# 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 50
1. ## Algebra 1B--

Solve the following system of inequalities by graphing. 5x - 4y ≥ -20 3x - 2y ≤ -8 y ≥ -3 I need help, like a website or steps on how to do this. I don't get it, at all.

asked by Carson Joy on March 16, 2012
2. ## Vectors

Solve the following system of equations and give a geometrical interpretation of the result. x + y + z = 6 2x + y − 3z = -5 4x − 5y + z = −3

asked by Anonymous on October 21, 2018
3. ## math

They are planning to sell 75 year anniversary logo football to help raise money. an original full size logo football will sell for \$22 and a miniature logo football will sell for \$6. if they sell all 6000 footballs they ordered they can make \$76000.

asked by Emmauel on December 14, 2014
4. ## Science

Work or no work? Work=ForcexDistance 1. A person holding a box of potatoes. No work 2. A batter holds his bat at his side while waiting for his turn to play. No work 3. Your sister carries home her books from school. No work 4. You push a box from point A

asked by Jerald on February 4, 2014
5. ## Math

Carpet plus installs carpet for \$100 plus \$8 per square yard of carpet. Carpet World charges \$75 for installation and \$10 per square yard of carpet. Find the number of square yards of carpet for which the cost including carpet and installation is the same.

asked by Caitlyne on February 21, 2012
6. ## trigonometry (MathMate)

MathMate i would really appreciate if you can show me where the logarithms can be used.I know they are unnecessary and I already found the answer without them but i still have to show my work using logarithms and they just confuse me. I also have most

asked by anon on February 21, 2011

HELLPPP ME PLEASE I ONLY KNOW THE LAST QUESTION! I need to have more than three steps! Please help! B. A discount of 20% is applied to the doll’s original price of \$12.99. What is the price of the dolls with the discount applied to \$12.99 + 5% tax? Show

asked by Delilah on November 27, 2012
8. ## Chemistry

Label each of the following reactions as exothermic or endothermic ("exo" or "endo"), and according to whether work is done on or by the system, or no work is done at all ("on", "by" or "none")? Note that no "endo-on" cases appear here, as these are always

asked by victor on November 22, 2009
9. ## Chemistry

What formula would you use to solve this problem? I'm stuck. You have prepared a solution by diluting 12.00mL of 0.790M copper(II) nitrate to a total volume of 50.00mL. What is the concentration of Cu2+ ions in the resulting solution? Report your answer to

asked by Micah on May 24, 2017
10. ## algebra

A clerk was asked to change a \$10 bill. She returned 9 more dimes than nickels and twenty-one more quarters than dimes. How many coins of each did she return? Solve using the V.E.S.T. method.

asked by Sally on July 20, 2011
11. ## Math

5e+15p

asked by Jess on February 25, 2012
12. ## Dynamics

The rated speed of the highway curve of 200 ft radius is 30 mph. If the coefficient of friction between the tires and the road is 0.6, what is the maximum speed at which a car can round the curve without skidding? show solution step by step show FBD (if

asked by 20 on July 14, 2018
13. ## math

f(x) = -16x2 + 24x + 16 Part A: What are the x-intercepts of the graph of f(x)? Show your work. (2 points) Part B: Is the vertex of the graph of f(x) going to be a maximum or minimum? What are the coordinates of the vertex? Justify your answers and show

asked by Ezikiel on April 12, 2016
14. ## Math

Tell whether the system has one solution infinitely many solutions or no solution. 6y=-5x+24 2.5x+3y=12 a. one solution b. infinitely many solutions c. no solution

asked by Kaai97 on January 8, 2016
15. ## Math

Tell whether the system has one solution infinitely many solutions or no solution. 1.5x+2y=11 3x+6y=22 a. one solution b. infinitely many solutions c. no solution

asked by Kaai97 on January 8, 2016
16. ## Math

Tell whether the system has one solution infinitely many solutions or no solution. 1.5x+2y=11 3x+6y=22 a. one solution b. infinitely many solutions c. no solution

asked by Kaai97 on January 11, 2016
17. ## Math

Tell whether the system has one solution infinitely many solutions or no solution. x=-7y+34 x+7y=32 a. one solution b. infinitely many solutions c. no solution

asked by Kaai97 on January 8, 2016
18. ## Math

Tell whether the system has one solution infinitely many solutions or no solution. 6y=-5x+24 2.5x+3y=12 a. one solution b. infinitely many solutions*** c. no solution

asked by Kaai97 on January 11, 2016
19. ## math

Tell whether the system has one solution, infinitely many solutions, or no solution. 6y=-5x+24 2.5x+3y=12 A. One solution B. Infinitely many solutions C. No solution

asked by venus on January 3, 2019
20. ## Math

Tell whether the system has one solution infinitely many solutions or no solution.. 1.5x+2y=11 3x+6y=22 a. one solution b. infinitely many solutions c. no solution

asked by Kaai97 on January 11, 2016
21. ## Math

Tell whether the system has one solution infinitely many solutions or no solution. x=-7y+34 x+7y=32 a. one solution b. infinitely many solutions c. no solution

asked by Kaai97 on January 11, 2016
22. ## Math

Tell whether the system has one solution infinitely many solutions or no solution. 1.5x+2y=11 3x+6y=22 a. one solution b. infinitely many solutions c. no solution.

asked by Kaai97 on January 11, 2016
23. ## Chem

Calculate the value of work, w, for the following system if 26.7 g of NaN3 reacts completely at 1.00 atm and 22 °C.

asked by Morgan on October 28, 2016
24. ## Writing

BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted me to office manager. I manage two employees: Jack Snyder and Ruth Disselkoen. My office provides

asked by VeryFrustrated on May 7, 2009
25. ## psychology

Cannon-Bard view emotion as more than a response to physiological arousal. They suggest that... 1) the hippocampus and the spinal nerve produce emotion 2) both the cortex and the autonomic nervous system respond to the stimulus 3) emotion is the work of

asked by vedrana on October 9, 2011
26. ## math

2 boys and 5 girls can finish a piece of work in 4 days. 4 boys and 4 girls can finish the same work in 3 days. If a girl is paid rs 750 each day, what may be the expenditure to complete the work? Tomorrow is my test and I don't know how to solve this

asked by A GOODSTUDENT on September 1, 2016
27. ## Math

System Of Elimination: Greg invested \$11,000 in two accounts. The first account pays 5% interest per year. The second account pays 8% interest per year. Greg earned a total of \$752.50 in interest at the end of the first year. How much did Greg invest in

asked by edgard on February 1, 2017
28. ## Finance

I am borrowing \$ 10,000 for 5 years at 7% . Payments are made on a monthly basis and are determined using the add- on method. 1: How much total interest will I pay on the loan if I held it for the full 5 year term ? 2 : What would my monthly payments be

asked by Joyce on May 31, 2014
29. ## finance

I am borrowing \$10,000 for 5 years at 9%. payments, which are made on a monthly basis, are determined using the add-on method. 1. how much total interest will i have to pay on the loan if it is held for the full 5 year term. 2. what are my monthly

asked by denise on November 25, 2013
30. ## Chemistry 114

Write the balanced ionic equations for the following precipitations and complex forming reactions: a) AgNO3 solution + copper sulphate solution b) copper sulphate solution + lead nitrate solution c)CoCl2 solution + conc. HCl d) Zinc chloride solution +

asked by Chenny on April 12, 2010
31. ## Chemistry

A solution contains 0.0653g of compound in 8.31g of ethanol. The molarity of the solution is 0.0368m. Calculate the molecular weight of the compound For Further Reading Chemisty - drbob222, Thursday, February 7, 2008 at 9:40pm The molarity of the solution

asked by Lauren on February 9, 2008
32. ## math

can some one solve this Ex 1: -2x+7>22 -2x+7-7>22-7 -2x>15 -2x/(-2)22 16+7>22 23>22 It does make the inequality true so it looks as if I have solved correctly. So my solution is {x|x

asked by Anonymous on September 22, 2010
33. ## Math

Show me how to solve (-3.18)(-1)

asked by Anonymous on September 20, 2012
34. ## Algebra

Show me how to solve -5-(-6)=

asked by Del on September 22, 2014
35. ## polynomial

can show me how to solve this one?x2 + 4x - 21 = 0 (x+7)(x-3)

asked by mike on May 15, 2007
36. ## math

can you show me how to solve this? 4a - 7 = 4(a-2) +1

asked by Tracy on May 19, 2008

Can someone please show me how to solve this 3-d/2 use d=6

asked by Asheli on February 25, 2017
38. ## algebra

can someone help me to show how to solve -x+y=3

asked by Anonymous on March 4, 2011
39. ## Math

asked by Mike on February 11, 2012
40. ## Math

asked by Sue on February 11, 2012
41. ## math

-3x-2(5x-7)=-12 I need to solve for x, please help!! and show me how you did it if possible!

asked by Elissa on May 28, 2009
42. ## Algebra 1

SOLVE FOR y. x+5y=15 can you please show me how do this

asked by CANDY on September 25, 2007
43. ## algebra

can you show how to solve for x x+1/x + 6/2x-3 =0

asked by walter on November 1, 2007
44. ## Math

Show me how to solve 3(+4x -1)

asked by bianca on February 14, 2011
45. ## Math

Please show me how to solve for: -x+2y=6

asked by Victoria on September 4, 2014
46. ## Algebra

Can anyone please show me how to solve (5ã7-10ã2)(4ã7+8ã2)

asked by Jim on May 29, 2010
47. ## College algebra

Show me how to solve x^4-1=0?

asked by Lee on January 19, 2016
48. ## College Algebra

Can anyone please show me how to solve (5¡Ì7 ¨C 10¡Ì2)(4¡Ì7 + 8¡Ì2)

asked by Amber on May 29, 2010
49. ## Algebra

The area of a rectangular piece of land is 280 square meters. If the length of the land was 5 meters less and the width was 1 meter more, the shape of the land would be a square. Part A: Write an equation to find the width (x) of the land. Show the steps

asked by Anonymous on May 9, 2014
50. ## math

Explain how to solve: A chemist has one solution containing 30% insecticide and another solution containing 50% insecticide. How much of each solution should the chemist mix to get 200 L of a 42% insecticide?

asked by Jane on December 30, 2011
51. ## Java programming

Need help here how to do this program write the definition of a method that takes as input three numbers and returns the sum of the first two numbers multiplied by the third number (Assume that the three numbers are of type double.) can anyone help me show

asked by Poohboi on August 16, 2016
52. ## Chemistry

Use the method of half reactions to balance the oxidation half reaction in acid solution as well as provide the oxidized and reduced reactants. Cr2O7 {2-} (aq) + F{-} (aq) = Cr {3+} (aq) + F2(aq) Charges are in { }

asked by Kevin on March 15, 2016
53. ## chemistry

the molar heat capacity of water at 25 degrees celsius is 75.29JK/mol. an exothermic reaction with -5.00kJ proceeded to completion in a 200mL dilute aqueous solution,initially at 16.0 degrees celsius. what is the final temperature of the solution ? clearly

asked by ayanda on April 11, 2012
54. ## Calculus

Use Euler's method with step size 0.2 to estimate y(1.4), where y(x) is the solution of the initial-value problem below. Give your answer correct to 4 decimal places. y' = x - xy y(1) = 0 h = 0.2 Since I am at y(1) = 0 and not y(0) = 0 would I just do this

asked by COFFEE on June 22, 2007
55. ## chem 1A

Balance the following oxidation-reduction reactions, which occur in acidic solution, using the half-reaction method. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.) (a) Cu(s) + NO3‾(aq) →

asked by Anonymous on November 4, 2012
56. ## Math Algebra 1

For most people, buying a house is a great investment that can offer security in an uncertain world, but buying a house is also a commitment. Application Practice Answer the following questions. Use Equation Editor to write mathematical expressions and

asked by Antonio on August 15, 2008
57. ## Math

Can you help me solve this problem...? A teacher said to a pupil: To the nearest per cent, 1/6 is 17% The pupil said: So, to the nearest per cent, 2/6 must be 34% Show that the pupil is wrong. *How do you work it out? it is 33% because: the percentage

asked by Claire on January 18, 2007
58. ## Criminal Law

Summarize all of the steps between arrest, pre-trial, trial, and appeals (both state and federal appeal possibilities). Explain the contingencies for each stage of the proceedings and address all possible outcomes. Analyze how constitutional protections

asked by Anonymous on February 1, 2015
59. ## Chemistry

As a system increases in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The piston is working against a pressure of 0.500 atm. The final volume of the system is 58.0 L. What was the initial volume of the system if the

asked by Sam on October 13, 2011
60. ## College Chemistry

As a system increases in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The piston is working against a pressure of 0.500 atm. The final volume of the system is 58.0 L. What was the initial volume of the system if the

asked by Amanda on October 31, 2011
61. ## calculus

1. Find the area of the region bounded by f(x)=x^2 +6x+9 and g(x)=5(x+3). Show the integral used, the limits of integration and how to evaluate the integral. 2. Find the area of the region bounded by x=y^2+6, x=0 , y=-6, and y=7. Show all work required in

asked by katarina on May 15, 2012
62. ## math

1/4+2/3+4/24 need to show all work

asked by shawnee on December 17, 2012
63. ## algebra

asked by jaimecarlon on April 30, 2015
64. ## math

5x+6x-2=10 show the work

asked by jack on November 15, 2007
65. ## math

Please show work 6 1/6 ÷ 2 3/10

asked by Anonymous on February 2, 2016
66. ## Math

what is 3(x)-6(x) show work please

asked by max on November 1, 2010

8(2x-3)- 6x Show work

asked by just a girl on September 16, 2009
68. ## ALGEBRA 1

asked by TANISHA on September 17, 2009
69. ## Math

What is 13 3/5 - 6 1/4 =? Show me the work please.

asked by Kalelha on March 3, 2015
70. ## algebra

-9y-12(2-3y)=-25-2(y+6 show work.

71. ## math

1+1/5-3/10= show work

asked by sherm on February 24, 2014
72. ## math..solve for u again.

asked by jasmin on October 13, 2012
73. ## math

asked by Ann on November 15, 2007
74. ## algebra

-4x - 5/3 = 43/3 please show work

asked by steve on September 27, 2008
75. ## math

-x/5=i/8 please show me how to work this

asked by barb on August 8, 2010
76. ## Math

What is 23 - 4/6 =? Please show all the work.

asked by Kalelha on March 10, 2015
77. ## Algebra 1

-31=8-6p-7p Can you show work

asked by Jynessa on October 1, 2013
78. ## 8th grade - math

3 = y/-4 Does y = 12? Show the work

asked by Tyler on January 26, 2009
79. ## Algebra 1

6.4+2.1(z-2)=8.5 Can you show the work

asked by Jynessa on October 1, 2013
80. ## math

4×-7=-19 how to show all work

asked by rashawn on November 1, 2011
81. ## math

-5(5+4×)=-5 show all work

asked by rashawn on November 1, 2011
82. ## Algebra 1

asked by NEED HELP NOW!! on February 22, 2013
83. ## math

I know 7/9 - x = 1/36 is 3/4 but how do I show the work

asked by dorothy on January 12, 2011
84. ## MATH

asked by lakshmi on September 19, 2015
85. ## Math

if Y= a+bX with a= 12 and b= .4 what is the value of Y when: Show your work a)x= 0 y= b)x= 5 y= c)x= 10 y= d)x= -20 y=

asked by ios7 on September 19, 2013
86. ## math

2+4×3×=42 show all work

asked by rashawn on November 1, 2011
87. ## Intermediate Algebra

(1/2)^3(2/3)^4/5/6^3 Show work

asked by sherry on April 2, 2012
88. ## math

show work 3x-5(3x-7)= 2(x+9)+45

asked by shanae on November 6, 2007
89. ## math

if Y= a+bX with a= 12 and b= .4 what is the value of Y when: Show your work a)x= 0 y= b)x= 5 y= c)x= 10 y= d)x= -20 y=

asked by ios7 on September 18, 2013
90. ## Math (need help with working)

Show that gh(-2)= 14 g(x) 2x+1/x-1 and h(x) 4x+3/x-2 Is it 2(4x+3/x-2)/x-1 and i work from there?

asked by Brit on September 15, 2009
91. ## Math

5 3/4 + 6 2/4 = I need to show my work

asked by Judy on February 12, 2013
92. ## Algebra 1

-3/5m=-45 please show work thank you

asked by Alex on January 6, 2009
93. ## Math

2/9 + 2/3= Please show the work

asked by LS on March 11, 2015
94. ## math

please show work 19 and 6/7 +12 and 2/3

asked by zavier on August 21, 2011
95. ## math

12-4.8= show work

asked by lexie on September 5, 2008
96. ## math

30% of 80 show work

asked by sunday on January 24, 2012
97. ## Math

Please show work. 9 1/10 + 7 2/5

asked by John on October 8, 2011
98. ## Algebra

asked by Cris on October 19, 2011
99. ## algebra

How would I show my work for: 3-2(3)+2(4)+1

asked by Brittany on April 28, 2012