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. 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
  4. 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
  5. 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
  6. 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
  7. 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
  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. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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

    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
  27. 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
  28. 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
  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. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. math

    Describe how to solve -5x = 30.

    asked on February 19, 2019
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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
  48. Chemistry

    The motor is connected from it's battery and used as a generator.On the axes(vertical is amps and horizontal is time) show the type of current it provides when it is rotated through 2 complete revolutions

    asked on May 27, 2014

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

    asked on May 25, 2014
  50. 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
  51. 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
  52. Math (Simplifying Expressions)

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

    asked on February 25, 2013
  53. Chemistry Lab

    I need help with the third part The chemical method of analysis in determination of the blood alcohol content (%BAC) is: K2Cr2O7 + H2SO4 + C2H5OH → Cr2(SO4)3 + K2SO4 + CH3COOH + H2O What are the stoichiometric coefficients for the reaction above? (please

    asked on December 4, 2012
  54. 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
  55. Chemistry

    A gas has a pressure of 710 kPa at 227 Celsius. What will its pressure be at 27 Celsius, if the volume does not change?

    asked on May 6, 2012
  56. 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
  57. biology

    why do serum protein molecules such as albumin and lysozyme adopt different changes within physiological pH range?

    asked on February 5, 2012
  58. 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
  59. 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
  60. 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
  61. 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
  62. 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
  63. math

    in a group of 100 people, 40 own a cat, 25 own a dog and 15 own a cat and a dog. Find the probability that a person chosen at random a) owns a dog or a cat b) owns a dog or a cat, but not both c)owns a dog, given that he owns a cat d) does not own a cat,

    asked on March 13, 2010
  64. 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
  65. Health 9th grade

    A mother breastfeeding her baby is an example of A. active acquired immunity. B. passive natural immunity. C. passive acquired immunity. D. active natural immunity. C is my answer ,but i'm not sure

    asked on March 25, 2009
  66. 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
  67. 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
  68. 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
  69. 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
  70. 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
  71. Math

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

    asked on November 27, 2017
  72. 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
  73. 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
  74. chemistry

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

    asked on July 4, 2017
  75. 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
  76. 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
  77. 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
  78. 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
  79. 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
  80. 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
  81. pre Calc

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

    asked on January 4, 2017
  82. 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
  83. 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
  84. 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
  85. 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
  86. 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
  87. 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
  88. 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
  89. 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
  90. math

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

    asked on July 11, 2016
  91. life orientation

    clearly describe a recent corruption and fraud case in the country making headlines in the media:who the players are who got involved,the extent to which it linked to other crimes,role played by the media and that of the state to deal with this crime

    asked on May 2, 2016
  92. math

    1) A rectangular tank, 15 cm long and 20 cm wide, is filled with water to a depth of 12 cm. When a rock is put in, the water level rose to 15 cm. What is the volume of the rock?

    asked on March 23, 2016
  93. Chemistry

    Use the Table of Thermodynamic Data to decide which of the following reactions have K>1 at 298 K: (i) HCl(g) + NH3(g)-->NH4Cl(s) (ii) 2 Al2O3(s) + 3 Si(s)-->3 SiO2(s) + 4 Al(s) (iii) Fe(s) + H2S(g)-->FeS(s) + H2(g). Which of the products of these reactions

    asked on March 23, 2016
  94. college pre-calc

    Would a truck that is 12 feet tall and 9 feet wide fit through a parabolic arch that is 15 feet high at the high point and 16 feet wide?

    asked on January 31, 2016
  95. Words

    word has the same root as diagram? a. agree b. diameter c. grade d. ramp

    asked on January 7, 2016
  96. Algebra 2

    Find the x and y intercepts for the following parabolas. y=(x+12)^2-144 y=(x-8)^2-4

    asked on December 15, 2015
  97. math

    Compute the hurdle rate above based on the following.1. Note payable bank $2,000,000.00 with rate of 7.5%, The company has a tax rate of 30%.2. Bank Mortgage Loan $1,000,000.00 with rate of 6% The company has a tax rate of 30%.3. Preferred stock

    asked on November 19, 2015
  98. math

    How much of 20% alcohol solution and 50% alcohol solution must be mixted to get 9 liters of 30% alcohol solution?

    asked on November 9, 2015
  99. Chemistry

    The apparatus contains methane and oxygen at a temp of 383K. Here is the reaction: CH4(g) + 2O2(g) --> CO2(g) + 2H2O(g) solve for final pressures of all species and the final total pressure, For CH4 the volume = 1.164L the pressure = 6atm For O2 the volume

    asked on October 13, 2015
  100. Math

    A man hires a car with the fuel tank 5/8 full. He travels 180 miles and is left with 2/8 of a tank. How much fuel will he need to put in the car at the start of his return journey of 200 miles to ensure he has 5/8 of a tank when he gets back with no wasted

    asked on September 10, 2015


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