# 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 427

I need someone to look over my work and see if I did it right and if I got the right answer. Thanks in advance. Determine f(3) given the function f(x)= 2x^2 + 2x + 3 1.) f(3)= 2(3)^2 + 2(3) +3 2.) =2(9) + 2(3) +3 3.) =18 + 6 + 3 4.) =27

asked by Heaven on April 13, 2016
2. ## Math-unit rates

Find the unit rate for \$27.40 for 4 hours of work

asked by Sammi on September 18, 2012
3. ## algebra hsa

5x-3=2(x-6) i got -3 when i solved it but when i check my work its not correct what am i doing wrong?

asked by Anonymous on March 29, 2013
4. ## philosopher 105

do you have any work on week 7 checkpoint phi 105?

asked by lisa smith on May 5, 2010
5. ## english

Hawthorne's greatest work is generally considered to be

6. ## math

need help with a practice work problem What is the degree of the polynomial. -9x^4y+2x^4-3z

7. ## Algebra

How do u work out how much fence is needed for area of 100m2

asked by Anonymous on July 13, 2016
8. ## PSYCHOLOGY

How would you characterize the work environment at Ford in the 1920s?

asked by TIA on March 1, 2013
9. ## match

1. Find the x- and y-intercepts algebraically, showing all work for: y = –(2/3)x + 30

asked by Darcy on November 2, 2010
10. ## Algebra

Could someone work this out for me? Someone says the answer is 2.34 x 10^-6 but I think it's 2.34 x 10^-4. 2 x 10^-3 = 3 x 10^8 x 1/6 x pi x d Solving for d. Sorry it's kinda messy.

asked by Zack on August 12, 2009
11. ## Physics

How much work can a 252 W motor accomplish in 13 seconds?

asked by Anonymous on March 10, 2013
12. ## algebra

Factor the polynomial completely 3m^2 -75 This is how I started to work it out. (3m-23)(m-5)

asked by Jessica on July 21, 2009
13. ## Algebra

Is there anybody out there that can give me the answer to this problem I have tried but I can't get it. I really need to turn in my work. Thank you (4,-8); 2x+5y=4

asked by Esther on January 27, 2011
14. ## college

Describe how the muscles work to support breathing.

asked by Cassandra on February 9, 2009
15. ## physics

How much work is done when a mass of 30N is lifted vertically through 6m

asked by Luc on August 3, 2011
16. ## math

What is -(-(-8)) I believe it's -8 because of the double negative if you work inside the parentheses first?

asked by John on February 6, 2016
17. ## algebra II

how do I work a exponential and logarithmic function on a TI83?

asked by Jerry on February 5, 2008
18. ## physics

Calculate the work done when a 18 N force pushes a cart 2.5 m.

asked by George on March 11, 2013
19. ## COLLEGE ALGEBRA

can somebody help me with this problem....DONT GIVE ME THE ANSWER JUST HOW TO WORK IT... 2r + 8 / 4 = 3r - 6 /3

asked by I HATE MATH!!! on January 22, 2011
20. ## math

What are the | | when you work with inger numbers. (not a question on assignment) Like for example |-3| < |6|

asked by a dog on May 9, 2018
21. ## Physics

What is the work done in lifting 60 kg of blocks to a height of 20m?

asked by scooby on November 24, 2010
22. ## History

Could someone please check my work below where the time says 8:03. Thanks god Bless

asked by Spongebob on January 19, 2009
23. ## social studies

what are detors called when they work to pay off there det?

asked by Sally on March 24, 2010
24. ## Math-unit rates

Find the unit rate for \$27.40 for 4 hours of work

asked by Sammi on September 18, 2012
25. ## physics

If 53 W of power are exerted and the amount of work done is 7 N-m, how much time did it take?

asked by Ale on December 12, 2010
26. ## mathematics,science,physics,agriculture and geograph.

which work i surpose to do?caus geograph confuse me!

asked by happy on January 15, 2015
27. ## ENGLISH

What does it mean to vary the sentence pattern within a written work?

asked by NICK on February 15, 2009
28. ## Maths

An arithmetic progression start 3+2a, 3+4a,3+6a if the fifth term is 73 work out value a?

asked by Maryam on February 7, 2017
29. ## physics

how much work is done when 100 kg lifted 5 meters above the ground

asked by sol on August 19, 2016
30. ## chemistry

0.74 Kcal/min to cal/sec How do I work this out ?

asked by dede on September 9, 2013
31. ## physicis

How much power does it takes to do 104 J of work in 8 seconds

asked by Andy on December 13, 2010
32. ## Life orientation

What, according to the BCEA with regard to the contraventions in work place?

asked by Pamela on March 13, 2013
33. ## physics

If 2.0J of work is done in raising a 180g apple, how far is it lifted?

asked by joe on February 21, 2010
34. ## physics

do converging/diverging lenses work because of refraction?

asked by Kurst on March 12, 2008
35. ## Math

Use the table below to evaluate the d/dx[g(f(3x))] at x = 1. x 1 2 3 4 f(x) 6 1 2 2 f ′(x) 6 1 10 2 g(x) 1 4 4 3 g ′(x) 4 5 7 –4 My work: D/Dx(g(f(3x)))= g'(f(3x)) * f'(3x) * 2 D/dx (g(f(3*1)))) g'(f(3*1))*f'(3*1) *2 4*3*2=24 I know 24 isn't the

asked by Anonymous on January 1, 2017
36. ## physics

if you raise a ball 1m and it has a mass of 50g, how much work was done?

asked by mackenzee on February 15, 2011
37. ## Terrebonne

How long does it take a 60 watt motor to do 8500 J of work?

asked by Chris on October 13, 2008
38. ## Amestoy EL

algebra how to work this problem 3.21 x n = 32.1 and estimate product 3.6 x 9

asked by Ke'andre on October 23, 2007
39. ## Science

Does anyone know where Johannas Keppler did most of his work? (like what area) Any help would be great!

asked by Tamy on October 23, 2007
40. ## Puzzle question sport

3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 1 1 1 1 1 1 1 1 1 1 1 1 0 Being a champion means a lot of hard work

asked by Emily on December 5, 2013
41. ## Work Experience

To do work experience, do you have to be a certain age? Any sites anyone could recommend?

asked by Anonymous on January 21, 2008
42. ## film and arts appreciation

how has will smith applied seven principles of organization in his work?

asked by gospel on March 21, 2009
43. ## science

information on sicled cells disease how they work,how do you get it etc

asked by Anonymous on March 2, 2013
44. ## MATH

Find the unit rate for \$27.40 for 4 hours of work

asked by N.H on September 18, 2012
45. ## physical science

you do 16,000 j of work on a 45 kg box intitally going 11.8 m/s. How fast is it going now?

asked by Wayne on May 20, 2013
46. ## math

can someone check my work? divid t^11/ t^3 is the answer t^3r2

asked by j.j on January 30, 2008
47. ## math

Please guide me in factoring completely while showing work ty -8x^3+4x^2-2x

asked by maryk on October 10, 2010
48. ## Physics

how much work is done when a magnet pulls a piece of iron?

asked by Jeet on November 11, 2011
49. ## Literature

Explain how the biography of an artist can impact a work?

asked by Meghan on October 20, 2009

what is a narrative mean in CASI work and can i have a example of a non fiction story

asked by Ram on January 11, 2010
51. ## Physics help!

I need to know all of the equations for WORK problems (Physics). I'm not sure where to find them. if someone could help id appreciate it.

asked by Jim on December 7, 2008
52. ## Biology

Describe how the muscle work in the human body

asked by Gela on January 16, 2014

How do i find a unite rate with work shown

asked by Need HELP!!!!!!! on March 18, 2009
54. ## Health Physics

When work is done by friction, in what form in energy "lost"?

asked by Shannon on January 22, 2010
55. ## math

If I work for 4/7 of a week, how many days off do I get in total over three weeks?

asked by audrey on March 18, 2017
56. ## English

What does it mean to vary the sentence pattern within a written work?

asked by Lin on October 9, 2008
57. ## math

9/1-7/11 with work thank you i dont understand how i get the mixed number 8 4/11

asked by somayee on November 3, 2018
58. ## writing skills

I am confused on how work citation is to be done.My essays keep getting return.I just need an example of how to do it.

asked by Samantha on July 28, 2015
59. ## Math

Showing all work convert 315m to dam

asked by Kala on July 2, 2013
60. ## Math

I would just like someone to check my work and make sure I am doing it correctly before I continue. f(x)=x^2-3x+5 1. f(2) I got f(2)=-7 and g(x)=5x-1 1.g(-3) I got g(-3)=-16 Thanks for any help!!

asked by Kelly on October 31, 2013
61. ## physics

how do i find the amount of work done when given mass and speed?

asked by Anonymous on February 24, 2011
62. ## Steph

Buffers work by converting _____ to ____.

asked by Chemistry on November 1, 2011
63. ## writing

how to start an essay about dealing with conflict at work

asked by grace on November 3, 2009
64. ## Group Behavior in Organizations

Are group or individuals more effective in work environment?

asked by Anonymous on April 4, 2011
65. ## Physics

How much work is done when a force of 70.1 N moves an object a distance of 64.4 m?

asked by Yolanda Gomez on February 11, 2018
66. ## geography history

Why it is important to follow trends in the work place ?

asked by Anonymous on September 6, 2018
67. ## Physics

how to find how many ridges a 10 p coin has? What do we measure and how do we work it out?

asked by Anonymous on March 26, 2012
68. ## chemistry

How do I work out the density of HCI at 600 celsius ? Thanks

asked by Selina on March 2, 2010
69. ## Math/Statistic

If I'm doing a pearson's and need to know the percentage of predicitability... all I have to do is work out the pearon's, right?

asked by Laur on December 8, 2010

Is your work place an example of a primary or secondary group?

asked by Steve on September 13, 2015
71. ## management

how should people who work on teams be trained and paid

asked by China on September 22, 2008
72. ## math

From hundreds chart;How to work out what % of the numbers are multiples of 3?

asked by charlie on November 22, 2012
73. ## English

Is there a word for someone who is never late in reaching work or school?

asked by Anonymous on September 17, 2014
74. ## physics

How much work must be done to bring three electrons from a great distance apart to 5.5×10−10 m

asked by Anonymous on March 2, 2010
75. ## Middle School Math

My home work problem is 3g+5=17 my answer is -20. A I correct.

asked by Carl on December 11, 2014
76. ## math

the average of 2 number is 9. list all possible of numbers that will work

asked by victoria on March 1, 2010
77. ## Science

How much work do you do when you push a 30kg pumpkin across 1.5 meters

asked by Anonymous on October 25, 2012
78. ## algebra

y=1/4x-1 1/2y=x-2 This is systems of Equations please work out the problem and explain it

asked by Anonymous on February 16, 2012
79. ## science

is holding a book while walking work? why or why not that is the question

asked by julie on November 12, 2009
80. ## math-polynomial

the question was using the polynomial P(x)=x^2-4, evaluate P(-x) I did P(-x)=(-x)^2-4 (-x=2)(-x-2) Is this correct? Thanks for looking over my work.

asked by jon10 on October 18, 2015
81. ## Economics

Explain the concept of isoquant and work on it's function

asked by Emma lekule on January 7, 2018
82. ## philosophy

what would an example of how C.Wright Mills ethical theory might work

asked by Anonymous on August 2, 2012
83. ## work ethics

it is ethical to take office supplies from work for home use ?

asked by gellie ann mae cata on March 11, 2017
84. ## science

what needs electricity to work anything that you plug in Eg. tv, computer, playstation,

asked by Jaechaun on March 26, 2007
85. ## Physics

the work done by the earth in moving round the sun is..................

asked by Anonymous on August 18, 2010
86. ## social studies

where did people work if they were a cook in medieval times

asked by melissa on January 8, 2011
87. ## English

A: If you have done any volunteer work, how many times have you done it? B: 1 - 2 (How do you read B?) 1. Onece to twice. 2. Once through twice. (Are both OK?)

asked by rfvv on November 22, 2009
88. ## maths

divide these amounts into the given ratios: 12,3:1 15,2:1 can you explain how to work it out? thank you

asked by ash on November 11, 2017
89. ## math

I having problems figuring out how to work this problem 6X^2+7/3X^2+1 is the answer 3X+6?

asked by Cailey on August 25, 2014

Z+5/7=3 home work problem that was not taught in class?

asked by Carole on January 9, 2011
91. ## math

How do you work out the question 24ax^2+18ax-105a.

asked by Bec on October 19, 2015
92. ## Math

What is the work for the problem 61,125 divided by125

asked by Jose on September 5, 2017
93. ## science

Explain how sonar radars work in boats

asked by Anonymous on March 29, 2018
94. ## Geometry

Using a 30-60-90 triangle, if b = 12, find c? I can't seem to get any formulas to work for this. any help would be wonderful.

asked by Kylee on May 21, 2014
95. ## Spanish

Can you please unscramble the work in Spanish with the letters RACHAAMR

asked by Portia on February 27, 2013
96. ## Physics

if 2.7j of work is done in raising a 180g apple how far is it lifted

asked by Bina on December 9, 2013
97. ## grammar

what is the predicate in ? The people work in a variety ofindustries.

asked by tatar on August 28, 2013
98. ## Science

A boy carries 100N to 500m. How much work is done

asked by Snehashree.S on November 17, 2016
99. ## math

-3/5 =(9/35)=0.34285714 as a decmial and a fraction of -12/35 did i work this problem right

asked by cynthia on September 24, 2010
100. ## science

wordy numbers: 622-4463 (let it do the work)

asked by brooke on March 14, 2013