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

92,096 questions, page 366
1. algebra 2

Which of the following is the solution to |x|-2

asked by jacqueline on August 27, 2014
2. Chemistry

The pH of a 1.0 x 10^-3 M Ba(OH)2 solution at 25 degrees C is how can 11.3 be the right answer.

asked by LT on April 2, 2008
3. Chemistry

Is 20.0 mL of 3.0 M HF a buffer solution with an approximate pH of 3?

asked by Dan on May 4, 2010
4. Chemisrty

What is the pH of a 0.20 M solution of NH4Cl? [Kb(NH3) = 1.8 × 10−5]

asked by Peter on February 22, 2011
5. Algebra

Is (0,3) a solution to the equation y = x + 3? My answer is no.

asked by Faye on August 25, 2014
6. math

-6p+7=3(2p-3)-4(-10+4p) what is the solution? PLZZZ HELPPP!!

asked by im from connexus on September 17, 2019
7. Chemistry

How many g of KCl are need to make 2.5 L of a 10% (w/v) solution?

asked by Thomas Ruger on April 2, 2017
8. Math

what is the solution to x + 4 = 12? A. X = 16 B. X = 12 C. X = 8 (MY ANSWER) D. X = 4 What is the value of b is 9 + b = -8 A. b = -17 B. b = -1 C. b = 1 D. b = 17(MY ANSWER) What is the solution to q + (-9) = 12? A. q = -21 B. q = -3 C. q = 3 ( MY ANSWER)

asked by HELPPP 911 HELP on August 25, 2014
9. chemistry

what is brandy's solution in chemestry?

asked by dorothy on July 7, 2013
10. chemistry

what is the name for a solution that can dissolve no more solute ?

asked by Ann on February 8, 2008
11. Algebra

Let f(x)=3x and let g(x)=x-2 Find g of g(5) Is the solution "1" correct?

asked by C. on November 28, 2009
12. algebra

I need an example how to graph for an inequality solution. eq. 5

asked by rick on January 24, 2016
13. chem class

What is the pH of an aqueous solution at 25°C in which [OH-] is 0.025 M?

asked by jessie on November 20, 2010
14. college

What is the molarity of a 1.4% HCOOH solution

asked by Calli on November 16, 2010
15. chemistry

What is the pH of an aqueous solution at 25°C in which [H+] is 0.025 M?

asked by richy on November 20, 2010
16. algebra

2x+1/x+1 (is less than or equal to) 2 what is the solution of the inequality?

asked by nyet on January 3, 2010
17. math

What is the solution to the proportion shown below? (x+3)/4 = (x+2)/3

asked by Jane on April 12, 2012
18. MATH

If (-2,y) is a solution to the equation 2x-3y=5, what is the value of y? I'm having trouble with this one

asked by Anonymous on December 9, 2013
19. Algebra

The solution set for 6x^3-11x^2-9x-1=0

asked by zach on October 30, 2012
20. algebra

4x+12>4 and 3x-25>-13 Solution {xIx> ? } I get so lost on these.

asked by Blake on January 20, 2010
21. math- algebra

5 x > 2 x + 18, x € N Please give me the solution to this problem!

asked by Aoife on April 27, 2015
22. Math

What is the solution to the proportion shown below? (x+3)/4 = (x+2)/3

asked by Jane on April 12, 2012
23. Calculus help!!!

X^2y+sinxy=e^xy i need solution plz

asked by Daniel on January 12, 2016
24. math

Find b such that (8x+1/b)-2=x has a solution set given by {3}. b =

asked by Lesley on October 4, 2011
25. math

If a polynomial equation p(x)=0 has 3+4i as a solution 3-i 4-3i 4+3i 3-4i

asked by cj on January 11, 2016
26. College Algebra

What would be an extraneous solution to the equation 4/(x+7) +3 = -2/13

asked by Lisa on March 18, 2017
27. Chemistry

How does a pH of a buffer solution go outside of its range?

asked by Avery on April 28, 2015
28. Math

For what values of b, the equation x^2−ax+b=0 has a solution for any value of a?

asked by URGENTTT!!!!!!! on January 13, 2019
29. Math

which of the following ordered pairs is a solution for y=-4x^2 a.(-2,16) b. (1,-8) c.(0,-4 ) d.(2,-6)

asked by Origami Killer on March 13, 2019
30. Math

Find b such that (8x+1/b)-2=x has a solution set given by {3}. b =

asked by Abby on October 4, 2011
31. algebra

I need to find the set solution to 5(s+2)^-44(s+2)=9

asked by krystle on January 21, 2012
32. Chemistry

what is the OH- concentration of 0.08 M solution of CH3COONa

asked by Rahul on May 4, 2017
33. chemistry

What is the pH of a 1.24 mol/L solution of HCN(aq) if its Ka = 6.2 x 10-10

asked by unknown on April 9, 2008
34. math

8q+6-2p=0 39=p-q what is the solution or ordered pair

asked by maria on November 16, 2010
35. Algebra

how do you use a table to find a solution to 4m - 5 = 11

asked by Alan on September 11, 2012
36. 9th grade math

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

asked by anonymous on December 5, 2012
37. Chemistry

If a solution has a large Kb value, will it have a high pH?

asked by Alex on January 17, 2016
38. math

What is the solution to the inequality |2n+5|>1? A. –3 > n > –2 B. 2 < n < 3 C. n < –3 or n > –2 D. n < 2 or n > 3 I put A! :) Thank you again.

asked by :) on May 29, 2015
39. 9th grade math

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

asked by anonymous on December 5, 2012
40. 9th grade math

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

asked by anonymous on December 5, 2012
41. Math

i tried and tried and i cant find the answer. is it not a solution. (3/x)-1=7/(x-20)

asked by monty on November 23, 2009
42. algebra

how do I graph the solution set of x›4

asked by Anonymous on April 24, 2007
43. i dont know how to solve this

Which number is a solution to the inequality 3x − 2 > 10? A 2 B 3 C 4 D 5

asked by matt on January 19, 2016
44. Math

What is the solution to the inequality below? 12x > 6(x - 2)

asked by Jeff on January 15, 2014
45. chemistry

examples of suspension and solution

asked by jhunmar on September 10, 2008
46. Algebra

Determine whether the number is a solution of x

asked by KEll on April 9, 2008
47. algebra

Determine whether 14 is a solution of the equation 6(x - 2)= 70

asked by Tina on July 6, 2011
48. math

Find p such that px^2-12x+4=0 has only one solution. Thank you!!!

asked by Jane on April 14, 2016
49. math

What is the solution to the proportion shown below? (x+3)/4 = (x+2)/3

asked by Jane on April 12, 2012

Which number is a solution of the inequality? g>6.4 a. 7 b. 6 c. 6.4 d. -7 Which number is a solution of the inequality? g+3>6 a. 3 b. 4 c. -3 d. -4 Which number is a solution of the inequality? 12

asked by Ashley mccgarvey on January 9, 2014
51. ALGEBRA

Find the solution of the equation. 1/2x^2 - x+5=0

asked by allexelle on April 12, 2015
52. algebra

each of numbers below is is a solution of the inequality 2x + 3 > 7 .. except ... 3 6 1 5

asked by ahnaliyah on June 25, 2012
53. math equation

Detearmine whether -4 is a solution of the inequality x¡Ý4

asked by Lavern on December 3, 2011
54. chemistry

How to make a 2 Molarity solution?

asked by Da on January 5, 2009
55. Chemistry

What is the weight/volume for a 0.2% solution?

asked by Lane on January 5, 2009
56. pre-calculus

one solution of x^3-5x^2+5x-1=0 is 1. find the other two solutions.

asked by hawra on March 13, 2010
57. algrebra

10-3y-7y= } i dunno how to do this?

asked by help on December 6, 2009
58. algebra

which point is a solution of the inequality y

asked by ike on April 30, 2010
59. Chemistry-Emergency

What is the molarity of a 15% solution of Ni3Fe(CN)6?

asked by Beth on November 30, 2010
60. Chemistry

What si the pH of a solution of 10^-8 M HCl in H2O?

asked by Julie on September 5, 2008
61. math 1321

what is the digit in the ones place of the solution to 3^63

asked by delia :) on September 16, 2012
62. algebra

which point is a solution of the inequality y > -3x + 1? a) (2,-1) b) (0,-1) c) (0,0) d) (-12,4)

asked by ike on April 30, 2010
63. college chemistry

What si the pH of a solution of 10^-8 M HCl in H2O?

asked by Julie on September 5, 2008
64. algebra

need help bad can you help me with this problem (-2/3,1) is a solution to -9x-2y=8

asked by babygirl on September 26, 2011
65. Math

Can you please give me an example of a solution step? Thanks.

asked by Emma on September 16, 2012
66. medicine

A 8 lb rabbit needs 300ug/kg of a 1% solution. How many ml should be given

asked by Jessica on September 20, 2010
67. math

Consider the equations:f(x)=-6x-1 and g(x)=4x^2 Select the solution for .(fg)(x)

asked by hpe on September 8, 2014
68. Chmeistry

How can solubility of a solution be written?

asked by Linda on April 1, 2015
69. calculus

if f(x)=4^(2x)-1, find :f(1)+f(2) solution pls

asked by gen on November 12, 2010
70. math

is the given number a solution to the given equation yes or no? 4x= 8; 7 I would have to say no.

asked by jess on January 17, 2010
71. Math

How do you find the solution set for x^2 + 6x + 9 = 0?

asked by Anonymous on February 7, 2014
72. Chemistry

Calculate the pH of HCL if you have 10.0g in 5.0L of solution

asked by Jay on February 6, 2017
73. organic chemistry

calculate the pH of a 1.25 x 10^-3 M HNO3 solution

asked by kathy on May 2, 2011
74. Math a

7X+4>-13 or 9x+4>-23 The solution of the compound inequality is ? I am

asked by katie on September 22, 2011
75. Algebra

Which is the extraneous solution of -x=sq root of 2x+15? A. -5 B. -3 C. 3 D. 5 I think it is D...?

asked by Cassie on March 15, 2013
76. Trig

What is the solution set of the inequality x^2-x>20? a)x>5 b)-4

asked by Christian on January 14, 2010
77. Chemistry

Why would it be better to titrate a solution rather than just dilute it?

asked by Jane on September 21, 2010
78. Science

Why is the KI solution added in excess

asked by Kabeer on April 24, 2017
79. Algebra 2

What is the solution to the rational equation x / 2x + 1 + 1 / 4 = 2 / 2x + 1?

asked by Billy on April 30, 2012
80. Algebra

Simplify in terms of i. 1/4 √-24 Solution: 1/2i√6 ?

asked by Anonymous on October 27, 2009
81. math

explain why the equation x^(5)-3x+1=0 must have a solution with 0 < x

asked by Jake on October 29, 2012
82. Math equation

Please determine if -4 is a solution of the inequality x ¡Ý 4

asked by Lavern on December 3, 2011
83. math

does 9x+6y=15 that come out as no solution? 18x+12y=0

asked by Rebecca on September 21, 2011
84. math

PLEASE HELP ME!!!!!! what is the solution set of the equation x^2+9=0

asked by hello123456789 on November 23, 2012
85. St. Louise's Inclusive Secondary School

How to prepare 0.5m solution of HCL

asked by Mfonobong gabriel on September 29, 2015
86. calculus

if y1=x^(2)+3x-1 and y2= x-5 find: a. y1+y2 b. y1-y2 c. y1*y2 solution pls..

asked by gen on November 12, 2010
87. Math

How do you know if an absolute value inequality is "No Solution" or not?

asked by Angie on January 16, 2009
88. algebra

5-9y-2yblank}

asked by Carla on May 23, 2011
89. science

What is the pH of a 0.05 M solution of potassium hydroxide??

asked by sege on May 6, 2017
90. Algebra

What is the solution and magnitude of the following problem: (x^4)-1=0 (x^3)+1=0 (x^3)-1=0 (x^6)-1=0 (x^6)+1=0

asked by Anonymous on February 24, 2017
91. Math

x < 1 is a solution to which of the following inequalities? A. x + 2 < 3 B. x − 2 < − 3 C. x − 2

asked by Jon on April 24, 2012
92. Chemistry

What happens to the pH of an acidic solution when it is heated

asked by Anonymous on February 4, 2016
93. CHEMISTRY

How to make a 2% iron solution?

asked by CHA on July 2, 2012
94. Math

Which number is a solution of the inequality? 6>z(10-z) A)0 B)1 C)2 D)

asked by EmberShy on February 26, 2017
95. math

Find a solution to the inequality x > 7 A. 9 B. 5 C. 1 D. 7

asked by Regular Minecrafter on November 17, 2018
96. vhem

What is the pH of a 0.570 M solution of aniline? Kb = 7.4 × 10-10

asked by nelson on March 31, 2008
97. Chemistry

If a solution has a pH of 8.14, calculate [H3O+]?

asked by Anna on May 23, 2018
98. mat/117

Select the value of x that is the solution for the equation 6/x=7/x+3

asked by nick on July 6, 2014
99. Math

what is the solution of the equation shown. -4w+5/3= -13

asked by Adri on September 23, 2015
100. chemistry

What is the pH of a solution that is 0.20 M CH3COOH and 0.10 M CH3COONa?

asked by curtis on May 4, 2010