# 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 323
1. ## Math for Educators

Show how to slice a cylindrical piece of cheese into eight congruent pieces with three slices.

asked by Nicole on December 24, 2009
2. ## Math/Derivative

Can someone help me figure out the answer and..possibly show the steps.. to finding the derivative of these 3 questions.. 1. f(x)=2(e^x) - x^2 2. f(x)=e^x/(e^x +1) 3. y=10^(√x)

asked by Jes on October 30, 2012
3. ## Physics

If you wish to warm 100 kg of water by 20° C for your bath, show that 8370 kJ of heat is required.?

asked by Reggie on March 13, 2014
4. ## science

How could you show that adding salt in water resulted ina physical change?

asked by bella on October 10, 2007
5. ## chemistry

show how CH4 +O2=CO2+H2O obeys the law of conservation of mass

asked by denis on October 15, 2011
6. ## algebra

factor 3a^2(a-b)-6a(a-b)+21(a-b) Can you show me the steps? I'm just not getting it :( You can take a 3 out of everything. 3[(a^2)(a-b)-2a(a-b)+7(a-b)] You can also take out (a-b) 3(a-b)[(a^2)-2a+7] I'm pretty sure this is your answer. Thank You. This was

asked by kat311 on June 28, 2007
7. ## TRIG

show that cos(pi x) = pi cosx is not an identity by finding a single value of x for which it fails to hold.

asked by Lynn on November 6, 2012
8. ## math

why would i use a bar graph to show the miles of coastline of westernmost california coasts

asked by Sally on October 13, 2009
9. ## Geography

A geographer decides what ____________ to use for a map by determining how much detail to show? Scale

asked by Garrett on November 10, 2015
10. ## chemistry

your in seam is 35.0 in.how many cm is this?show your final answer with units and correct sig figs.

asked by Anonymous on September 5, 2012
11. ## english

When a boy becomes a teenager, he often wants to show his independence. What is the personal pronoun and antecedent in this sentence?

asked by Jessica on January 31, 2008
12. ## math

Show that the following data could not possibly be fit by an exponential function x y 3 72 5 200 7 392

asked by Jason on February 20, 2012
13. ## Alegebra 1

HELP PLEASE!! Show that Euler’s formula holds for the polyhedra called a right pentagonal prism?

asked by Christina on August 14, 2009
14. ## Math

Accentuate the Negative. This is Charlene, Angeliques' Nana. Please show me How I can get to the correct answer. [-80 + 2] = N

asked by Angelique on October 1, 2013
15. ## Religion

What movie(s) could one show illustrating the Moral Development Theory by Lawrence Kohlberg?

asked by Tara on March 30, 2009
16. ## Precalc - Coordinates in 3D - Polar Coords

Show that r = cos theta is a graph of a circle with diameter 1 from 0,0 to 0,1 How to do this algebraically? I know r = sqrt(x^2 + y^2) so what should i do?

asked by Cambridge on December 21, 2013
17. ## gr.10 math!

factor the equation: -6x^2+15x+36 please show me the steps in answering this problem. thanksss..)

asked by Saira on September 19, 2009
18. ## calculus help

y=cosxcosy-sinxsiny/sinxcosy+cosxsiny find dy/dx plz show me working

asked by philip on September 30, 2016
19. ## series maths steve reiny bob reiny steve!!!

if p is the nth term 8+20+52+.....+p evaluate the sum to n-of the series plz show step

asked by mayerimi on April 17, 2017
20. ## Chemistry

Draw a cell diagram to show how you could determine the Kf of [Ni(NH3)5]^2+ using electrochemical cells.

asked by sea lively on August 24, 2018
21. ## Algebra

Graph an inequality to represent your profit margin. 9.50 30 = 585.00 I am not sure what to do to show this. please explain

asked by lost on October 12, 2016
22. ## MATH HELP HELP HELP HELP HELP BOBOBOBOBOBOBOBOBOB

Let a = 349, M = 492186. Show that gcd(a;M) = 1. Hence find the mutliplicative inverse, a^-1 mod M

asked by Dean on May 9, 2011
23. ## Algeba

Could someone show me how to solver this problem Please!!! Find allnumber for which the rational expression is undefined? 6/y-9

asked by pj on January 7, 2009
24. ## earth

When combining atoms, how do i use the balloons and letter notations to show the product formed?

asked by Tiffany on October 5, 2009
25. ## maths

Show that r = 1/4 - 3Cos¦È is polar form of an ellipse and find its centre. pls can anyone could help with this.

asked by Francis on May 11, 2015
26. ## art

• What was the role of ethnic minorities and their influence on the various arts? Can someone help show me where I can look to find this answer. Thank you

asked by renee on June 19, 2011
27. ## Math

Writing to Explain: How can you use models to show and name the number 1,400in two different ways? Expalin.

asked by Amanda on September 21, 2010
28. ## pre-calc helpppp

Evaluate the expression under the given conditions (show steps please) sin(è/2); tan è = − 5 / 12 , è in Quadrant IV

asked by John on April 21, 2012
29. ## 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
30. ## 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
31. ## 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
32. ## 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
33. ## 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
34. ## 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
35. ## 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
36. ## 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
37. ## 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
38. ## 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
39. ## 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
40. ## 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
41. ## 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
42. ## 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
43. ## 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

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
45. ## Math Analysis

The solution of 5x>2x is?

asked by Becky on February 18, 2008
46. ## Algebra

solution to |-2w+7|>5

asked by Roni on March 24, 2016
47. ## Algebra2

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

asked by Unknown. on August 17, 2012
48. ## Math help

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

asked by Anonymous on January 27, 2014
49. ## algebra

is -3.5 a solution ? x >_ 6

asked by Anonymous on October 7, 2009
50. ## algebra

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

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

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

asked by Sumayyah on December 18, 2008
52. ## math

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

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

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

asked by help on January 24, 2010
54. ## algebra

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

asked by a on November 1, 2009
55. ## 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
56. ## algebra

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

asked by joann on January 8, 2011
57. ## 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
58. ## math

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

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

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

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

y=-x-9 what is the solution

asked by bianca, pleeease help i'm lost on March 17, 2011
61. ## Math

-7 + h = 12 What is the solution?

asked by Caitlyn on September 8, 2015
62. ## math

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

asked by ann on May 5, 2008
63. ## math need help please

-x/2 = 9 The solution is x = what

asked by LaNasha on November 30, 2008
64. ## algebra

5(2m+3)-(1-2m)=2[3(3+2m)-(3-m)] Does this have a solution? I can only get so far... Thanks

asked by JC on September 21, 2009
65. ## Math

the solution for 19/6+4y=8y-1/6

asked by Billie Jo on April 7, 2012
66. ## matn

-x=33 The solution is x=

asked by wendy on October 15, 2010
67. ## 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
68. ## algebra

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

asked by Anonymous on July 22, 2009
69. ## mathi

is (3,2)a'solution of x+y=6 ?

asked by anita on August 2, 2013
70. ## 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
71. ## pre-algebra

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

asked by Michael on May 24, 2016
72. ## algebra

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

asked by Richard on February 19, 2012
73. ## Math

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

asked by Sara on March 11, 2014
74. ## math

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

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

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

asked by martin on July 20, 2009
76. ## Math

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

asked by Liz on November 11, 2013
77. ## algebra

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

asked by Angela on November 17, 2011
78. ## Math

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

asked by Linda on March 7, 2016
79. ## algebra

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

asked by Need help on September 12, 2009
80. ## alg

is -6 a solution of -3k=12-k?

asked by jerson on October 4, 2009
81. ## Algebra 2

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

asked by Anna on September 18, 2010
82. ## algebra

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

asked by lola on January 16, 2012
83. ## algerbra 1

7 -2+t=9 solution t=

asked by Connie on November 17, 2011
84. ## Algebra

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

asked by Mark Foster on March 3, 2019
85. ## algerbra

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

asked by renee on April 7, 2010
86. ## Math

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

asked by Kayn on November 8, 2017
87. ## Math

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

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

asked by Mike on March 11, 2014
89. ## MaTh

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

asked by CiCi on February 10, 2011
90. ## algebra

What is the solution to 5-t=23?

asked by Anonomous on September 12, 2018
91. ## 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
92. ## Algebra

Could someone tell me the solution for x^2 - 3x = 0, i know x = 3 but I just need to know how to get there please

asked by Tan on May 16, 2010
93. ## Chemistry

The pH of a solution is 6.5 What are the [H+] and [OH-] of the solution?

asked by Sam on September 24, 2017
94. ## chemistry

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

asked by krishna on June 18, 2012

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

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

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

asked by C on April 14, 2008
97. ## 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
98. ## Math

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

asked by christy on July 9, 2010