Popular questions and responses by Terry
  1. calculus please help!

    Which of the following functions f has a removable discontinuity at a? If the discontinuity is removable, find a function g that agrees with f for x a and is continuous at a. (If the discontinuity is not removable, enter NONE.) 1. f(x)= (x^4-1)/(x-1), a=1

    asked on September 3, 2010
  2. English

    The cow jumped over the moon what is the subject, verb and object in this sentence.

    asked on March 19, 2016
  3. accounting 100

    The following items are taken from the financial statements of the Postal Service for the year ending December 31, 2014: Accounts payable $ 18,000 Accounts receivable 11,000 Accumulated depreciation – equipment 28,000 Advertising expense 21,000 Cash

    asked on May 7, 2015
  4. Chemistry (Le Chatelier's Principal)

    Methanol has the formula CH3OH and can be produced by the reaction of carbon monoxide with hydrogen gas. CO + 2 H2  CH3OH + heat In an attempt to maximize the yield of methanol (amount of methanol produced), a chemist would try to shift the

    asked on October 4, 2015
  5. computer science

    Can you find the reason that the following pseudocode function does not return the value indicated in the comments? // The calcDiscountPrice function accepts an item’s price and // the discount percentage as arguments. It use those // values to calculate

    asked on November 21, 2012
  6. physics

    Point P is on the rim of a wheel of radius 2.0 m. At time t = 0, the wheel is at rest, and P is on the x axis. The wheel undergoes a uniform angular acceleration of 0.01 rad/s^2 about the center O. In Figure 9.1, the magnitude of the linear acceleration of

    asked on November 16, 2012
  7. statistics

    The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. Out of 50 pregnancies, how many would you expect to last less than 250 days?

    asked on December 8, 2010
  8. physics

    A block of mass m = 3.6 kg, moving on a frictionless surface with a speed vi=9.3m/s makes a perfectly elastic collision with a block of mass M at rest. After the collision, the 3.6 kg block recoils with a speed of vf=2.7m/s. In Figure 8.2, the speed of the

    asked on November 16, 2012
  9. Physics

    Assume that in interstellar space the distance between two electrons is about 0.87 cm. The electric force between them are repulsive. Calculate the electric force between these two electrons. The value of the Coulomb constant 9 × 109 N · m2/C2 and the

    asked on March 3, 2013

    The displacement (in centimeters) of a particle moving back and forth along a straight line is given by the equation of motion s = 3sin(ðt) + 5cos(ðt), where t is measured in seconds. (Round all answers to the nearest hundredth.) (a) Find the average

    asked on August 29, 2010
  11. Business

    Please edit my answers below the questions for correct sentencing In the following statement, a business owner attempts to explain and justify his slow growth in his business. I limit my growth pace and every effort to service my present customers in the

    asked on June 6, 2013
  12. Business Finance

    Erasers cost $5 per carton and pencils cost $7 per carton. If an order comes in for a total of 15 cartons for $85, how many cartons of each were bought?

    asked on January 24, 2012
  13. Algebra

    83. Minimizing Marginal Cost The marginal cost of a product can be thought of as the cost of producing one additional unit of output. For example, if the marginal cost of producing the 50th product is $6.20, it cost $6.20 to increase production from 49 to

    asked on November 3, 2011
  14. math

    you invested $8000 between two accounts paying 7% and 9% annual interest, respectively. If the total interest earned for the year was $600 how much was invested at each rate?

    asked on July 5, 2015
  15. physics

    If micheal Jordan has a vertical leap of 1.29 m, what is his take off speed and his hang time(total time to move upwards to the peak and then return to the ground)?

    asked on February 25, 2015
  16. Algebra

    An herbalist has 40 oz of herbs costing $4 per ounce. How many ounces of herbs costing $1 per ounce should be mixed with these 40 oz of herbs to produce a mixture costing $2.20 per ounce? oz

    asked on September 27, 2014
  17. Math

    Riddle: It's 7:00 AM. You are asleep and there is a sudden knock on the door. Behind the door are your parents who came to have breakfast. In your fridge are bread, milk (pasteurized), juice, and a jar of jam. To answer, what will you open first?

    asked on May 15, 2019
  18. Stats

    The GRE has a combined verbal and quantitative mean of 1000 and standard deviation of 200. Scores range from 200 to 1600. a. what % of the persons score above 1300? b. above 800? c. below 1200? d. above what score do the top 20% of the test-takers score?

    asked on April 17, 2016
  19. Physics

    Does the total kinetic energy of an isolated system necessarily have to be conserved when its total momentum is conserved?

    asked on March 5, 2016
  20. science

    At a murder scene, you have started making an image of a computer’s drive. You’re in the back bedroom of the house, and a small fire has started in the kitchen. If the fire can’t be extinguished, you have only a few minutes to acquire data from a 10

    asked on July 16, 2014
  21. math

    Jodie bicycles 6 km/h faster than Javier. In the same time it takes Javier to bicycle 42km, Jodie can bicycle 60 km. How fast is each bicyclist traveling?

    asked on March 11, 2012
  22. psychology

    Activation-synthesis dream theory purports that dreams rersult from the brain's effort to make sense of: a. the day's activities and experiences b. problems the person has not yet tresolved c. our external world d. spontaneously firing neurons during REM

    asked on February 23, 2012
  23. Business Finance

    Mobile Oil Company accepted a $10,000, 120 day note, dated March 3, at 8.5% to settle a past due accounts receivable. Mobile Oil discounted the note to raise cash on May 10 at a discounted rate of 9%. What proceeds did Mobile Oil receive?

    asked on February 2, 2012
  24. geometry

    measure of angle ABC=4x-12 measure of angle ABX=24 BX bisects ABC solve for X and find the measure of angle ABC **page 48 # 11 of prentice hall,california geometry**

    asked on September 27, 2011
  25. Business Math

    A firm of attorneys deposit $5000 of profit sharing money at the end of each semi-annual period for 7.5 years. Find the final amount in the account in the account if the deposits earn 10% compounded semiannually. Find the amount of interest earned.

    asked on April 17, 2017
  26. pre Calc

    Assume the number of U.S. dial-up Internet households stood at 38.5 million at the beginning of 2004 and was projected to decline at the rate of 3.5 million households per year for the next 9 years. (a) Find a linear function f giving the projected U.S.

    asked on January 4, 2017
  27. Psychology

    what is the unconditioned stimulus (US), unconditioned response (UR), condition stimulus and conditioned response of this example??? 1.)Art goes to a meeting in New Orleans and tries some oysters at the oysters bar. He likes the taste and eats quite few.

    asked on September 15, 2015
  28. Math

    Admission to a museum cost $12 for adults and $7 for children. A group of 35 people attending the museum paid a total of $315 in admission fee. Write a system of equations to represent the situation. Let A represent the number of adults admissions and C

    asked on March 25, 2014
  29. math

    What percentage of the total students chose skateboarding? (1 point) 10% 20% 30% none of these if 2 bys and 1 girl chose skateboarding? What percentage of the boys chose walking? (1 point) 30% 45% 25% none of these

    asked on March 27, 2013
  30. physics

    To drive a typical car at 40 mph on a level road for one hour requires about 3.2 × 10^7 J of energy. Suppose one tried to store this much energy in a spinning solid cylindrical flywheel which was then coupled to the wheels of the car. A large flywheel

    asked on November 16, 2012
  31. Math

    Artie Choke and Tom A. Toe both shop at the same local grocery store between five and six in the evening. The last time they saw each other was on Tuesday. Artie shops every five days and Tom shops every four days. What day of the week will they next run

    asked on October 17, 2012
  32. algebra

    If the sides of a square are lengthened by 6 cm the area becomes 196 cm 2 find the length of a side of the original square?

    asked on April 15, 2012
  33. algebra

    The number of tickets sold each day for an upcoming performance of Handel's Messiah is given by N(x)=-0.6x^2+12+13, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold

    asked on April 8, 2012
  34. Pre-cal

    Find the length of side b to the nearest whole number if side a = 105, angle A = 65 degrees, and angle B = 37 degree.

    asked on March 5, 2012
  35. psychology

    A worker who recently switched from day to swing shift has become less efficient and more irritable. He is also making more mistakes than he did on the day shift. The cause of this worker's problem is likely to be: a. sleep disorders due to change in shift

    asked on February 23, 2012
  36. Psychology

    Hello all I need some help with couple questions as a refresher. 1. which of the following statements about the gate-control theory is TRUE? a. Pain impulses create a gate leading to the brain. b. the brain is capable of generating pain on its own. c. the

    asked on February 20, 2012
  37. Psychology

    Modeling others' behaviors has been shown to be significant factors in learning. Research on modeling (and aggression, explicitly) demonstrates that aggression correlates with: a. violence in the media b. male testosterone levels c. social class d.

    asked on February 19, 2012
  38. Psychology

    According to sociobiologists, it is adaptive for male courtship behavior to: a. desire stability b. idealize security c. be choosy d. be promiscuous My answer is A.

    asked on February 19, 2012
  39. Calculus

    How would I solve this: -A particle moves along a line so that, at time t, its position is s(t)=8 sin2t. a) For what values of t does the particle change direction? b) What is the particle's maximum velocity?

    asked on April 8, 2010
  40. Calculus

    Determin the absolute extreme values of the function on the given interval. 1.)y= 3 sin x + 4 cos x, xE[0, 2pie]

    asked on April 7, 2010
  41. Math, derivatives

    f(x) = x² + 2Cos²x, find f ' (x) a) 2(x+cos x) b) x - sin x c) 2x + sin x d)2(x - sin2x) I got neither of these answers, since the 2nd part should be chain rule, right? f(x) = x² + 2Cos²x = x² + 2(Cos x)² then f '(x) = (2)(2)(cosx)(-sinx) My answer:

    asked on May 5, 2008
  42. chemistry

    The volume of a weather balloon increases as the balloon rises in the atmosphere. Why doesn’t the drop in temperature at higher altitudes cause the volume to decrease?

    asked on March 4, 2008
  43. algebra

    The probability that a 50 year old man will be alive in 10 years is 0.78 , and the probability that his 45 year old wife will be alive is 0.91 . Determine the probability that in 10 years: a. both will be alive b. at least one will be alive (HINT: what is

    asked on May 8, 2020
  44. Physics

    A girl standing 200 meters from the foot of a high wall claps her hands and the echo reaches her 1.16seconds later, calculate the velocity of sound in air

    asked on April 22, 2020
  45. math

    Describe how to solve -5x = 30.

    asked on February 19, 2019
  46. Stats

    Suppose the number of cell phones in a household has a binomial distribution with parameters n = 17, and p = 40 %. Find the probability of a household having (Keep at least 4 digits) (a) 11 or 13 cell phones? (b) 11 or fewer cell phones ? (c) 14 or more

    asked on July 6, 2017
  47. Math

    In a survey, 175 consumers were asked about their buying preferences concerning a product that is sold in the market under three labels. The results were as follows. 14 buy only those sold under label A. 25 buy only those sold under label B. 28 buy only

    asked on January 10, 2017
  48. math

    Eleven graduate students have applied for two available teaching assistantships. In how many ways can these assistantships be awarded among the applicants if (a) No preference is given to any one student? (c) The group of applicants includes seven men and

    asked on January 10, 2017
  49. Math

    In how many different ways can a panel of 12 jurors and 2 alternates be chosen from a group of 15 prospective jurors?

    asked on January 10, 2017
  50. math

    Write the given expression as the tangent of an angle. tan 7x − tan x/ 1 + tan 7x tan x

    asked on July 11, 2016
  51. Physics

    Consider a circular track with a radius of 200 meters. A runner starts on the east side and runs around the track to a point diametrically opposite her starting point. -What is the magnitude of her displacement? 400m -She then runs the rest of the way

    asked on January 31, 2016
  52. Geometry

    The area of a triangle is 30cm^2. What is the base of the triangle if the height is 6 cm?

    asked on October 13, 2015
  53. Computer

    whats the best topic for a slide show presentation that could capture so much attention of the teens ?? i just cant think of any topic ... thanks for your help in advance :)

    asked on September 16, 2015
  54. math

    at the rate of 50 mph a car can travel 14.6 miles for each gallon of gas used. On a trip Mr. Hanson used 12.5 gallons of gas traveling at a speed of 50 mph. the number of miles covered during the trip was:

    asked on August 18, 2015
  55. Physics

    A yo-yo is spun from rest by pulling on the string with a constant tension of 2.0 N. The radius of the inner rod on which the string is strung around is 0.50 cm. The tension is applied for 5.0 seconds after which the yo-yo is observed to spin with an

    asked on April 22, 2015
  56. Algebra

    Hi there. Can "x^2 - 10x + 22 = -2" be solved by taking the square root? Can "4x^2 + 8x + 3 = 0" be solved by taking the square root? If so, please show me an explanation.

    asked on December 29, 2014
  57. Algebra

    A box is to be formed from a rectangular piece of sheet metal by cutting squares measuring 5 inches on a side and then folding the sides. The piece of sheet metal is twice as long as it is wide. If the volume of the box is to be 1760 in^3, what are the

    asked on December 17, 2014

    INPUT ---------- OUTPUT X 2x-x/2 -10 -10

    asked on May 25, 2014
  59. Chemistry

    The volume of a gas sample is 200 L at 740 torr. What is its volume at 760 torr?

    asked on May 22, 2013
  60. math

    . Ms. Alison drew a box-and-whisker plot to represent her students’ scores on a mid-term test. Josh received 72 on the test. Describe how his score compared to those of his classmates. (1 point)About 25% scored higher; about 75% scored lower. Everyone

    asked on April 8, 2013
  61. Math (Simplifying Expressions)

    How would I solve this? 48÷4x5-2x5

    asked on February 25, 2013
  62. health information law and ethics

    Can someone help with a thesis on health care fraud and abuse?

    asked on January 30, 2013
  63. Math

    A crew of spiders moved into the scary old house and started working at once. They spun 2 webs on the first night, and 7 webs on the second night. On the third night they wove 12 webs. Every night they made 5 more webs than they had made the night before.

    asked on December 3, 2012
  64. Psychology

    The majority of psychologists are electric, which means they draw information from different schools of thought rather than limiting themselves to information gained from only one perspective. However, most psychologists agree that it's important to: a.

    asked on February 20, 2012
  65. Psychology

    Hi i need help with 2 practice questions 1. Just as _____ can strengthen social identity, ______ can reduce conflict between "us" and "them" a. competition; anonymity b. interdependence; cooperation c. individualism; interdependence d. competition;

    asked on February 20, 2012
  66. Psychology

    1. To sustain a learned response in someone, it is best for you to reinforce it: a. continuously b. intermittently c. intermittenly at first, then continuously d. at the first sign of spontaneous recovery. I chose B. 2. In his famous obedience study,

    asked on February 20, 2012
  67. Psychology

    Hi i need help with 2 practice questions 1. Just as _____ can strengthen social identity, ______ can reduce conflict between "us" and "them" a. competition; anonymity b. interdependence; cooperation c. individualism; interdependence d. competition;

    asked on February 20, 2012
  68. Psychology

    The emotional risk factor that poses a significant danger to one's physical health is proneness to: a. Antagonistic anger b. depression c. loneliness and worry d. anxiety and helplessness I chose B.

    asked on February 19, 2012
  69. Business Finance

    Earl Miller plans to buy a boat for $19,500 with an interest charge of $2500. Earl figures he can afford a monthly payment of $650. If Earl has to pay 36 equal monthly payments, by how much can he afford the boat per month?

    asked on January 27, 2012
  70. Geometry

    Suppose the coordinate of P is 2, PQ = 8, and PR = 12. What are the possible coordinates of the midpoint of the given segment?

    asked on August 28, 2011
  71. calculus

    how do I find the derivative of f(x)= 4/ square root of x ? using the limit process?

    asked on June 5, 2011
  72. English

    What connections between education and freedom does Douglass make in this except from his autobiography? what does it means?

    asked on February 1, 2011
  73. health physics

    Assuming that at the beginning of time (big bang; creation of the universe) there were equal numbers of U-235 and U-238 atoms produced, estimate the age of the Earth (using terrestrial U-235 and U-238 abundances).

    asked on January 29, 2011
  74. ecom

    How does the federal government implement its fiscal policies? Given economic conditions today, do you suggest expansionary fiscal policy or contractionary fiscal policy? How would your suggestions affect production and employment? Why?

    asked on August 17, 2010
  75. Algebra

    The problem gives the info. p=40 and x=52balloons. p=20 and x=62 balloons. I have to write and equation of the line for the demand using p=mx+b. I know I have to find the slope in order to do this.But have no idea how to do that with this info. Any

    asked on June 26, 2010
  76. Algebra -college

    The polynomial 0.041h-0.018a-2.69 can be used to estimate the lung capacity,in liters,of a female with height H,in centimeters,and age a,in years.Find the lung capicity of a 60year old woman who is 190 centimeters tall

    asked on April 11, 2010
  77. algebra

    Bayside Insurance offers two health plans. Under plan A ,Giselle would have to pay the first $190 of her medical bills,plus 30% of the rest.Under plan B ,Giselle would pay the first $220, but only 20% of the rest. For what amount of medical bills will plan

    asked on March 17, 2010
  78. Arithmetic

    Hi, i'm preparing for Olevels and i have some maths questions that i'm not sure how to do, i'd appreciate it if you could help. 1. The numbers 60 and 126, written as products of their prime factors: 60=2^2x3x5 126=2x3^2x7 a)Find the largest integer which

    asked on June 15, 2009
  79. chemistry

    To what temperature must a given mass of nitrogen at O°C be heated so that both its volume and pressure will be doubled?

    asked on April 16, 2020
  80. Math

    A new theme park will have five roller coasters, six water rides and eight suspension rides. If you were going to go on 5 of the 8 suspension rides, how many different ways could you do so?

    asked on November 24, 2019
  81. Physics

    You are a traffic accident investigator. You have arrived at the scene of an accident. Two trucks of equal mass(3,000 kg each) were involved in a rear-end accident at a stop sign. here is what you know: Truck 1 approched the intersection from the top of a

    asked on April 20, 2019
  82. Physics

    Is the speed of sound in the air the same for all sounds or do some move more quickly or slowly than others? I am thinking it not the same for all sounds

    asked on February 5, 2019
  83. Math

    At 55 miles an hour how long will it take me to drive 43 miles?

    asked on November 27, 2017
  84. Physics

    Supposed a skydiver ( mass=75kg ) is falling toward the earth. When the skydiver is 100m above the earth he is moving at 60m/s. At this point calculate the skydiver: Gravitational potential energy Kinetic energy Total mechanical energy

    asked on October 18, 2017
  85. Stats

    In the last Canadian census, 2.6% of all Ontario residents declared themselves to be Ukrainian ethnic origin. In a recent survey of 500 Ontario residents, 3.1% of people declared themselves to be of Ukrainian ethnic origin. Using the statistical meanings

    asked on July 5, 2017
  86. chemistry

    why is soap produced from olive oil relatively hard and insoluble?

    asked on July 4, 2017
  87. Stats

    Wood scientists are interested in replacing solid-wood building material by less expensive products made from wood flakes. Some summary statistics obtained from a study of the relationship between the length (in inches) and the strength (in pounds per

    asked on June 20, 2017
  88. Stats

    An analyst working for a telecommunications company has been asked to gauge the stress on its cellular networks due to the increasing use of smartphones. She decides to first look at the relationship between the number of minutes customers spent talking on

    asked on June 18, 2017
  89. chemistry

    You are making 40g of a 29% (w/w) sucrose solution. what amount of sucrose and water would be used. each in grams please

    asked on February 1, 2017
  90. Math

    A student is given a reading list of eight books from which he must select four for an outside reading requirement. In how many ways can he make his selections?

    asked on January 10, 2017
  91. Pre Calc

    List the elements of the set in roster notation. (Enter O for the empty set.) {x | 7 - x = 6 and x is an integer}

    asked on January 10, 2017
  92. pre Calc

    Find an equation of the vertical line that passes through (x, y) = (−3, 4).

    asked on January 4, 2017
  93. Pre Calc

    The annual sales of Crimson Pharmacy are expected to be given by S = 2.4 + 0.3t million dollars t years from now, whereas the annual sales of Cambridge Pharmacy are expected to be given by S = 1.1 + 0.7t million dollars t years from now. When will

    asked on January 4, 2017
  94. Pre calc

    Find an equation of the line that passes through the given points. (Let x be the independent variable and y be the dependent variable.) (3, 13) and (4, 20)

    asked on January 4, 2017
  95. Pre calc

    Find an equation of the line that has slope m and y-intercept b. (Let x be the independent variable and y be the dependent variable.) m = − 3/2 ; b = 3/4

    asked on January 4, 2017
  96. Pre Calc

    If the line passing through the points (a, 1) and (2, 8) is parallel to the line passing through the points (12, 6) and (a + 2, 1), what is the value of a?

    asked on January 4, 2017
  97. Chemistry

    Write an equation for the oxidation of NH2OH to HNO3 by KBrO3. Balance the reaction equation using the ion-electron method.

    asked on November 28, 2016
  98. english

    How does the author create such a heartwarming feeling in this story? A) by revealing the thoughts and actions of Josh B) by revealing the thoughts and actions of Coach Wilkins C) by revealing the thoughts and actions of Principal Edwards D) by revealing

    asked on November 10, 2016
  99. Science

    Students were given materials to complete a circuit to turn on one light. The materials received were 2 wires,AA battery, and various sizes lightbulbs.What is the variable in the experiment? Wires,battery, size of lightbulb, or time of day

    asked on November 1, 2016
  100. math

    Write the given expression as the cosine of an angle. cos 60° cos 65° − sin 60° sin 65°

    asked on July 11, 2016


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