# 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 58
1. ## Algebra

Solve the equation. (2 pts.) --Show EVERY step!  2x + 5 = 17

asked by Kaai97 on February 9, 2016
2. ## Algebra

Can you please show me the steps on how to do this, and what the answer would be? 87. Solve the equation: v-4/5=3/8 THanks

asked by y912f on May 6, 2010
3. ## Math

Solve for the indicated variable. Can you please show me the steps on how you get the answer so I know how to do it. Thanks. F=9/5C+32, for C

asked by Ryan on May 6, 2010
4. ## Algebra1

P=2l+2w Solve for l. Please show me how you got your answer so I will understand how to do these problems. Thank you.

asked by Samantha on October 25, 2009
5. ## college algebra

2/5(5x-3) - 1/3(12x-5). Have the correct answer but need someone to show me how to solve for it.

asked by amber on June 20, 2011
6. ## algebra

Please solve 4x² + 8x + 16 = 0 and show steps. Confused..

asked by J.C. on April 9, 2010
7. ## Algbra

I need help with the following question. Solve for y: 3x - 2y = 8 + x Please show the steps and the answer, thanks.

asked by Zach on February 14, 2011
8. ## math

so lve equation 3(k-4.8)=-0.7(k-6.9) show steps to solve

asked by Anonymous on December 5, 2012
9. ## calculus 1

Use Newton's method to find all solutions of the equation correct to six decimal places. (Enter your answers as a comma-separated list.) 6 cos(x) = x + 1 can somebody explain to me step by step on how to solve this problem?

asked by john on November 7, 2017
10. ## Chemistry

I'm really not getting how to solve these chemical equations. If someone could explain to me their method of solving. I know you have to list the number of reactants and products for each side but I get confused what you add and what determines what you

asked by Nick on January 25, 2011
11. ## Chemistry

0.1825 g of Fe(NH4)2(SO4)2•6H2O is dissolved in 250.00 mL of solution; this is Solution A. 5.00 mL of Solution A is transferred to another flask, and it is diluted to a total of 100.0 mL to make another solution, which is Solution B. Next, 3.00 mL of

asked by Anonymous on October 16, 2017
12. ## Chemistry

3. 0.1825 g of Fe(NH4)2(SO4)2•6H2O is dissolved in 250.00 mL of solution; this is Solution A. 5.00 mL of Solution A is transferred to another flask, and it is diluted to a total of 100.0 mL to make another solution, which is Solution B. Next, 3.00 mL of

13. ## Chemistry

3. 0.1825 g of Fe(NH4)2(SO4)2•6H2O is dissolved in 250.00 mL of solution; this is Solution A. 5.00 mL of Solution A is transferred to another flask, and it is diluted to a total of 100.0 mL to make another solution, which is Solution B. Next, 3.00 mL of

asked by Anonymous on October 16, 2017
14. ## Math

A biologist has three salt solutions: some 5% solution, some 15% solution, and some 25% solution. She needs to mix some of each to get 48 liters of 18.75% solution. She wants the number of liters of the 25% solution to be equal to one liter less than the

asked by Haley on November 28, 2017
15. ## physics

Consider the system shown, with m1 = 2.0 kg, m2 = 3.0 kg, and α = 30o. The force F acts horizontally to the left and the kinetic coefficient of friction between m1 and the incline is μk = 0.40. The mass m2 is moving up at a constant speed. (a) What is

asked by Alli on February 19, 2013
16. ## Physics

A low friction cart of mass m, traveling at speed v, collides (perfectly) elastically with a cart of triple the mass, initially at rest. What is the result of this collision? (What are the final, after-collision velocities?) Do NOT use the derived

17. ## Biology

Tay-Sachs disease is a hereditary disease that kills 1 in 360,000 individuals in the general population. Individuals homozygous for the defective allele have Tay-Sachs disease and die at an early age.Studies show that heterozygous individuals have a higher

asked by Alexander on November 13, 2015
18. ## PHysics

The vector position of a 3.65 g particle moving in the xy plane varies in time according to the following equation. r1 = At the same time, the vector position of a 5.60 g particle varies according to the following equation. r2 = For each equation, t is in

asked by engmath on February 16, 2010
19. ## Heeeeeeeelp

Read the following instructions in order to complete this assignment and review the example of how to complete the math required for this assignment: Use the properties of real numbers to simplify the following expressions: 2a(a – 5) + 4(a – 5) 2w –

asked by Myya on September 15, 2013
20. ## Math

All picture frames in a store are on sale at the same percent off the regular price. This sign is near the picture frames to help shoppers calculate the sale price. regular price sale price ------------- ---------- 4.00 3.00 6.00 4.50 8.00 6.00 10.00 7.50

asked by Cherry on January 20, 2015
21. ## computers

Can you find both multitasking system and a multiprocessing system operating system?

asked by Dani on May 26, 2010
22. ## alberaic method!

how do I convert 0.12... to a fraction using algebraic method? Isn't 0.12 twelve hundreths? 12/100 = 6/50 and it can be reduced further. I'm not sure what is meant by "algebraic method" here, but .12 is the same as 12/100 Generally, if you have a decimal

asked by allana on October 19, 2006
23. ## applied maths

Partv1-v2cle A and B have masses 0.75 and 0.65 respectively. They are approaching each other moving along a straight line with speed 6m/s and 4m/s respectively. The coefficient between them is 4/3. After collision,the direction of motion of B is reversed.

asked by yhakubu on November 25, 2016
24. ## help!

A horizontal translation is applied to the graph of y= X^ 3 + 2 so that it will pass through (3, 10) what is the new equation for the graph? how do I do this? When x=3, one wants y to be 10 y= (x+a)^3 + 2 20= (3+a)^3 + 2 solve for a. I would change it to

asked by kris on August 28, 2006
25. ## Dynamics

A car weighing 3220 lb a curve of 200 ft radius bank at an angle of 30°. Find the friction force acting on tires when the car is traveling at 60 mph. The coefficient of friction between the tires and the road is 0.9. show solution step by step show FBD

asked by 18 on July 14, 2018
26. ## ALG

Solve. Write the solution set using interval notation. x2 + 16x + 64 > 0 Solve. Write the solution set using interval notation. x − 4/ (x + 1)(x − 1) ≤ 0

asked by HELP ASAP on April 30, 2014
27. ## chemisrty

as a system increases in volume it absorbs 52.5 j of energy in the form of heat form the surroundings. the piston is working against a pressure of 5.00 atm. The final volume of the system is 58,0 L. What is the initial volume of the system if the internal

asked by Jay on November 16, 2010
28. ## Algebra

I am trying to find out if my answer's are correct. Can someone please verify. What is the equation for the line that passes through the (-2,2) and has a slope of 5? Answer- Y=5x + 2 Y=5x +12 Y=5x -2 None of these ¨C I believe this is the answer Find the

asked by lizzie on August 6, 2011
29. ## math 1

6x + 8y=4 8x -3y=19 I did elimination. 82y=-82

asked by Rocky on February 28, 2017
30. ## math pre calc

gaussian elimination x+Y+Z=-2 X-y+5z+22 5x+y+z=-22

asked by JT on April 25, 2013
31. ## Pre-calc

use either substitution or elimination 4/x-3/y=0 4y=3x

asked by Jennifer on March 14, 2012
32. ## math

solving with elimination 7x-4y=13 2x-5y =-4

asked by anatoliy on April 12, 2013
33. ## math

solving with elimination 7x-4y=13 2x-5y =-4

asked by anatoliy on April 12, 2013
34. ## algebr7a

can anyone tell me how to use Gaussian Elimination? 3x+2y+4z=19 x+5y+2z=1

35. ## Math Algebra

asked by Desmond Reid on January 25, 2011
36. ## math

solving with elimination 7x-4y=13 2x-5y =-4

asked by anatoliy on April 12, 2013
37. ## Geometry

Elimination -12x -8y=-20 -3x +9y=-27

asked by Anonymous on April 15, 2014
38. ## Algebra

y =1/4x - 4 : y = -7/4x + 4 I need help with this one...has to be solved by elimination. Thanks

asked by Teighan on December 12, 2018
39. ## Algebra 2

What are the points of discontinuity? Are they all removable? Please show your work. ￼￼￼ y=(x-5) / x^2 - 6x +5

asked by Ciaria on March 31, 2015
40. ## MATH

please explain to me how to get the answer to this problem. must show all work. 4+j< -1 -

asked by taylor on January 7, 2008
41. ## Math

Simplify (7x8)-2x7+7 Need to show work

asked by Alex on October 5, 2009
42. ## Calculus

Use the first principles definition to differentiate y = 5x^2. Please show all your work!

asked by Steph on February 26, 2012
43. ## math

I don't know how to change 1/3 and 2 1/3 into a decimal and still show my work

asked by hannah on December 19, 2012
44. ## math

if X is 10% of two other numbers,Y and Z,and Z is 3 times the value of Y.What percentage is X of Y alone ? please show me how you work it out,thanks

asked by sarah on March 1, 2013
45. ## Prime Factorization

What is the prime factorization of 1,521? Please show work. Thanks!!

asked by Thanks to all Jiskha Teachers on December 6, 2010
46. ## Math

Prime factorization of 12*x2*z2(exponents) Please show work. Thanks!

asked by Thanks to all Jiskha Teachers on December 6, 2010
47. ## pre algebra

show the work for 136.8 divided by 3600

asked by Sara on September 10, 2012
48. ## algebra

find the functions f and g so that f of g =H. H(x)=(6x+9)^4 please show work so i understand this better. thank you

asked by alli on September 2, 2012
49. ## math

Essay: Show all work. Find the quotient: y^4 + 3y -5 / y^2 + 7

asked by Anonymous on August 31, 2011
50. ## 4th grade math fraction

How do I show the work to find the fraction with the greatest value? 7/10, 1/5, 9/10 5/6, 7/12, 7/10

asked by fraction with the greatest value on February 8, 2015
51. ## intermediate algebra

Essay. Show all work. find the quotient: y^4+3y-1 -------- y^2-3

asked by Mike on July 19, 2011
52. ## Algebra 2 help please would appreciate

8x/6y divide 2x/3y simply fraction show work thank you

asked by lisa on November 9, 2013
53. ## MATH Dx

14/35 in simplest form show work too!? Heeeelp Dx

asked by katherine on August 31, 2009
54. ## Algebra

Is the Riemann Hypothesis correct? Why or why not? Please show your work.

asked by Bob on October 13, 2013
55. ## Algebra 1

The perimeter of a triangle is 36. Find the value of x. Show your work. 2x+1 3x-4

asked by Katie on September 29, 2016
56. ## math

what is 789 divided by 19. Show work and not decimal

asked by Grahul on October 25, 2017
57. ## chemistry

convert 1.5ft^3 to liters show work

asked by Anonymous on September 14, 2011
58. ## Algebra 2 variables

Find the values of the variables. [-12 -w^2] = [2k -81] [2f 3] [-4 3] Show your work?

asked by Ana on April 19, 2013
59. ## algebra

let f be the function given by f(x)=x^2-4x Find and simplifiy f(x+h)-f(x-h)/h Please show all work Thank you

60. ## algebra

Essay. Show all work. Find the quotient y^4+3y-1 -------- y^2-3

asked by shay on July 21, 2011
61. ## pre cal\trig

Find the following cot(Arccsc 25/24) show your work

asked by Cheryl on May 26, 2011
62. ## Algebra

Point nine multiplied by one over seven what's the answer and show your work ?

asked by Anonymous on February 5, 2012
63. ## math

If 12V=3W, and v(not equal)=0, then which of the following is equivalent to 2W-8V? A.0 B.4W C.-6W D.2V E.-2V please show work.

asked by Johnny on July 28, 2014
64. ## math

can you show me the work for factoring 42a^2-43a+6 thanks

asked by ferrer on April 16, 2009
65. ## Algebra 2

More About Complex Numbers Multiply (4+3i)(1-i) Please show work i need help

asked by Alicia on November 18, 2014
66. ## Algebra-help

7. | 3x - 2 | = 8 and | x + 1 | = 1 What value of x satisfies both equations above? please show your work. I do notunderstand this. Thank You

asked by Deborah on February 1, 2013
67. ## physics

A boy walks 13 km in 2.0 h. What is his speed in km/h and m/s. Show work.

asked by Lexi on August 25, 2011
68. ## Chemistry

A liquid has a density of 0.98 g/mL, what is the mass of 8.0 mL? And show work.

asked by Trip on September 4, 2012
69. ## algebra

5+4x-7=4x-2-x label contradictions and identities show all work?

asked by missy on March 13, 2012
70. ## math

find the measure of x in the triangle. show all your work. it is a 65 by 65

asked by big red on March 6, 2018
71. ## Algebra 2

More About Complex Numbers Multiply (4+3i)(1-i) Please show work i need help

asked by Alicia on November 18, 2014
72. ## Math

asked by Jeanny on January 28, 2016
73. ## Pre-Calc

Find (f/g)(x) for f(x)=1/x and g(x)=x^3. Show all work and state the domain of (f/g)(x).

asked by Pat on October 5, 2014
74. ## Math

What is 8 3/4 - 5 5/6 =? Shouldn't the denominator be 24 ? What is this answer please show the work.

asked by Kalelha on March 3, 2015
75. ## Math- factoring

Show all work and factor completely. 6a^2+5a-4 (6a^2+8a)-(3a-4) 2a(3a+4)-1(3a+4) (3a+4)(2a+1) Is this correct?

asked by Greg on September 28, 2013
76. ## Math

f(x)=x^2-6x+2 Find the h, the x-coordinate of this parabola. Can you please show work??!!

asked by Angelina on December 8, 2008
77. ## Algebra 2

simplify: -11a - 13b + 7a - 3b .. SHOW WORK !!

asked by Shaka on August 30, 2012
78. ## Algebra

Evaluate¡Ì7x(¡Ìx - 7¡Ì7)Show you work. My answer x¡Ì7 ¨C 49 ¡Ìx

asked by Johnthyn on March 21, 2015
79. ## Algebra 2

asked by Alicia on November 21, 2014
80. ## College Algebra

Determine the x- and y-intercepts (if any) of the given equation. Show your work. y = - 4x + 6

asked by Ashley on January 28, 2010
81. ## algebra 2

asked by Taylor on March 19, 2010
82. ## Pre-Calc

Find (f/g)(x) for f(x) = 1/x and g(x) = x^3. Show work and state the domain of (f/g)(x)

asked by Lily on October 5, 2017
83. ## College Algebra

Determine the x- and y-intercepts of the given equation. Show your work y = x + 4

asked by Ashley on January 28, 2010
84. ## math

Find functions f & g so that fog = H H(x)=(3x+2)^6 Please show work

asked by Heather-need fast on January 9, 2013
85. ## Math

find the gcf and lcm of 10, 60, and 32 and show work

asked by Lynn on March 3, 2011
86. ## math

How would I show my work for this problem Find the value of the following: -3squared + ( (5 (8-6) ) / 2 + 45 ) / 5

asked by Anonymous on May 21, 2015
87. ## math

If I had to convert 15 oz. to kg and it was given that 1 oz = 28.35 g and that 1 g = 1000 kg, how would I show my work to get the answer?

asked by anonymous on February 5, 2013
88. ## math

Perform the calculation mentally, show your work. 3 + 57 + 44 + 36

asked by A on August 19, 2010
89. ## Math

5. Find 4 ratios equivalent to 30% Show work please thank you

asked by Valeria on June 8, 2016
90. ## Algebra

How do I perform the indicated operation and, if possible, simplify. And show all of my work? 7/12 + (-3/5)

asked by Georgiana on November 13, 2015
91. ## Math

asked by Sam on May 2, 2012
92. ## math

156 / 55 - how do i show my work for long division?

asked by melissa on August 30, 2012
93. ## Algebra 2

Solving Quadratic Systems x^2+y^2=10 2x+y=4 Please show work I need to know how to do it

asked by Genesis on November 21, 2014
94. ## ALGEBRA 2 help please would appreciate

3x-8 over 3x subtract 8 over 7y please show all work help needed. I have no idea how to do it

asked by lisa on September 29, 2013
95. ## geometry

B is the midpoint of A and C. If BC=3x2, and AC=54, find the value of x. Show all work

asked by cassie on July 6, 2011
96. ## Math

How do you factor "0 = x^4 - 6x^2 + 5"? Please show all steps. Here's my work, but I just went around in circles..... 0 = x^4 - 6x^2 + 5 -5 = x^4 - 6x^2 -5 = x^2 (x^2 - 6) -5 / x^2 = x^2 - 6 (-5 / x^2) + 6 = x^2 (-5 + 6x^2) / (x^2) = x^2 -5 + 6x^2 = x^2 *

asked by Anonymous on May 22, 2008
97. ## chem

How many moles of calcium are in 13.6 g Cacl2? show work if possible

asked by lisa on March 28, 2012