first principle of differenciation 1)y=sin{square root(x)}

asked by henry1 on May 16, 2016
59. ## texas historty

what questions might steph Austin have asked himself before trying to solve a problem

asked by jen on October 25, 2017
60. ## Math

How do I solve this problem? 6C3 A. 120 B. 720 C. 20 D. 240 Is it 6*5*4*3*2*1

asked by Jon on April 12, 2015
61. ## Algebra

Suppose that A = D + E and that D/A = 0.80. Solve for D/E. These are the steps I have taken, but I don't know how to proceed. 1. Divide A = D + E by A. 2. 1 = .80 + E/A 3. .20 = E/A 4. A/A = 1, D/A = .80, E/A = .20.

asked by Eliza on September 6, 2014
62. ## Mathematics

"Write the unit rate as a fraction" "25 feet per second" How do you solve this?

asked by ERIN on August 29, 2011
63. ## Algebra 1

Solve the equation. Identify any extraneous solutions. sqrt d=-6

asked by Help on May 14, 2018
64. ## pre algebra

simplify: (2k+7)(7k-1)\ can someone please help me solve this problem and go through the steps to solving it with me. Its too confusing for me. Thank You

asked by Kimberly on June 10, 2009
65. ## math

a) Identify the base in the following statement b) Solve for the amount. What is 81% of 285

asked by homer on April 26, 2011
66. ## 7TH GRADE MATH HELP!!!!!

Hey I had to divide 7 by 20 and the answer is .35 but I need to solve it without a calculator and I dont know what I'm doing please help thanks you

asked by Sam on June 17, 2017
67. ## Math

Solve it showing detail steps..please. Integrate : ∫(cos^3 x)^2 ⁡dx

asked by Wawen on August 29, 2016
68. ## pre algebra

solve and check the following equation:I have no idea as to how to answer this. 69g-60=5g-2-g

asked by Kim on June 9, 2009
69. ## Calculus

I need help solving for this final problem to complete my assigment. Please help! Solve for x: ln(x^4)-ln(x^2)=2

asked by arcos15 on September 24, 2012
70. ## math

find the value of x 8-2x=1 and 1/5 how do you solve it, can you explain and then give me examples to try on my own thnx.

asked by Anonymous on March 9, 2013
71. ## Algebra

solve the following literal equation for r v=pi r^2h I got r=+/- sq root v/pi•h am i done or do i need to eliminate signs?

asked by Shirley on August 8, 2018
72. ## trig

Solve without using a calculator or tables cos(5pi/6 + pi/4) Thank you Reiny!:)

asked by Priya on May 1, 2008
73. ## Math

Solve the equations and inequalities using algebraice properties for the following: 28x + -6(3x + -5) = 60 3(x-2)-8x

asked by Anonymous on September 15, 2015
74. ## Math

Solve the equations and inequalities using algebraice properties for the following: 28x + -6(3x + -5) = 60 and 3(x-2)-8x

asked by Asa on September 15, 2015
75. ## college algebra

How do you solve f(x)=square root of 2x+1 using the difference quotient? I need to see the steps.

asked by Anonymous on September 7, 2012
76. ## math

How do I find the x intercepts of the function f(x) = -6x^2 + 2700x - 63,750 I know the y has to = 0, but I'm not sure how to solve for x.... Thank you.

asked by Carly on November 8, 2018
77. ## Math

Describe in your own words how to solve a linear equation or inequality

asked by Raul on July 27, 2011
78. ## math

118 ft = ________yd____________ft . 21 ft 11 in =_______in please explain how to solve these sums. thank u

asked by sai on July 13, 2015
79. ## Math

(8x-5)/(12x+3) = 5/9 Hey guys, could someone please solve for x? I'm not sure how to simplify this equation -\_(ツ)_/- Many thanks.

asked by Azuka on November 8, 2018
80. ## Math help algebra HELP plz

Solve A collection of dimes and quarters is worth \$7.65. There are 45 coins in all . How many of each are there?

asked by David on December 13, 2012
81. ## Algebra

How to solve a question with two variables? X=3Y-6 20Y+35X=3795

asked by Annabelle on January 25, 2017
82. ## trig

Solve the given triginometric equation analytically 2 sinx = tanx

asked by Priya on May 1, 2008
83. ## pre cal 2

use law of sines t solve the triangle A=5degree 40', B=8degree 15', b=4.8

asked by danielle on July 29, 2011
84. ## Calculus

Solve the differential equation: dy/dx = (3x^2) / (y+1) with initial conditions x = -1, y = 2 I have: ∫y + 1 dy = ∫3x^2 dx (y^2 / 2) + y = x^3 + C (2^2 / 2) + (2) = (-1^3) + C? 4 = -1 + C 5 = c (y^2 / 2) + y = x^3 + 5 Is this correct?

asked by Omar on May 27, 2016
85. ## Algebra 1

Solve the equation by graphing the related function. x^2-9=0 I have no idea how to do this. Please help!

asked by Nicolette on March 26, 2016
86. ## Math

How am I going to solve the length of 20.4mm and 20.6mm. Find the perimeter

asked by Chinedu on May 19, 2019
87. ## algebra

Solve the equation check for extraneous solutions 9[9-8x]=2x+3 please explain

asked by kevin on September 8, 2012
88. ## Mathmatics

Solve the problem. Make sure your answer is in simplest form. 5/8 x 4/15 =

asked by Bella on October 20, 2015
89. ## college algebra

Solve each variation problem. n varies directly as q, and n= 39 when q=3. Find n when q=8.

asked by BJ on April 23, 2010
90. ## algebra II

solve forx. state any restrictions on the variables: (x+3)=g x+3=lt2

asked by sugger on October 22, 2011
91. ## math

Solve sec to the power of 2 times x minus 1 = 3, x such that [0,2pi).

asked by Libby on January 26, 2015
92. ## Pre-algebra

0.2297=(1/x^2-1/49) I don't get how to solve for x. Pls help stuck on a problem

asked by Sonia on June 19, 2011
93. ## Math

Solve the equation by first factoring the quadratic expression. 1. x2+4.5x=0 2. x2-9x=0 3. -x2+10x=0

asked by Enrique on February 23, 2013
94. ## algebra

solve the equation for the indicated variable 6k + 8m = 20; m i don't understand! help asap

asked by megalou on September 26, 2011
95. ## Math

Solve the equation by first factoring the quadratic expression. 1. x2+4.5x=0 2. x2-9x=0 3. -x2+10x=0

asked by Enrique on February 23, 2013
96. ## AP Calculus

Find the derivative for f(x)=-x^2+x Do I put -x^2 on the denominator? How would I solve it if that's the case?

asked by Sarah on November 30, 2014
97. ## math

solve the following inequality. Write your solutions in interval notation. x-5/x+2>=1 I do not know what i am doing at all, please help!

asked by sue on April 18, 2013
98. ## Chemistry

2.5E-5 = (x)^2/1.75 So to solve for x i know I have to take the sqrt of both sides but first do I have to move the 1.75 to the left side?

asked by Hannah on April 3, 2012
99. ## math

Solve if each letter is a different digit. ABA + CBC CBCB -

asked by shanti on September 29, 2009
100. ## Math

Which common denominator could be used to solve the subtraction problem? 5/6 - 2/15 A. 12 **** B. 30 C. 5 D. 18 I think it is A., am I correct?

asked by cAt.ExE HaS sTopPeD wORkInG on October 2, 2018