# 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 55
1. ## MATHS

a parabola passes through the points (1,1) , (2,0) and (3,1) the equation of the parabola is y=ax^2 + bx + c a) write down a system of equations representing this parabola. b) solve the corresponding system and hence write down the equation of the parabola

asked by MOHAMMED on September 28, 2010
2. ## Chemistry

Make 50.0 mL of a 0.500 M solution of acetic acid (CH3COOH) from the 1.00 M CH3COOH using a 50.0 mL graduated cylinder. 1. Show your calculations and explain how you made the acetic acid solution.

asked by Kate on February 25, 2015

REVISED, let me know what you think :) For the past three months there seems to be an ever-growing problem at our company of DMD Medical Supplies. The quality of work has been poor, the morale of various employees’ has been brought down and the workflow

asked by Shawna on February 2, 2012
4. ## chemistry

Hey...how r u guys..thanks for helping me on my previous questions...can u help me solve two questions and check one? Thanks, all the questions are related to the info given: In some industrial processes, sodium chromate is added to water coolants. When

asked by David on June 18, 2006
5. ## algerba 2

x=4y-1 solve the equation for y show steps

asked by jay on October 17, 2011
6. ## Math

Can anyone show me how to solve this? .1g+3.75m=7.36 and 8.2g+21m=73 Thank you

asked by Steve on November 13, 2014
7. ## college

asked by Momsbubs on January 14, 2009
8. ## Algebra 1- Math

Can anyone please show me and explain how to solve 9x+2=3y? Thanks,Bye.

asked by Tony on February 5, 2013
9. ## Algebra

Solve the equations. Show all steps. n+6.3=16.3 d-(-20)=2.5 5d=17.1 m/-4=-2.95

asked by Peach on May 23, 2015
10. ## Microeconomics

Could someone please show me how to solve for P and qs in the below problem. P= 50 + 6qs

asked by Binnie on October 25, 2007
11. ## Math

show that graphs of (x-2x)/(x+2y)=1/3 and (x-y)/(x+y)=3/5 coincide...how do you solve it?

asked by Wenny on January 25, 2008
12. ## Math

show that graphs of x-2x/x+2y=1/3 and x-y/x+y=3/5 coincide...how do you solve it?

asked by Wenny on January 24, 2008
13. ## Algebra

Solve the following equation. Show all steps. x/x-2+x-1/x+1=-1

asked by Anonymous on June 5, 2017
14. ## Math- Algebra II

SOLVE.. Please show the steps so I'll understand it 8^x-2=(1/16)

asked by Lala on March 9, 2011
15. ## Algebra 1

Can you show the steps and explain how to solve 8-(x-2)

asked by Dillon on April 4, 2011
16. ## Algebra 2

solve the equation : 5x-2(3-x)=-(4-x) show how you got the answer!!!

asked by Shaka on September 7, 2012
17. ## algebra2

x+1/2y=5 solve the equation for y show steps

asked by jay on October 17, 2011
18. ## Algbra

How do you solve this problem? 3/5k - (k + 1/3) = 1/15 (k + 3) Please show me the steps. Thanks.

asked by Zach on January 16, 2011
19. ## Math

asked by Naomi on May 5, 2017
20. ## algebra

solve the equation for x. 3x^2-2x-4=0. can you please show the steps?

asked by pam on December 11, 2009
21. ## algebra

asked by sally on May 4, 2013
22. ## math

having a spacey moment...can anyone show me how to solve for Er? Er-1/Er+2 = X

asked by pat on February 27, 2015
23. ## Math

Solve for w G=4x+1/2w+3/4 Can you show me the steps pls?

asked by Johnny mior on August 21, 2014
24. ## math

1/2a-5=1/3a-1 please show me how to set this problem up and solve it

asked by katrina on July 19, 2010
25. ## Pre-Algrebra

Solve the equation. 78=-2(m+3)+m -1/3m-7=5 1/4y+9=1/2 x-9=-6x+5 x+9=5(4x-2) Can you please show me how you got your answer.

asked by Samantha on February 4, 2012
26. ## Function

How would i solve x^3-3x^2+2=0? How would i show it in exact values?

asked by Rachel on July 22, 2008
27. ## algebra

whats 7 divided by 52.50 show me how to solve it

asked by jenice on February 28, 2011
28. ## algebra

Solve the following equation. can you show the steps so I know how to do them? x over x+3 + 2 over 5 = 0

asked by tracy on October 25, 2011
29. ## programming

Can you help me show the right program to solve for my homework using C++

asked by Ryan on October 12, 2009
30. ## statistics

Scores: 5,2,4,2 ΣX-2 Σ(X-2) Σ(X-2)^2 can you show me a better idea how to solve this thanks

asked by bob on February 11, 2016

Posted by keri on Wednesday, November 13, 2013 at 1:08am. Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the

asked by keri on November 13, 2013
32. ## Chem

Can you show me step by step how to do the following problems? How many grams of KI are in 25.0 mL of a 3.0 % (m/v) KI solution? How many milliliters of a 2.5 M MgCl2 solution contain 17.5 g MgCl2?

asked by Kariann on March 29, 2011
33. ## Chemistry

Can you show me the process that you need to take to balance this basic redox reaction using the ion electron method? Tl2O3(solid) + NH2OH(liquid) --> TlOH(solid) + N2(gas) + H2O(liquid)

asked by Kim on September 12, 2011
34. ## Math

Claudia weighed her puppy each moth. Explain which data display you would use to show the puppy's growth and why you think this is the best method of displaying the data. A line graph because it shows change over time

asked by Anonymous on March 11, 2014
35. ## maximum and minimum problems when function unknown

Hi, can anyone please help me with this problem, i have no idea what to do! The question is: a window frame is in the shape of a semicircle joined to a rectangle. Find the macimum area of a window using 300 cm of framework. i can usually solve these sorts

asked by elle on May 21, 2007
36. ## Genera Chemistry

A certain gas expands in volume from 1.75 L to 8.32 L at constant temperature. Calculate the work done (in Joules) by the gas if it expands against a constant pressure of 3.8 atm. Please explain and show the work and correct answers.

asked by NeeNee on June 15, 2010
37. ## Math

Elimination X+2y=5 -3x+6y=15

asked by Taylor on February 17, 2014
38. ## math (eliminations)

5x=-3y-9 2x-5y=-16 elimination

asked by taylor on January 30, 2014
39. ## math mrs sue

Elimination X+2y=5 -3x+6y=15

asked by Taylor on February 16, 2014
40. ## Math

Elimination 4x-7y=23 3y=-6x+33

asked by Taylor on February 16, 2014
41. ## CHEM

Mass percent is one way to represent solution concentrations, though not the only one. A common measure of solution concentration is Molarity; moles of solute per liter of solution. Calculate the molarity of vinegar in each sample that you titrated and

asked by Linda on March 18, 2015
42. ## Analytical CHM

Calculate the theoretical amounts of 0.1000 M NaOH titrant used to titrate 0.8 and 0.9 g KHP Please show step by step solution , i need the correct significant figures and units to finish up the rest of the lab correctly i found the answer but for some

asked by Jessy on September 15, 2014
43. ## Computer Science

Create a class called Shapes that has a private int field named radius and the proper get- and set- methods (according to our Java coding standards). Create a constructor that takes an integer as a parameter to initialize the radius. Create a void method

asked by Justin on January 28, 2016
44. ## Math

How do you: Find the shortest distance, to two decimal places from the origin to the line x - 2y = - 8 without using the formula. Finding the shortest distance, to two decimal places, from the point P ( 7,5) to the line 2x+3y = 18? Thanks The square of the

asked by Jack on May 11, 2007
45. ## Intermediate Algebra

Show all work. Find the quotient:6x^3-x^2-7x-9/2x+3

asked by Ciara on April 2, 2012
46. ## Algebra

Factor 12x^2(x-1)-4x(x-1)-5(x-1) and show work.

asked by Diana on February 19, 2012
47. ## Pre algebra

Can someone show me the steps to work this problem? X/4+1=-5

asked by Christy on December 1, 2017
48. ## Mrs. Sue I need u

-3/5m= -45 if you can't see the m its next to the fraction sign thank you and could you please show your work

asked by Kiwi on January 6, 2009
49. ## math

9/10 +2/3= need to show all work to lowest terms

asked by shawnee on January 6, 2013
50. ## essential mathematics 1

simplify & show work 3/4 + 5/8 _________ = 3/4 - 1/2 Need help with this one

asked by Anonymous on February 4, 2010
51. ## Calculus

Given f(x) = csc^4(5x^2-3x+1), find f'(x). Show all work.

asked by Bob on June 23, 2014

asked by Rick on March 5, 2009
53. ## algebra 1

simplify and show work 3+4-10 dived by 2

asked by alex on May 15, 2012
54. ## math

please show me how to work this problem 76 x45

asked by lisa on October 9, 2008
55. ## math

asked by t on October 25, 2012
56. ## math

simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2

asked by Janae on September 27, 2011
57. ## Math

Order from greastest to least -1 13/14 , -1.9 , -1 9/11, -1.95 show work

asked by Beth on March 26, 2014
58. ## question mistake

it's supposed to have the 2 under the b-6 can you show your work please thank you sorry for the mistake

asked by Andy B. on January 6, 2009
59. ## Precal

Given f(x) and g(x) below, find: (a) f + g (b) f – g (c) f*g (d) f/g Please show all of your work. f(x) = x + 5 g(x) = 5x^2+15x-3

asked by Dina on January 4, 2012
60. ## math

Define variable. Show work 3/8 = 7/x+1

asked by Arica on February 20, 2014
61. ## Algebra 1

23=2x+(x+3)+x I know the answer is 5 but I don't know how to show the work.

asked by Katie on October 1, 2013
62. ## MATH HELP!!!!!!

asked by princesskitty on March 7, 2018
63. ## chem

calculate the PH of [OH-] = 4.5×10−3 M Please show how you work this problem.

asked by john on January 18, 2012
64. ## Algerbra

asked by dave on November 7, 2010
65. ## algebra

asked by Cheryl on October 19, 2011
66. ## math

For x>0, what value of x gives the least sum of x and its reciprocal? Show work.

asked by Anonymous on October 25, 2009
67. ## HELP!!!!!Piecewise function

State the values for f(0) and f(-2) show all your work f(x){(2x-1 if x>1 ,-4 if -1¡Üx

asked by JENNIFER on January 4, 2012
68. ## Algebra 1

How do I simplify 5(-c+3a)-c(2c+1)? Show the work not just the answer so I actually get how to do it please.

asked by Lauren on January 2, 2011
69. ## Algebra

show all work for counterexample.for all integers a, b, and c----if a=b, then a/c=b/c

asked by Nicole on June 3, 2009
70. ## algebra

how do I order the following from least to greatset and show all work -7/8,-5/6,6,8,-5

asked by babygirl on August 29, 2011
71. ## Algebra

Compute the following: Let g(x)=3x, and h(x)=x^2+1. h(3) Please show work & help me understand.

asked by Charlie on February 14, 2019
72. ## Math

asked by Jazz on January 18, 2012
73. ## math

what is (-x-3)+(4x-7)simplified? please show the work, thenk you.

asked by t on October 25, 2012
74. ## algebra

can some one help me with 2 problems thanks. y=1/2x+1,y=-3x+8, and y=1/2x+2, y=-x+5. show the work maybe i can figure it out some how.

asked by dillon on January 23, 2008
75. ## math

I still need to show my work for the days and years please help me. Thank you.

asked by Anonymous on August 7, 2012
76. ## pre-cal

find the intercepts. y=2x-2 show work

asked by anonymous on December 9, 2012
77. ## Geomerty

If UV = X+6 and UY = x - 1 Find YV. Y is the midpoint of U and V. Please show work.

asked by Felicia on September 16, 2010
78. ## Calculus

Find the derivative of f(x) = x^3 Show all the work please and thank you!

asked by Steph on February 26, 2012
79. ## Math

Evaluate: 5^2 + 6•2^2+(4^2+3^2)^0.5 PLz show work

asked by BLT on October 18, 2017
80. ## college algebra

Please show me how to work this e^.05t =1600

asked by Betty on January 31, 2012
81. ## Math

State the Domain and show work. y = x + 2 / x^2 - 4x - 12

asked by Jack on September 16, 2010
82. ## math

what is 216.3 divided by 10.5? please show the work

asked by pamela on September 21, 2011
83. ## math

simplify this expression and please show work. 2(3x+y)+5(x+2y)

asked by Estefania on September 14, 2008
84. ## Math

asked by Sam on May 2, 2012
85. ## algebra

factor completely. please show work. a^2-a-6

asked by Pam on December 11, 2009
86. ## algebra

simplify the expression show your work 3x(4x^4-5x)

asked by andy on November 22, 2014
87. ## math

simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2

asked by Janae on September 27, 2011
88. ## math

what is 25.5 divuded by 1,000 can you show the work

asked by armani on October 28, 2009
89. ## Math

Write 2 24/12 as a whole number. Show work.

asked by Jennifer on November 5, 2012
90. ## math

asked by t on October 25, 2012
91. ## pre algebra

how do you show your work on the problem 20u+ -6(u+5)

asked by kim on October 19, 2011
92. ## math

Can you please show me the steps to work this problem? 2(4+6)+4(2-3)=

asked by christy on November 1, 2011
93. ## ALGEBRA

9/16-(-3/16) subtract show all of your work. simplify

asked by Angela on November 10, 2011
94. ## ALGEBRA

FACTOR 2 -2X -3X-1 The two above is the second power. Please show work

asked by Barney on December 18, 2007
95. ## MULTIPLY. WRITE EACH PRODUCT IN SCIENTIFIC NOTATIO

24.) (3 * 10^6)(2 * 10^12) 26.) (6 * 10^9) (5 * 10^4) Can you please show your work so I can get a better understanding of these problems?

asked by InDireNeedOfHelp on June 6, 2014
96. ## Math

What is 6.4 divided by 8 equal and can you show work please.

asked by Tash on September 4, 2016
97. ## Math

Can someone please simplify this i am lost. X(x+1)+(x+1)(x+2) show your work

asked by Tshepiso mphehlo on March 9, 2011
98. ## Math

What is 8 3/4 - 5 5/6 = Is 24 the Denominator for this problem? Show all the work.

asked by Kalelha on March 3, 2015
99. ## Math

What is 563 divided by 4 show you work

asked by James on March 25, 2010
100. ## math

what is 10.5 divided by 1,000 and can u show the work

asked by armani on October 28, 2009