Newest questions posted by Terry
  1. Math

    At 55 miles an hour how long will it take me to drive 43 miles?
  2. 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
  3. 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
  4. 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
  5. chemistry

    why is soap produced from olive oil relatively hard and insoluble?
  6. 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
  7. 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
  8. 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.
  9. 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
  10. 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
  11. 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
  12. Math

    In how many different ways can a panel of 12 jurors and 2 alternates be chosen from a group of 15 prospective jurors?
  13. 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?
  14. 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}
  15. pre Calc

    Find an equation of the vertical line that passes through (x, y) = (−3, 4).
  16. 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.
  17. 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
  18. 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)
  19. 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
  20. 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?
  21. Chemistry

    Write an equation for the oxidation of NH2OH to HNO3 by KBrO3. Balance the reaction equation using the ion-electron method.
  22. 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
  23. 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
  24. math

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

    Write the given expression as the cosine of an angle. cos 60° cos 65° − sin 60° sin 65°
  26. 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
  27. 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?
  28. 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?
  29. 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
  30. English

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

    Does the total kinetic energy of an isolated system necessarily have to be conserved when its total momentum is conserved?
  32. 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?
  33. 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
  34. Words

    word has the same root as diagram? a. agree b. diameter c. grade d. ramp
  35. Algebra 2

    Find the x and y intercepts for the following parabolas. y=(x+12)^2-144 y=(x-8)^2-4
  36. 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
  37. math

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

    The area of a triangle is 30cm^2. What is the base of the triangle if the height is 6 cm?
  39. 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
  40. 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
  41. 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 :)
  42. 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.
  43. 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
  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:
  45. 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?
  46. 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
  47. 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
  48. Calculus

    A rectangular page is to have a print area of 96 square inches. The top and bottom margins are to be 1.5 inches each and the left and right margins are to be 1 inch each. What dimensions will minimize the total area of the page. I got L=8sqr(2) But I'm not
  49. Math

    I have a line plot ranging from 0-15. The numbers represent the "number of books read by students." There are no students in 0-1-11-14 or 15. What would the median number of books read by students be? My "incorrect" answer was 7.5! Please help and explain.
  50. critique reasoning

    Alex decides that 21 divided by 3=7 is NOT a true equation. Is Alex correct? Explain
  51. math

    Critique Reasoning Alex decides that 21 divided by 3 = 7 is NOT a true equation. Is Alex correct? Explain
  52. 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)?
  53. maths

    How do I plot three points on a graph if the first coordinate is equal to (-2.8) and the other two coordinates are unknown?
  54. Math

    Solve for y: x = (x+1)(x+y)
  55. Algebra

    What are the complements and supplements of: (y + 20)°. Thx!
  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.
  57. Algebra

    Mr. Zerman went shopping. In the first store he spent half of his money plus an additional dollar. At the second store he spent half of his remaining money plus an additional dollar. This pattern continued until he left the fifth store with no money left.
  58. 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
  59. math

    the ratio of girls to boys in the chorus is 3:2. If there are 50 students in chorus, how many boys are there and how many girls?
  60. Optics

    How to find critical angle using n?
  61. 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
  62. math

    the sum of my digits is 13, my hundredths place is 3 less than 5, my ones place is 4 more than 3, my thousands place is even, what 4-digit numbers can I be
  63. statistics

    Construct a 95% prediction interval for the number of hours of sleep for an adult who is 45 years old
  64. 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
  65. math

    X+3y+9=0 and x+3y-7=0 are parallel or not ,how to work out,can anyone show me please
  66. math

    please represent algebraic express 20 less than 19 divided by 3X
  67. Maths

    Find the derivative of y=1/x at x=1/4 Answer: 1/1/16
  68. algebra

    The population of Arizona was 4.2 million in 2000 and 6.9 million in 2008. If the population grew exponentially, which one of the following models the population as a function of time (in years since 2000)?
  69. Physics

    Two masses are connected by a string over an ideal pulley as shown. The coefficient of kinetic friction between m1 and the table surface is 𝜇. Find an expression for their common speed after the blocks have moved a distance L. You can assume that you
  70. Physics

  71. Physics

    The flux density through a 200 turn coil of area 8.5*10^-4 m squared changes from 0.03 T to 0.12 T in 15 mins. Calculate the induced emf in the coil.
  72. 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
  73. algebra

    Suppose that state’s record high temperature of 102 was set in 1930, and the record low of -14 was set in 1966. What is the range of these temperature extremes?
  74. algebra

    Complete the table of solutions 7x-2y =-21 X Y (X,Y) 3 ---- (---- , ----) --- 0 (---,---)

    How many inches of molding are needed to produce the square picture frame 13" 1/8

    Complete the table of solutions 7x-2y =-21 X Y (X,Y) 3 ---- (---- , ----) ----- 0 (---,---)

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

    Suppose that state’s record high temperature of 102 was set in 1930, and the record low -14 of was set in 1966. What is the range of these temperature extremes?

    In the table of solutions, which entry is the y-intercept of the graph and which entry is the x-intercept of the graph? x y (x, y) 4 0 (4, 0) 0 2 (0,2) –4 –4 (–4, –4)

    A student inherited $4,200 and deposits x dollars in American Savings. Write an expression to show how much she has left to deposit in a City Mutual account.
  81. geometry

    if you add 10% to each side of a triangle what is the % of gain
  82. 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
  83. Chemistry

    Alternative answers: A)10 B)13 C)1.9 D)3.8 E)12
  84. Science

    Determine the pkb of methylamine if the kb is 4.4*10^-4.
  85. Algebra

    what is the expression that is equivalent to -2(x-3)
  86. math

    I am helping my daughter and I need help on this question in the number 57,733 contains two sets of digits in which one digit is ten times as great as the other what are the values of the digits in each set help please!!!!
  87. math

    In the number 7,725 which places contain digits where one digit is ten times as great as the other ?
  88. math

    a quadrilateral has two angles that measure 88 and 62. the other two angles are in a ratio of 16:19. what are the measures of those two angles?

    Explain the relationship between labor earnings and the distribution of income

    How have insights from the field of psychology influenced the thinking of economists in recent years?

    Explain the relationship between labor earnings and the distribution of income
  92. maths

    2/π ∫ π - 0 t^2 cos (nt) dt how to solve this anyone?
  93. MATH

    Chantal has a flower bed. She has three types of flowers, Daffodils, Hyacinths and Tulips. She has 8 Daffodil bulbs, 10 Hyacinths bulbs and 12 Tulip bulbs. For every 3 bulbs that were planted, how many hyacinth bulbs were planted? Was it 1,2,3, or 5?
  94. physics

    A rock is dropped into the Grand Canyon. It takes 18 seconds to hit the bottom. Calculate how deep the canyon is.
  95. Math

    What would be the present value of $365 a year for 20 years at a 14 % discount rate.
  96. Finance

  97. 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
  98. Algebra

    What values for θ (0≤θ≤2π) satisfy the equation 2cos θ+1=-cos θ?
  99. Chemistry

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

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


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