# 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

91,330 questions, page 322
1. ## gcu

Show that 9300 cal is required to change 15 g of 20° C water to 100° C steam.

asked by denise on September 14, 2014
2. ## Algebra

A. Tell whether x and y show direct variation. Explain your reasoning. 1. x = y - 2 / 9 2. 5x - 3y = 0 My answer: Yes because 5 and 3 pass through the origin (0).

asked by Faye on May 19, 2015
3. ## Math

Helping 3rd grade granddaughter and I am lost What property does this show? ****=* * * * This is all that is shown

asked by Karen on February 9, 2015
4. ## Math

On five science tests, Jameel scored 90, 92, 88, 98, 92. What is his average score? show how you got your answer.

asked by Anonymous on February 19, 2014
5. ## calculus

writing an exponential equation The function gives the value of a home in dollars in the year 1980 + t. Write an equation that can be used to determine the year in which the value of the home reached \$100,000? Use ^ to denote an exponent. Do not solve the

asked by Joshua on September 5, 2006
6. ## chemistry

I am unsure about balancing equation I would like for someone to let me know if I am working this out correctly? I have to write a balanced equation for the reaction when solid magnesium is added to a solution of lead(ii)nitrate, solid lead forms and the

asked by jazz on April 14, 2014
7. ## psychology

I chose the answer that I believe to be correct. I need help from an expert to indicate if the answers that I chose are right or wrong answers and indicate the correct letter or answer needed. Question 1 1. Dr. Jones encountered a problem with a new client

asked by Sharon on October 15, 2014
8. ## Accounting

Hanover Corp. obtained the following information from its absorption costing accounting records: Operating Income = \$24,000 Total Product Costs Incurred During The Period = \$16,000 Value of Beginning Work-In-Process and Finished Goods Inventories = \$0

asked by Serenity on November 3, 2014
9. ## Science

1) You have been collecting data to determine the average monthly temperature for a particular year. You have 30 samples recorded in degrees Celsius each month. You want to show temperature trends over the entire year. What would be the BEST way to

asked by Love WINS on April 28, 2019
10. ## math

Vanessa typically works 8 hours per day in a normal 5 day work week. Last week, however, Vanessa had to take 90 minutes off on Tuesday, 45 minutes off on Thursday, and she left two and a half hours early on Friday. How many hours did Vanessa work last

asked by p on November 24, 2013
11. ## Functions

f(x) = 1/(1−x) is given. From this we produce two new functions: g(x) = f(f(x)) and h(x) = f(g(x)). (a) For which values of x is f(x) undeﬁned? (b) Find a formula for g(x), and simplify it. (c) For which values of x is g(x) undeﬁned? (d) Find a

asked by Mr Homie on May 4, 2016
12. ## memo or letter

informative message that tells one of your colleagues at work or one of your friends how to enroll at school. which woul dbe the best way to send it I am thinking a memo am I wrong yep I think that is correct! yep I think that is correct! What is wrong

asked by april on August 3, 2006
13. ## English

1) 2025 is it only two thousand and twenty-five or could you also say twenty twenty-five? 2) in 2000 (is in two thousand/in the year two thousand) 3) How many films did he appear in? Or In how many films did he appear? 4) Which part did film director..

asked by Franco on January 4, 2010
14. ## English

Help with Analogies and suggest me other ways to write them please. Thanks 1)Smart people keep quiet about what they know, but stupid people advertise their ignorance.Changed into:Good drivers are hindered to show their driving skills, while reckless

asked by Angelina on October 5, 2010
15. ## English

Need help with Analogies and suggest me other ways to write them please. Thank you for the help. 1)Smart people keep quiet about what they know, but stupid people advertise their ignorance.Changed into:Good drivers are hindered to show their driving

asked by Angelina on October 4, 2010
16. ## java/programming

Write a class called PocketChange that models a handful of change you might find in your pocket. The class has the following specifications: • Instance Variables - all instance variables are private! - int toonies - the number of toonies in the user's

asked by Anonymous on December 6, 2018
17. ## Math

Hi Ms. Sue can you let me know if my answers are right? Anyone who can help check my answers will be greatly appreciated! Thank you! My answers are the ones with the *** after them. 1. –9x – 5 = –95 a. 17 b. 11 *** c. 10 d. –10 2. w over four – 4

asked by BlueSkies on January 18, 2015
18. ## chemistry

Balance the following reactions using the non-traditional method of balancing redox Nickel(II) hydroxide + oxygen = Nickel(III) hydroxide Copper(I) hydroxide + oxygen = Copper(II) hydroxide

asked by Nicole on May 8, 2015
19. ## Physics

I have been working on this problem all day and i just cant get the answer. Please help I would really appretiate it. The position of a 230 g object is given (in meters) by x = 4.9t^3 - 8.0t^2 - 44t, where t is in seconds. 1. Determine the net rate of work

asked by Mandy on April 1, 2011
20. ## QSO 510

Problem 1 Adele Weiss manages the campus flower shop. Flowers must be ordered three days in advance from her supplier in Mexico. Advance sales are so small that Weiss has no way to estimate the demand for the red roses. She buys roses for \$15 per dozen and

asked by Anonymous on March 12, 2013

Hello, I don't know how about to answering this question: work out the problem of a ball of mass m that falls a distance h from rest. It hits the floor and rebounds to its starting height. (a) What total time ie required for the motion? (Neglect the time

asked by amber on October 31, 2006
22. ## Algebra II

Our current assignment is to find the LCM, Least Common Multiple of two polynomials. I think I'm doing it right but I'm not quite sure. For the first question: 2t^2+t-3, 2t^2+5t+3 I have 2t^2+t+3 as the LCM. Is this correct or can somebody step me through

asked by Dave on February 15, 2007
23. ## Algebra2

Does |x^2-3x+3|=3 have a solution?

asked by Unknown. on August 17, 2012
24. ## math

-8y+3(g+h) - -5y-4(g+h) With solution please. Thank you!

25. ## Algebra

x^t+2 / x^t Would the solution be x^2?

asked by on December 16, 2009
26. ## algerbra

-2/5x=8/35 What does the solution x =

asked by renee on April 7, 2010
27. ## chemistry

If the pH of a particular solution is 2.08, then the [OH -] must be:

asked by Anonymous on December 5, 2011
28. ## Math

What is the solution of −23 a + 4 > –8?

asked by Linda on March 7, 2016
29. ## Algebra

Which of following is a solution to x^3=8 24, 5, 2.73 or 2?

asked by Anonymous on April 28, 2014
30. ## algebra

7/2x+1/2x=3x+5/7+7/2x the solution is x = ?

asked by Sumayyah on December 18, 2008
31. ## science

what is one example of a solution?

asked by marcus on August 20, 2008
32. ## algebra

what is the solution to 8/9(b-72)

asked by C on April 14, 2008
33. ## algebra

y -3 >-20 The solution is {y|y> ? }

asked by Need help on September 12, 2009
34. ## algebra

is -3.5 a solution ? x >_ 6

asked by Anonymous on October 7, 2009
35. ## Math

What is the solution to m+(-13)=-18 A.M=28 B.M=5 C.M=-5 D.M=-28

asked by Caylee on September 21, 2015
36. ## algebra

The solution to this i believe is no solution need help. -2x+2>-2x-3

asked by Richard on February 19, 2012
37. ## chemistry

What is the pH of a solution if [H+] = 2.3 x 10–5 M?

asked by Anonymous on May 4, 2014
38. ## algebra

8x-(3x=17)=13 solution for x

asked by Anonymous on July 22, 2009
39. ## algebra

-2 x 7 = -3 + t + 24 solution?

asked by lauren on April 27, 2009
40. ## Algebra

[2x-12]/[3x-6] * [x^2-4]/[x^2-36] * [3x+18]/[4x+8] Would the solution be (x-4) over 2(x-2)(x+2)?

asked by Anonymous on September 24, 2009

what is the solution to m+(-10)=-33 a.m=-33 b.m=-23** c.m=23 d.m=33

asked by mynamejeff on October 26, 2017
42. ## math

2x=0 is that no solution or what can i further do?

asked by ann on May 5, 2008
43. ## Math

The solution of d+s>−3 is d>−7. What is the value of s?

44. ## math

What is solution 5q =-75? I think it is -15

asked by Lost on September 1, 2015
45. ## AP Chemistry

The pH of a solution of Sr(OH)2 is 12.42. What is its (OH^-)

asked by Lizzy on January 9, 2013
46. ## Math

What is the solution to x + 4 = 12?

asked by Oh dang on September 6, 2018
47. ## Algebra 2

Is the solution to 0 ≤ |4u - 7| u ≥ 7/4?

asked by Anna on September 18, 2010
48. ## Math help

-7x+2y=13 -14+4y=26 Is this no solution? (0,0)

asked by Anonymous on January 27, 2014
49. ## precalcus will someone check my homework

f(3)=-3/8 and (f-2)=-12 MY SOLUTION F(-2)=ab^-2 = -12 F( 3)=ab^ 3 = -3/8 b^5 = 12 * 3/8 = 32 b=2 12 = a(2)^2 12 = 4a a =3 f(x)=3(2)^x

asked by luckybee on March 3, 2012
50. ## math problem

is (-4, 7) a solution of 6x -5y = -2

asked by Lavern on January 20, 2012

what is the solution to 3x^2+3x-5=0

asked by the world forgot on November 2, 2017
52. ## algebra

is (-4,7) a solution of 9x-7y=9

asked by joann on January 8, 2011
53. ## pre-algebra

is (-1, 5) a solution to 2 x = y - 7 and 2 y = - x + 9

asked by Michael on May 24, 2016
54. ## Math

8x - (6x + 8) =6 The solution is x =

asked by christy on July 9, 2010
55. ## Math

|y + 4| < 1 A. -5 < y < -3 B. -3 < y < 5 C. -4 < y < 1 D. 1 < y < 4 A |2t| - 5 = 7 A. t = 1 or -1 B. t = 6 or -6 C. t = 10 or -10 D. t = 12 or -12 B |a| - 3/4 = -5/8 A. 1/8 or -1/8 B. 7/8 or -7/8 C. 1 3/8 or -1 3/8 D. no solution A

asked by Anonymous on October 18, 2013
56. ## algebra

y=-x-9 what is the solution

asked by bianca, pleeease help i'm lost on March 17, 2011
57. ## Algebra readiness ( pre algebra)

what is the solution to q+ (-9) =12?

asked by NARUTO on September 23, 2017
58. ## Algebra

x^t+2 / x^t Would the solution be x^2?

asked by Anonymous on December 17, 2009
59. ## Math

is (0,3) a solution y = x + 3? yes no

asked by Kayn on November 8, 2017
60. ## Algebra

solution to |-2w+7|>5

asked by Roni on March 24, 2016
61. ## Math

what is the solution of x/3 > -3 A) x < -1 B) x > -1*** C) x < -9 D) x > -9

asked by Anonymous on May 16, 2018
62. ## Math

4x+3y=8 (6,-8) is this the solution

asked by Anonymous on July 3, 2010
63. ## algebra

Cannot get this solution!!! (x-2)/(x) + (1/2)= (x+1)/(x-2)

asked by lola on January 16, 2012
64. ## algebra

8x-(4x+6)=2 the solution is x=

asked by help on January 24, 2010
65. ## chemistry

2.35*10^-4M,,Mg(OH)2 what is the pH of this solution

asked by krishna on June 18, 2012
66. ## Math

. Which is a solution of 2 8 x 1 5 \$ 11?

asked by Tiffany on January 15, 2018
67. ## MaTh

Is (-3,2) a solution of 3x - 2y = 12 yes or no? Is it no?

asked by CiCi on February 10, 2011
68. ## math

What is the solution to 40 +-11? I think it is 51

asked by Lost on August 24, 2015
69. ## algebra

is (8,9) the solution of 2x+4y=6

asked by a on November 1, 2009
70. ## Algebra 1B

ax^2+bx+c=0 solution: 9, only solution

asked by Tabitha on January 22, 2011
71. ## Algebra

1/8 + 2/t = 17/8t Is t = 1 the only solution?

asked by Anonymous on January 8, 2015
72. ## math

what is the solution to m + > -1 ? f.m-7 h.m=-7 j. -7

asked by kattie on January 4, 2011
73. ## algebra

3x=4-7+3x What is the solution?

asked by Wendy on September 4, 2014
74. ## algebra

4x + 8 < 12 Is x = 2 a solution? Is x=0 a solution?

asked by Sam on February 15, 2011
75. ## math

what is the solution 7x + 5 - 3x > -15 a.x_> -5 b. x_ 5 d. -5

asked by kattie on January 4, 2011
76. ## Chemistry 12

The [OH-] of a solution with a PH 5.75 is is it 5.6*10-9M?

asked by Shreya on January 25, 2013
77. ## ALGEBRA 1

is (8,5) a solution of yx+7

asked by janika on May 14, 2012
78. ## Math

what is the solution of 3x^+27=0

asked by Liz on November 11, 2013
79. ## Math

-7 + h = 12 What is the solution?

asked by Caitlyn on September 8, 2015
80. ## algebra

Is x=6 a solution to -2x-4=-8 I think that it is yes.

asked by Angela on November 17, 2011
81. ## Algebra

w^4-6w^2-2=0 what is the solution?

asked by Julie on May 24, 2011
82. ## math

what's the solution for y=2x-1 and y=x+3

asked by anonymous on May 1, 2017
83. ## math

asked by Andrea on April 17, 2018
84. ## algebra

is the solution of -2x>1/9 -2x

asked by babs on August 5, 2011
85. ## math

what is the solution to 5-t=23 a:t=28 b:t=18 c:t=-18 d:t=-23 what is the value of b if -7+b=-8 a:b=15 b:b=1 c:b+-1 D:b=-15

asked by Anonymous on August 31, 2018
86. ## math algerba

½(y-2)+2 =3/8(3y-4) Is 4 a solution?

asked by kelsey on November 8, 2011
87. ## algebra

is (5/6,-2) a solution for -6x-7y=9

asked by franklin on November 5, 2010
88. ## Algebra

what is the solution of n^2-49=0 -7 7 ±7 no solution

asked by Mark Foster on March 3, 2019
89. ## Algebra 2

What is the solution? 2x-3y+z=-19 5x+y-z=-7 -x+6y-z=35

asked by Jim on January 10, 2019
90. ## matn

-x=33 The solution is x=

asked by wendy on October 15, 2010
91. ## Math

2x - y = 4 6x - 3y = 7 (a) y = 2x - 4 (b)No solution (c)x = 2, y = -4 (d)x = 2, y = 5/3

asked by Andrew on January 3, 2011
92. ## algerbra 1

7 -2+t=9 solution t=

asked by Connie on November 17, 2011
93. ## math

the solution to n\4 -6 > -2 is

asked by kattie on January 4, 2011
94. ## Math

What is the solution of: u-7+(-3)=-12

asked by Sara on March 11, 2014
95. ## Math

asked by Valerie on September 21, 2016
96. ## Math

What is the solution of x-(-14)=8

asked by Mike on March 11, 2014
97. ## math

What is the solution to r/-3=12?

asked by Valerie on September 21, 2016
98. ## algebra

What is the solution to 5-t=23?

asked by Anonomous on September 12, 2018
99. ## math

a=9b,for b the solution is b=

asked by martin on July 20, 2009
100. ## Chemistry

What is the pH of a solution with a [OH-] of 10^-2

asked by Sam on September 24, 2017