# 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 295
1. ## Algebra

can you show me the steps for this problem (2x)to the 4th power (3xcubed)squared I'd like to help you, but I'm not sure what this problem is supposed to be. You can use the symbol ^ when using exponents. For example, 2x to the 4th power can be typed 2x^4.

asked by maria on March 7, 2007
2. ## Science

I have been waiting for 30 minutes and noone has answered this question. Please help me! Describe the method you would use to separate eachg mixture. Methods: Picking apart, filtering, using density, using magnetism, dissolving, evaporating. a)sand and

asked by Saquta on December 16, 2010
3. ## Chemistry

A gas expands its volume from 4.7 L to 8.9 L at constant temperature. Answer the following: a) If the gas expands against vacuum conditions, calculate the work (in joules) done by the gas. b) Calculate the work done (in joules) by the gas if it expands

asked by Anon on March 17, 2017
4. ## Physics

A roll of toilet paper (a partially hollow cylinder with R_2 = 7.5cm, M = 300g, and I = 9.0 x 10^-4 kg m^2) is mounted on a mass-less axle along its central axis. Te roll is initially at rest. Then, at t=0, a child grabs the end of the roll and starts

asked by Bevi on November 22, 2014
5. ## Physics

A roll of toilet paper (a partially hollow cylinder with R_2 = 7.5cm, M = 300g, and I = 9.0 x 10^-4 kg m^2) is mounted on a mass-less axle along its central axis. Te roll is initially at rest. Then, at t=0, a child grabs the end of the roll and starts

asked by Bev on November 23, 2014
6. ## grammar...writing

Hello, I wanted to know if I am correct on the question below... Thank You How are the ideas in the folowing two sentences tied together? The best time I had all summer was the night of Sherry's party. The worst was the next day. 1. a connective 2. word

asked by Mandi on July 9, 2007

The most important way to improve the work group is for everyone, especially the bosses, to listen to each other. This can be done in regular meetings and by written communications. Suggestions for improvements should be implemented when possible. People

asked by Ms. Sue on June 20, 2005

Mary's yard is a mess. She needs to hire someone to prune her trees and shrubs. A landscaping service she calls quotes her a price of \$15 consultation fee plus \$8 an hour for the actual work. Mary's neighbor has offered has offered to help her out. She

asked by Bell on February 7, 2013
9. ## math

I'm having trouble determining when you divide and when you multiply to solve a scientific notation problem. For example: Assume that there are 20,000 runners in the New York City marathon. Each runner runs a distance of 26 miles. If you add together the

asked by Sami on July 18, 2018
10. ## Physics

A child pushes a toy box 4.0 m along the floor with a force of 6.00 N directed downward at an angle 37.0 degrees to the horizontal. (a)How much work does the child do? (b)Would you expect more or less work to be done if the child pulled upward at the same

asked by fluffy on September 9, 2006
11. ## Pre-Algebra

If the perimeter of a rectangle is 38 ft and the width is 9 ft, find its length. [Hint: The perimeter of a rectangle is given by P = 2L + 2W.] I don't know why this is a problem for you. P = 38 and W = 9. Solve for L. You have only one unknown in the

asked by Tammy Evert on July 16, 2006
12. ## science-important!

I really need to make sure this is correct for tommorow please help! The significance of specific base pairing in DNA is that A) it stabilizes the sugar molecule B) it provides a method for making exact copies of DNA C) it prevents errors in DNA

asked by jake on November 19, 2011

In 1984 by George Orwell, what do the 3 slogans (war is peace, ignorance is strength, freedom is slavery) mean? I would like to know what EACH suggests about the society. And how is the society able to get people to accept them as logical. I was thinking

asked by Christine on February 28, 2011
14. ## science-important!

I really need to make sure this is correct for tommorow please help! The significance of specific base pairing in DNA is that A) it stabilizes the sugar molecule B) it provides a method for making exact copies of DNA C) it prevents errors in DNA

asked by jake on November 19, 2011
15. ## Health

1. Your respiratory system is the system in your body that is responsible for breathing. True False 2. The lungs are made up of thick fibrous tissue. True False 3. Internal respiration takes place in the alveoli. True False 4. The alveoli are located at

asked by Carryyourtorches on October 27, 2017
16. ## Chemistry--Quick Question

Which of the following are LAWS according to the Scientific Method? It is possible for more than one answer. a. The volume of a gas is inversely proportional to its pressure. b. A solid has a mass of 100.0 grams and a volume of 11.1 mL. c. When a piece of

asked by Kathryn on January 18, 2011
17. ## Pre-Calc

A polynomial function f(x) with real coefficients has the given degree, zeros, and solution point. Degree: 3 Zeros: -2,2+2√2i Solution Point: f(−1) = −68 (a) Write the function in completely factored form. (b) Write the function in polynomial form.

asked by Ben Dover III on March 2, 2018
18. ## Personal Finance

1. Joe won a lottery jackpot that will pay him \$12,000 each year for the next ten years. If the market interest rates are currently 12%, how much does the lottery have to invest today to pay out this prize to Joe over the next ten years? 2. Mary just

asked by Sue on October 11, 2008
19. ## calculus too hard help

if y=x^x^x^x... dy/dx=? plz show working thanks got no ideal at all

asked by sam on May 2, 2016
20. ## Math

Hi I'm having a bit of trouble if anyone is able to help, thanks! Using the substitution u =1-2t^2, show that A = -1/4 ∫_1^(-7)▒e^u du

asked by Simon on March 21, 2015
21. ## Math

Use the "charges" particles model to show that 9+(-5)=4

asked by Amy on August 29, 2016
22. ## math

Subtract the sum of 81.6 and 4.07 from 129.4 Please show how its done.

asked by logan on May 28, 2012
23. ## math-need sir-steve badly asap

show that L{f(t)}=f(s) then L{e^(kt)}.f{(t)}=f(s-k) where k=costant L=laplace transformation

asked by dam on May 25, 2016
24. ## math

asked by ALMA on August 16, 2016
25. ## arithmetic

evaluate |4| + | -3| and |-9| - |-4| I need help if you could show me the steps I would be thankful.

asked by jean on January 13, 2010
26. ## Math

How do you show the distributive property for 12 x 468

asked by Aiden on September 19, 2011
27. ## elementry math

Show that 1,078 and 3,315 are relatively prime

asked by chandice on June 21, 2009
28. ## algebra

Convert the fraction 8/17 to a decimal. Can you show me how to do this?

asked by tony on May 30, 2012
29. ## Algebra

4x^2+12 = 0 I factored this out, but how do I show the final answer? Thanks! 4(x^2+3)

asked by Gertrude on June 23, 2009
30. ## math

if f(x)=x[x]/sin[x] then show that lim f(x)has no existence x>0

asked by soumitra on July 12, 2014
31. ## Math

Show me a picture grid of 1.8 divided by 0.6

asked by Kayla on January 16, 2018
32. ## Algebra

asked by tbell on June 17, 2014
33. ## mathematical physics

Show that vector del(r^2) = 2vector r

asked by gourav on March 22, 2015
34. ## Chemistry

4-methyl-2-pentyne show tautomerization

asked by Laura on May 15, 2009
35. ## Math/Algebra

Need help rewriting this as a decimal. 5*10^3 + 2*10^2 + 4*10^-1 = If you can please show me how to do this that would be so helpful!

asked by Libby on October 29, 2012
36. ## Algebra

Need help rewriting this as a decimal. 5*10^3 + 2*10^2 + 4*10^-1 = If you can please show me how to do this that would be so helpful!

asked by Libby on October 29, 2012
37. ## converting fraction

Convert the fraction 8/17 to a decimal. Please show how it done

asked by Anonymous on June 2, 2012
38. ## algebra

Show three ways the ratio 3 to 5 can be written.

asked by arezoo on March 14, 2011
39. ## Proving trigonometery

Show that Sin(A/2)=root(1/2(1-cosA)??

asked by Collins on October 19, 2015

show me examples of dot arrays

asked by ethan on September 15, 2009
41. ## Maths

Given that y= Acos3x + Bsin3x , where A and B are constants, show that d^2y/dx^2 + 9y =0

asked by Michael on May 2, 2019
42. ## math

(x+y+5)+2x=180 find the value of x and y. please show you got the answers.

asked by asha on September 29, 2008
43. ## Math

Use the charges particles model to show that 9+(-5)=4

asked by Amy on August 29, 2016
44. ## english

show me the right website for learning prepositions

asked by r s telagathoty on March 23, 2015
45. ## math

What is the mode of these numbers-19,20,32,26.Show me how you got your answer.

asked by Michelle on December 8, 2010
46. ## math

can you show me pics of 3dimesional shapes

asked by Erial on January 24, 2013
47. ## mathematics

using glazed paper ,show that 3/-7 and -9/21 are in prpportion.

asked by abhigyan on June 17, 2013
48. ## calculus help

integrate:dx/(3x^3-5)^3 help plz show step

asked by samuel on May 6, 2016
49. ## math

Hello, Show the given fractions as equavalent decimals. 5/8 and 13/26 and how you got it.

asked by abbie on October 17, 2009
50. ## math150

256x^8+30=31 how do i get rid of the x^8 (can someone show me the steps please)

asked by eddie on January 20, 2013
51. ## calculus

let f:[0,1] - [0,1] be continuous function .show that there exist a in [0,1] such that f(a)=a

asked by koram on December 4, 2013
52. ## Algebra

What is an non linear equation? Can you please show me an example.? This is all confusing to me.

asked by A.W. on February 17, 2009
53. ## Algebra

1. -9p-17=10 Will someone help me figure out the answer and show me the process?

asked by AJ on February 1, 2018
54. ## mathematical physics

Show that : vector del(r^2) = 2vector r

asked by gourav on March 28, 2015
55. ## vector algebra

Show that vector del(r^2) = 2vector r

asked by gourav on March 27, 2015
56. ## inglish

asked by Johnathan on October 18, 2007
57. ## Variables and expression

Explain how you could show five less than a number using an expression

asked by Briana on September 15, 2011
58. ## Math

Can you show me a example of how to convert feet to miles?

asked by Chelsea on February 18, 2010
59. ## Math

Use intermediate value theorem to show there is a root to 2x^3 + x^2 - 2 = 0 on [0,1]

asked by Kyle on March 13, 2013
60. ## Economic

give one example to show that wants arise and grow .

asked by Ravi sukla on June 29, 2017
61. ## Algebra

If (x+2)² = 25 and x > 0, what is the value of x? I have no idea what to put for x, if someone could please show me the steps ?

asked by emm on October 7, 2008

Factor f(x) = x^4 + x^3 – 8x^2 + 6x + 36 completely. Show all steps.

asked by david on February 24, 2010
63. ## math

4 5/8 + 9 3/5 = need to show how I got answer I know that the Lcd is 40 and then it is 25/40 + 24/40= 49/40 and then I don't know what to do from there

asked by Jared on February 3, 2013
64. ## Math

please show how you would divide 35.6728 by 5.246

asked by Kelly on December 13, 2010
65. ## Algebra 2

Please show me how to find ordered pairs. 2x+y =8 Thanks.

asked by Linda on April 3, 2015
66. ## Math

By letting x=5^y, show that the equation p5^y + 5^-y = 5 can also be written as px^2-5x+1 = 0

asked by Grace on February 9, 2017
67. ## Math

Find the value of 21 - 18 ÷ 3 · 2. A)1 if it doesnt show A is 1 half - 2 B)2 C)9 D)18

asked by george on January 7, 2010
68. ## ela

you didn't show me where i made mistakes

asked by anu on January 11, 2010
69. ## create an input/output

Please show me how to do e+7=f in an e is FOR input and f =output. Explain how to do it

asked by norma on November 12, 2012
70. ## chemistry

show how to convert: 0.0023hm to micrometers

asked by Jamal on August 23, 2011
71. ## Maths

if sqrt(y)=(arctan)tan-1(x), show that (1+x^2)dy/dx((1+x^2)dy/dx)=2

asked by NGOFAKA on October 23, 2007
72. ## Math

show that the set of all m-vectors whose first components is 0 (of R^m)

asked by Anna on November 16, 2014
73. ## Math

Simplify the expression below 9* (7-4)^2+9 Show your steps! :)

asked by Lazy Craz Baze on September 20, 2018
74. ## Math

Explain how you could show five less than a number using an expression

asked by Calya on February 8, 2016
75. ## math

how do i evaluate the integral of the absolute value of x from -2 to 1? can someone show me? thanks.

asked by keisha on January 10, 2010
76. ## Calculus

Show that there are at least two values of x in the interval (−π,π) such that x=1+sin(x)

asked by Larin on February 11, 2017

Given: f(x)=2x^2-x+1 g(x)=2 sin x h(x)=3^x Determine: a) f(g(x)) b) (h^-1 o f)(x) c) g(f(h(x)))) Please show steps, thank you very much.

asked by K on May 17, 2012
78. ## Maths

By completing the square show that f(x)=0 has only 1 root F(x)=x^3-2x^2-16

asked by Anonymous on November 12, 2015
79. ## spelling

how can i learn math fast.can you show me

asked by salome on July 1, 2014
80. ## helppppppp

convert 8.8m/sec to km/hr please show steps

asked by Anonymous on September 19, 2011
81. ## English

please show me an example of an in text citation from an article

asked by Ree on March 23, 2012
82. ## math

Write in the form y=a(x-p)^2+q please show the steps.. a)y=-2x^2+6x+11 b)y=-x^2-3x-3 c)y=1.5x^2-9x+10

asked by kerri on October 17, 2009
83. ## compound function

Given: f(x)=2x^2-x+1 g(x)=2 sin x h(x)=3^x Determine: a) f(g(x)) b) (h^-1 o f)(x) c) g(f(h(x)))) Please show steps, thank you very much.

asked by Kjd on May 17, 2012
84. ## Math

Explain how you could show five less than a number using an expression?

asked by Alec on October 27, 2009
85. ## math

Explain how you could show five less than a number using an expression

86. ## Calculus

Knowing that F(-2) = -7, F'(-2)= 12, g(-2)= -3 and g'(-2)= -9, Compute: a) h'(-2) if h(x)= f(x)g(x) b) h'(-2) if h(x) = f(x) / g(x) c) h'(-2) if h(x) = g(x) / 1+(f(x))^2 Show all steps

asked by Mikey on February 3, 2017
87. ## Calculus

Show that a,b,c, and d are positive integers when, ((a^2+1)(b^2+1)(c^2+1)(d^2+1))/abcd≥16

asked by Leo on March 7, 2012
88. ## math

1/3 (x-2)=5 u need to simplify this question i know x=17 but i don't know how to show this.

asked by Michaela on October 20, 2009
89. ## communication

can anyone tell me a tv show or movie that has misconceptions about listening?

asked by mike on February 22, 2010
90. ## Chemistry

What are the five(5) indications that show that a reaction has taken place? Thanks

asked by eva on February 4, 2008
91. ## Numerical Analysis

show that f(x)=xsinπx-(x-2)lnx has at least one zero derivative in [1,2]

asked by jessy on November 2, 2012
92. ## algebra

Draw a rectangle to show that 5 (x + 2 ) and 5x + 10 are equivalent ?

asked by Rick on January 4, 2016
93. ## Math

How can I show 1/3x+10=3/5x as or in a real world problem??

asked by Leah on February 8, 2016
94. ## combining functions

Given: f(x)=2x^2-x+1 g(x)=2 sin x h(x)=3^x Determine: a) f(g(x)) b) (h^-1 o f)(x) c) g(f(h(x)))) Please show steps, thank you very much.

asked by Rei on May 16, 2012
95. ## need help zigma mathematics

find the zigma of 1/2+2/3+3/4+....n/(n+1) please show step help

asked by paluto on March 10, 2017
96. ## Algebra 2

For the graph y= ax^2 + bx + c, show that the y-coordinate of the vertex is -b^2/4a + c.

asked by Kaitlyn on September 4, 2014
97. ## Maths

show that the circles x^2 + y^2 - 10x - 8y + 18 = 0 and x^2 + y^2 - 8y - 4y + 14 = 0 do not intersect

asked by Anonymous on May 2, 2017
98. ## Maths

Given that the line y=mx+c is a tangent to the circle (x-a)^2+(y-b)^2 = r^2 show that: (1-m^2)r^2=(c-b+ma)^2

asked by Joe on May 2, 2017
99. ## Physics

Suppose vectors a&b if a x b=c. Show that c is perpendicular to a&b. Please help me.

asked by Wube on November 16, 2011
100. ## calculus

Find the derivative. Could you please show me the steps? y = ãx(5-ãx)

asked by Cynthia on November 18, 2009