# 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 753
1. ## religions

i need to make a model of any famous mosque in the world first, i need help finding pictures of different mosques to see which one would be easy to work with (i need a nice picture, maybe 3D, so i can copy it and build my model according to it) second, i

asked by y912f on May 12, 2009
2. ## physics

A driver of a 7100 N car passes a sign stating "Bridge Out 30 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume

asked by Steve on October 18, 2009
3. ## Lit

I have an essay and this is one part of my thesis... "In the nineteenth century, some ways the middle class participated in revolutions was by establishing liberalism, one way was through literature, and through the revolutions of 1848." I wasn't sure if

asked by Serena on March 24, 2014
4. ## physics

Water falls without splashing at a rate of 0.220 L/s from a height of 2.20 m into a 0.720 kg bucket on a scale. If the bucket is originally empty, what does the scale read 3.20 s after water starts to accumulate in it? The answer is supposed to be in

asked by jessi on March 22, 2009
5. ## Physics

Which of the following is an example of something not allowed by the second law of thermodynamics? Indicate true or false. 1.All refrigerators can be made perfect 2.A spoon in a hot drink spontaneously stirring the drink 3.All the molecules suddenly moving

asked by Courtney on March 20, 2008
6. ## Finance

Calculate, to the nearest cent, the future value FV of an investment of \$10,000 at the stated interest rate after the stated amount of time. HINT [See Example 1.] 5% per year, compounded daily (assume 365 days/year), after 11 years

asked by Amber on February 24, 2015
7. ## Connexus P.E

Harvey has his heart set on making the state finals for his track team in the 100 yard dash. Although Harvey knows there are many factors to improving his time and becoming an elite sprinter, one skill is paramount to his success. This skill is used at the

asked by Samantha on December 21, 2013
8. ## math just for fun

A long year-end status report for work is 111 pages long. You need to print 16 copies for a meeting next week. How much is the paper going to cost for those reports? Paper is sold in reams (500 pages) for \$3.88 each. Give your answer to the nearest cent,

asked by TayB on August 27, 2016
9. ## chemistry

Mg + O2 ------> MgO if 1.00 g of magnesium is ignited in a flask containing 0.500liters of oxygen at STP, how many grams of magnesium oxide areproduced? what is the name and the amount of the reactant inexcess? My work: 1g Mg/24.3g=0.041 mol Mg; 0.5L

asked by Lisa on December 30, 2014
10. ## Statistics

. Suppose that about 20% of those called will find an excuse (work, poor health, travel out of town, etc.) to avoid jury duty. If 14 people are called for jury duty, what is the probability that all 14 will be available to serve on the jury? Round your

asked by Jacob on June 25, 2010
11. ## Physic Worksheets?

Hi! I have a few tests coming up and I need some practice Physics worksheet/tests. I have already done the worksheets and previous tests, but I still need more practice. Does anyone know a site that I can get some practise problems? Doing a google search

asked by Lucina on January 6, 2015
12. ## Safety

Is you feel that an OSHA inspection is need to get hazards corrected at your work place, which is your best option? A- file a complaint online B- submit a written, signed complaint with a specific hazard information C- request a Health hazard evaluation

asked by Ladado on August 13, 2016
13. ## English

I have an essay and this is one part of my thesis... "In the nineteenth century, some ways the middle class participated in revolutions was by establishing liberalism, one way was through literature, and through the revolutions of 1848." I wasn't sure if

asked by Serena on March 24, 2014
14. ## English

Would I need to put (Emerson) for each one of the quotes in this sentence? And is the commas placed correctly? This is for an reflection essay and I have already mentioned the title of where I got these quotes from before this sentence and I am only

asked by Riley on April 30, 2017
15. ## physics

A driver of a 7550 N car passes a sign stating "Bridge Out 25 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume

asked by jesse on October 19, 2010
16. ## physics

a metal tank with a volume of 3.10 L will burst if the absolute pressure of the gas exceeds 100 atm. If 11 mol of an ideal gas is put into the tank at a temperature of 23.0 C, to what temperature can the gas be warmed before the tank ruptures? Neglect the

asked by sarah on November 19, 2009
17. ## PHYSICS

A driver of a 7400 N car passes a sign stating "Bridge Out 30 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume

asked by spencer on October 24, 2010
18. ## calculus

I am trying to find equation of the tangent line to the curve 2/(1-3x) at x=0 using the definition. I applied it into the formula lim h->0 [f(a+h) - f(a)]/h which gave me [2/(1-3x+h) - 2/(1-3x)]/h I took the conjugate and came with [4/(1-3x+h)^2 -

asked by Daniel on October 1, 2011
19. ## Social Studies

"If we intend to stay hands off to the powers of europe, then sooner or later we must keep to ourselves" What future US policy toward Latin America is suggested by this quotation from Theodore Roosevelt? I was thinking the answer would be: The united

asked by nope on May 1, 2017
20. ## Gudiance and Discipline

3. Girl babies want to look more at: a)faces. b)movement. c)colors. d)light. 5. Kid writing encourages: a)academic excellence. b)competition between students. c)risk taking. d)better spellers 7. eople who work only for reward: a)perform at lower levels.

asked by lomza on July 8, 2018
21. ## Physics

A heater cansupply 98000J an hour. If a lot of ice is already at 0 degrees, how much ice can be turned to water? check my work please: Q/l=m 98000J/kg / 3.35 * 10^5J = 029kg of ice can be turned to water

asked by sherri on April 21, 2010
22. ## Calculus - Hooke's Law , Spring Constant

Hi could someone please help me answer this question: It requires 0.05 joule of work to stretch a spring from a length of 8 cm to 9 cm and another 0.10 joule to stretch it from 9 cm to 10 cm. Determine the spring constant and find the natural length of the

asked by janet on September 15, 2008
23. ## physics

The greater the work function for a metal, A) the greater the speed of the ejected electron B) the smaller the speed of the ejected electron C) the more electrons are ejected D) the lower the threshold frequency E) none of the above

asked by danielle on January 12, 2010
24. ## physics

With each cycle, a 2650-W engine extracts 2330 J from a thermal reservoir at 85.1°C and expels 1840 J into a thermal reservoir at 20.9°C. a) What is the work done for each cycle? b) What is the engine's efficiency? c) How much time does each cycle take?

asked by maria on January 1, 2012
25. ## math

Is the function a polynomial function? Why or why not? If it is a polynomial function identify and label the leading term and constant term. Here are the functions f(x)=(2-x^4)/13 f(x)=x^3+9x-(1/x) it would be great if you could do everything step by step

asked by Alex on March 26, 2017
26. ## College Physics

The graph shows the force exerted on an object versus the position of that object along the x-axis. The force has no components other than along the x-axis. If z is an increment of 25, then what is the work done by the force on the object as the object is

asked by Megan on October 13, 2009
27. ## maths

It will take an apprentice 15 days longer than a qualified printer to complete a job. However if 3 apprentices and two qualified printers work together the job can be completed in 3 1/8 days. how long would it take one apprentice to do the job

asked by lak on September 14, 2016
28. ## Physics

The greater the work function for a metal, A) the greater the speed of the ejected electron B) the smaller the speed of the ejected electron C) the more electrons are ejected D) the lower the threshold frequency E) none of the above

asked by danielle on January 13, 2010
29. ## Calculus 2 - springs

Hi could someone please help me answer this question: It requires 0.05 joule of work to stretch a spring from a length of 8 cm to 9 cm and another 0.10 joule to stretch it from 9 cm to 10 cm. Determine the spring constant and find the natural length of the

asked by janet on September 15, 2008
30. ## management

The employee's performance objectives a. are designed by th employee only, b. ignore past work goals and objectives c. are designed by the supervisor only d.outline the employee's goals for the coming year.

asked by stella on November 23, 2009
31. ## math

how do i work out the following word problem. a particular ball retains half of its heght on each bounce when dropped from a height of 80 m. give the height of the ball on the fifth bounce after being dropped?(will the ball comes to rest?)

asked by ladane on May 19, 2012
32. ## Chemistry

When methane are burned in a bomb calorimeter the temperature rises from 21.00℃ to 25.18℃. The heat capacity of methane is 3.754x10^3 J/℃. The amount of heat, q (in kJ) absorbed by the calorimeter apparatus is: Correct Answer: 18.68 kJ My Work and my

asked by Anonymous on October 4, 2016
33. ## algebra

please explaing reversing the digits. Find the product of 2 two digit numbers and reverse the digits and find the product. The products are the same. Does this happen with any pair of two-digit numbers? Eplain your thinking in solving this problem and

asked by Robin on July 6, 2010
34. ## Math-Help Please

1) at 65kph,mrs Escarcha can reach home within 50 mins.at what rate should she drive her car so that he can reach home 10 minutes earlier? 2) Five people can finish painting a wall within 5 hours. if only 3 people are available, how many hours do they have

asked by Alanis on September 7, 2015
35. ## Economics

A vice president of a company argues that the president of the company should raise workers’ wages if the president wants less absenteeism. The president says that wages probably should be cut so that the workers could not afford to miss so much work.

asked by Sophia Anderson on July 28, 2010
36. ## Physical science

I have done this problem over and over again, but I still keep getting it wrong. What do I need to do? A 1.04x10^3 kg car accelerates uniformly from rest to 12.0 m/s in 2.16 seconds. What is the work done on the car in this time interval? Answer in units

asked by Christy on March 5, 2008
37. ## ethic and social responsib

People who work in the field of mental health__________a________ (Points : 1) may reveal information in cases where the patient intends bodily harm to another person. may never reveal confidential information. ought to never reveal any information. may not

asked by Rafael on March 16, 2015
38. ## physics

In an experiment, a student measures the speed of sound in air to be 318 m/s at STP. If the accepted value for the speed of sound under those conditionsis 331 m/s, what is the student's percent error? a. 3.9% b. 3.93% c. 4.09% d. 4.1% I tried but it didn't

asked by Christie on September 11, 2007
39. ## Math 222

Posted by Tika on Monday, April 27, 2015 at 5:11pm. Posted by Tika on Monday, April 27, 2015 at 1:03pm. How do I write an quadratic equation whose roots are -1 and -2 and whose leading coefficient is 1. Sorry my equal key does not work blank equals 0

asked by Tika on April 27, 2015
40. ## Physics...What am I doing wrong??

In an experiment, a student measures the speed of sound in air to be 318 m/s at STP. If the accepted value for the speed of sound under those conditionsis 331 m/s, what is the student's percent error? a. 3.9% b. 3.93% c. 4.09% d. 4.1% I tried but it didn't

asked by Christie on September 11, 2007
41. ## Math

Ricky drove from town A to town B in 3 hours because he drove 15 miles per hour slower on the return trip. How fast did Ricky drive on the trip from town A to town B? I know the answer is 37.5mph but can you please explain it and break it down so that I am

asked by Malinda on December 18, 2015
42. ## Math

Margo and Carrie are trying to go to Idaho for Dawn's wedding. The probability of finding a flight for less than \$400 is 1/7. The probability of Carrie making enough money babysitting to pay for her flight is 3/5. The probability of the girls being able to

asked by Anonymous on June 30, 2015
43. ## biology

On a hot, summer day, what would most likely be the limiting factor, the light reaction, or the dark reaction (in terms of photosynthesis)? I don't necessarily need the question answered. Rather, I don't quite understand how limiting factors, light and

asked by Alena on April 1, 2014
44. ## 5th grade math

write the following expanded notation in standard form. 600+50+4+0.2+0.07+0.009 ?? Build a 4 digit numeral. write 3 in the hundreths place 4 in the tens place 6 in the ones place,and 9 in the tenths place . ___ ___ ___ ___ please !help me with these to

asked by pat on October 21, 2010
45. ## 7th grade science

a textbook has 2,000 g mass/ 4,000 cm to the 3rd pwr what is the density how do you figure this out I went home sick today and this is the homework I missed in class today. Can anybody tell me how to do this I have a work sheet on how to figure mass

asked by Nickole on December 16, 2013
46. ## Algebra 1

Suppose students in your school arrive in groups each morning. You are the first to arrive, and you are alone, but still considered a group (consisiting of one person). The second group has two more people than the first group. The third group has two more

asked by Elizabeth on April 10, 2008
47. ## physics - PLEASE HELP!

Sam is sitting in her fishing boat watching a trout swim below the surface. She guesses the apparent depth of the trout at 2.0m. She estimates that her eyes are about 1.0 m above the water's surface, and that the angle at which she's observing the trout is

asked by Sarah N H on January 15, 2010
48. ## trig

Work out the following identities a)sin pheta / cos pheta b)tan pheta cos pheta

asked by Walter on April 8, 2008
49. ## AP calculus

If 54 J of work are needed to stretch a spring from 15 cm to 21 cm and 90 J are needed to stretch it from 21 cm to 27 cm, what is the natural length of the spring?

asked by Sam on February 20, 2015
50. ## Calculus

If 9 J of work are needed to stretch a spring from 9 cm to 10 cm and 15 J are needed to stretch it from 10 cm to 11 cm, what is the natural length L of the spring?

asked by Georgia Sack on January 31, 2010
51. ## math 012 please help explain

can someone please help explain how to do this problem. i have a previous posting where i tried to work the problem out, and someone tried to explain where i was confused, but im still confused. 4(2n+1)=3(6n+3)+1

asked by amy on February 1, 2009
52. ## Math

Find the equation of the line that passes through (-5,4) and (6,4) My work: M= 4-4/6+5 = 0/11 y=mx+b 4= 0(6) + b 4=b Y=4 Therefore, the equation of the line that passes through (-5,4) And (6,4) is y=4 Was this done correctly?

asked by ashley on February 19, 2015
53. ## CALCULUS

If 6 J of work are needed to stretch a spring from 12 cm to 13 cm and 10 J are needed to stretch it from 13 cm to 14 cm, what is the natural length L of the spring?

asked by ANNE on February 21, 2010
54. ## Calculus

If 27 J of work are needed to stretch a spring from 18 cm to 24 cm and 45 J are needed to stretch it from 24 cm to 30 cm, what is the natural length of the spring?

asked by Alan on December 4, 2011
55. ## Trig check my work please?

tan(X+30)tan(30-x)=2cos2x-1 / (2cos2x+1) i just did (tanx)(-tanx)=-sin^2x/cos^2x would that work?

asked by Carry on February 23, 2009
56. ## trig

Work out the following identities a) sin theta/cos theta b) tan theta cos theta

asked by Abigail on April 16, 2008
57. ## Biology

Recent studies of children and juveniles of other species show that when their eyeballs are actively growing, frequent exposure to blurred images can permanently alter the shape of the eyeball. The blurring results when objects in the field of view are at

asked by Jason on May 7, 2009
58. ## physiology

A patient is breathing rapidly and slurring her speech. Shortly after, she becomes comatose. Tests show her blood glucose and ketone levels are high. She has been urinating eery few minutes prior to her becoming lethargic. What is the patients problem?

asked by csumicro on December 10, 2006
59. ## psychology

Correlations show the relationship between two things and describe which one caused the other. False True False? When doing experiments, researchers change a condition called a(n) __________ so that they can see the results of that change. experimental

asked by Bri on August 13, 2018
60. ## Physics

Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of mA = 17.9 kg and an initial velocity of = 8.82 m/s, due east. Object B,

asked by Tim on November 4, 2012
61. ## physics

Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of mA = 17.5 kg and an initial velocity of = 8.50 m/s, due east. Object B,

asked by Ray on October 10, 2013
62. ## HELP!!!! (Math)

WORD PROBLEMS WITH EQUATIONS -Harry and Nicky share \$120 but Nicky takes \$58 more than Harry. How much does each person have? -When Katy was 12, her father was three times her age. Now he is twice her age. How old is Katy now? -a rectangle is 4cm longer

asked by Crissy XD on May 1, 2011
63. ## Computers

Hi, Am I on the right track? Reading for an hour now..and wanted to check my answers.. Which modem uses the same medium used to transmit video signals" My answer: C. Cable ADSL BRI DiGITAL '2. Which is the fastest wireless standard? My answer: 802.11G

asked by Dallas on October 6, 2013
64. ## algebra

Brett wants to paint his master bedroom. The paint costs \$21 per gallon and the primer costs \$15 per gallon. He does not want to exceed \$185 for the paint and primer. He has determined that he needs at least 5 gallons of paint and primer in total. If p

asked by logan on February 2, 2019
65. ## english

Assignment: Ethics and Law Presentation • Due Date: Day 7 [post to the Individual forum] • Create a 10- to 15-slide Microsoft® PowerPoint® presentation comparing and contrasting the roles that ethics and laws play within organizations. Include

asked by fay1985 on December 13, 2008
66. ## Physics

With her bare hands and her arms rigidly extended, a girl catches a 0.16kg baseball coming directly at her at speed of 25m/s. She shouts, “Ouch!’ because the ball stings her hands. She learns quickly how to move her hands with the ball as she catches

asked by Ricky on November 14, 2017
67. ## Math

Every few days a student at a school will receive a souvenir such as a pencil or shirt. Every 24th day a student receives a souvenier. Every 56th day a student receives a souveiner and every 64th day a student receives a souvenier. Which student will be

asked by Ulla on September 26, 2016
68. ## socialstudies(CHECK ANSWERS)

ANOTHER UPDATE FOR MY RECENT QUESTIONS I UPDATED ANSWERS....please check them 5. Mexico City was built by the A.Olmecs, when they began to grow maize. B.Maya, after they conquered the Valley of Mexico. C.Spanish, on the ruins of the Aztec capital. (I PICK

asked by clydia on February 19, 2014
69. ## Math

I have a problem that I don't know how to solve. I have to create an equation form the rate of a cab company. ABQ Green Cab Co. has a flat fee of \$2.94 and the price per mile is \$2.60. Here is the question:b. Write an equation in slope-intercept,

asked by Mal on May 29, 2018
70. ## Algebra

Can you explain to me how to solve this equation? 2/3x-9=1/3 1/3=.33 and 2/3=.66 now the problem is 0.66x-9=0.33 When I did this in math, I had trouble, but now I understand it. Since 0.33 is on the other side of the = then 9, you would do 0.33+9=9.33 In

asked by Britt on December 6, 2006
71. ## physics

ok so I really don't get 2d collisions and I thought I knew how to do this one but I have no idea: A 104 kg baseball player jumps up verticlly to catch a baseball of mass .254 kg traveling horizontally with a speed of 28.6 m/s. If the vertical speed of the

asked by Ty on December 16, 2007
72. ## Math

Please explain in detail how to solve this: During one year, about 163 million adults over 18 years old in the U. S. spent a total of about 93 billion hours online at home. On average, how many hours per day did each adult spend online at home? How do you

asked by Jane on January 5, 2012
73. ## algebra

write an expression to represent each situation. then find the value of each expression to solve the problem. 1. on saturday, mrs. armor bought 7 pairs of socks for \$3 each, and a sweater for her dog of \$12. then she found a \$5 bill on the sidewalk. over

asked by anon on August 28, 2015
74. ## physcial science

How do I calculate the orbital velocity of a satellite that is 400 miles above the earth? Set the centripetal acceleration V^2/(R+h) equal to the gravitational acceleration, g * [R/(R+h)]^2 Then solve for V R is the earth's radius and h is the 400 mile

asked by dave on June 25, 2007
75. ## Calculus

A rectangle is bounded by the x-axis and the semicircle y= ã(25-x^2). What length and width should the rectangle have so that the area is maximum? Place the semi-circle so it's center coincides with the origin. If you go a distance x to the right the

asked by Tezuka on October 1, 2006
76. ## math:Fundamental Counting Principlal

solve the problem by applying the fundamental counting principal with two groups of items. Shaun is joining a music club. as part of ther 4-cd introductory package she can choose from 12 rock, 10 alternative, 7 country, and 5 classical. if Shaun choose one

asked by robert on April 30, 2015
77. ## Chemistry! urgent

what volume of gas at 40°C and 1.50 atm is necessary to react with 300 L of hydrogen gas measured at the same conditions? 2H2 (g) + O2 (g) --> 2H20 (g) 1.50 atm= 151.KPa How would I solve this? Because I can't use: PV = nRT I have pressure, temperature,

asked by Sarah on January 10, 2018
78. ## physics

ok so I really don't get 2d collisions and I thought I knew how to do this one but I have no idea: A 104 kg baseball player jumps up verticlly to catch a baseball of mass .254 kg traveling horizontally with a speed of 28.6 m/s. If the vertical speed of the

asked by Ty on December 16, 2007
79. ## Math

The density if a sample is 5.8g/cm^3. the sample fills a cylindrical container whose hieght is 10.2 cm and whose radius is 4.3cm Find the mass of the sample. Mason, I'm sure the reason you haven't received any responses yet is that you haven't indicated

asked by Mason on July 23, 2007
80. ## math

A community center is expanding the size of its rectangular meeting hall. The hall is currently 300ft long and 150ft wide. The center plans to expand both the length and the width of the meeting hall by 3x ft. What polynomial in standard form represents

asked by Jane on March 4, 2013
81. ## math (double checking)

I've posted this question before but I forgot to say that I was dealing with polynomial inequalities (not sure if that makes a difference) The question is: Solve the following polynomial inequalities. (9 marks) 4x - 5 ≤ 2(x - 7) x^3 - 5x^2 + 2x ≥ -8

asked by Anonymous on January 12, 2013
82. ## Capacitance (tricky)

Two parallel plates of area 41 cm.^2 have equal but opposite charges of 2.60E-07 C. Within the dielectric material filling the space between the plates, the electric field is 5.80E+05 V./m. Find the dielectric constant of the material. Feel like there is a

asked by andrew on November 3, 2012
83. ## Algebra

Can anyone tell me if this answer is correct? Solve the problem. Let's imagine that in 2001, a surgeon performs the first brain transplant, the only transplant performed that year. If in 2010, there are 983 brain transplants, find an exponential growth

asked by Xan on June 19, 2010
84. ## Math

Darryl bought a surfboard from Wave Bye-Bye that was on sale for \$140. The original price was \$280. What fraction off was the discount? Wouldn't it have been 50% off if 140 is half of 280? unless it's a trick question... Mabey I guess I will put that.

asked by Chris on June 25, 2007
85. ## Math Precal

An airplane has an airspeed of 650 km/h bearing 15 degrees north of west. The wind velocity of is 19 km/h in the direction of 30 degrees east of south. Find the resultant vector representing the path of the plane relative to the ground. What is the ground

asked by chris on September 6, 2016
86. ## English

1. I'd like to make a counterargement abainst the opposite team/opponent team. (Can we use both terms, 'oposite' and 'opponent') 2. We can watch various lectures and sermons on TV. Many motivators appear on TV and help us to set our goals and prepare for

asked by rfvv on January 31, 2017
87. ## Physics

You often see birds resting on power lines that carry currents of 50A. the copper wire on which the bird stands has a radius of 1.1cm. assuming the birds feet are 4.0 cm apart, calculate the potential difference across its body... -------- V=IR R=pL/A

asked by lauren on April 14, 2010
88. ## Economics

4. Which of the following statements is false? a. Keynes believed that the level of investment depends on more than the interest rate. b.Saving is the difference between disposable income and consumption. c. Keynes believed that saving is more responsive

asked by Sarah on April 28, 2007
89. ## Writing Sentences and Paragraphs

Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe

asked by Hyuna on October 6, 2010
90. ## Maths

If The Roots Of The Equation X^2- bx+c are square root of alpha and square root of beta .show that alpa + beta = b^2- 2c and (alpha)^2 + (beta)^2 = (b^2 -2c - sqrt of 2c)(b^2 - 2c + sqrt of 2c)

asked by Joel on February 8, 2017
91. ## Calculus

A function f(x) is said to have a removable discontinuity at x=a if: 1. f is either not defined or not continuous at x=a. 2. f(a) could either be defined or redefined so that the new function IS continuous at x=a. Let f(x)=2x^2+3x–14/x–2 Show that f(x)

asked by Anonymous on October 13, 2010
92. ## Calculus

A function f(x) is said to have a removable discontinuity at x=a if: 1. f is either not defined or not continuous at x=a. 2. f(a) could either be defined or redefined so that the new function IS continuous at x=a. Let f(x)=2x^2+3x–14/x–2 Show that f(x)

asked by Anonymous on October 13, 2010
93. ## math

each day, Jason walks to his office at a constant rate. one third of the way he passes a bank and three-fourths of the way to work he passes a store. at the bank his watch reads 6:52 am and at the store it reads 7:02 am. at what time was jason halfway to

asked by dell on November 16, 2012
94. ## Geometry

A photocopier wants to enlarge a work by 120%. The original area is 10 inch^2. What would be the area of the enlarged copy? Thanks. 10^2 = 10 * 10 = 100 square inches. Find 120% (1.2) of 100 square inches by multiplying the two. I hope this helps. Thanks

asked by Jen on April 13, 2007
95. ## Algebra

Candy and Tim share a paper route. It takes Candy 70min to deliver all the papers, and it takes Tim 80min. How long does it take the two when they work together? The answer is 37min and 20s. Here's what I have. 7/6t + 8/6t = 15/6 I have t = 5/2. I don't

asked by Sean on September 2, 2009
96. ## pre-calc

The probability, P, in percent, that a person will respond to a certain ad can be modelled by the equation P(n)=1-2^(-0.05n), where n is the number of days since the ad began on tv. After how many days is the probability greater than 20%? my work:

asked by Jus on May 19, 2009
97. ## Physics

If 50 ft lbs of work is done on the same spring (in part a) in order to compress it, by how much is the spring shortened? *Information on part (a) is 400 #/in is the k constant and 1.75" is the compression. 50 ft lbs = 600 in lbs equation is: 1/2 * 600" lb

asked by Adam -Please check if I'm Correct on May 8, 2014
98. ## math

At 1:00 p.m., a car leaves a city and travels north at a rate of 55 mi/h. An hour later, a second car leaves the city and travels south at a rate of 60 mi/hr. At what time will the two cars be 285 miles apart We will be happy to critique your work or

asked by veronica on May 7, 2007
99. ## Calculus

A thin plate lies in the region between the circle x^2+y^2=4 and the circle x^2+y^2=1 above the x axis. Find the centroid. For the second part, same question except the region in the first quadrant instead of above x axis. For part a, I figured out bar x

asked by Andre on January 3, 2016
100. ## technology

i need help in adobe flash cs3 i have created a flash project and a flash file actionscript 2.0 and i don't know where to save the file. is it inside the flash project? or save it separately and link it later on i tried multiple website but they didn't

asked by aysha on April 10, 2013