1. Calculus

    Part I The change in annual revenue in thousands of dollars for the Ozark Zip Line Corporation has been modeled by the function. R(x) = 8.2x^2 + 23.1x where x is the number of years after 2000. To find the total revenue gained between the years 2002 and
  2. Algebra

    A line intersects the graph of y= x^2 twice. One point has an x- coordinate of -4, and the other point has an x-coordinate of 2. A) Draw a sketch of both graphs, and find the equation of the line. B) Find the measure of the angle that the line makes with
  3. Algebra

    A line intersects the graph of y= x^2 twice. One point has an x- coordinate of -4, and the other point has an x-coordinate of 2. A) Draw a sketch of both graphs, and find the equation of the line. B) Find the measure of the angle that the line makes with
  4. Physics

    A 8.38g bullet is fired into a 4.60kg block suspended as in the figure. The bullet stops in the block, which rises 15.0cm above its initial position. Find initial speed of the bullet.
  5. math question

    hi, i have a math question that i need help with: when data are non-numerical but can be ordered, such as letter grades, the mean cannot be calculated directly; but both the median and mode can be found. Last year in Ms. Flag's history course, the final
  6. physics

    A 7.0-g bullet is fired into a 1.5-kg ballistic pendulum. The bullet emerges from the block with a speed of 200 m/s, and the block rises to a maximum height of 12.3 cm. Find the initial speed of the bullet?
  7. Mid age art history

    I have a project on the early Christian catacombs. I have to describe the elements of (line, shape,value, etc)and compare these catacombs to Byzantine and Islamic architectural structures of the same time. Can anyone help me find some pictures or articles
  8. Social Studies

    In which h economic situation would interest rate decrease? Most people are saving rather than buying houses••• Average families are choosing to invest in new businesses High consumption is driving a surge in the services sector Increased job
  9. math

    Four years from now Emily will be as old as Cathy is now. Seven years ago, the sum of their ages was 22. Write a system of equations to model this situation and solve it using substitution to determine how old the girls are now.
  10. word problem

    a woman age and her son added to 45, 5 years ago the woman was 6 times as old as her son. how old was the woman when the son was born.
  11. Math for Professionals

    You find that a small business loan in the amount of 50,000 is the amount you need to purchase the restaurant location. After researching banks to find the best interest rate, you find that banks for small businesses offer the best interest rate of 9%
  12. Physics

    Blocks of mass 4, 8, and 24 kg are lined up from left to right in that order on a frictionless surface so each block is touching the next one. A rightward-pointing force of magnitude 15 N is applied to the left-most block. a.)What is the magnitude of the
  13. Social Studies

    I'm doing an ABC book with words from the Medieval Ages, and I can't find any word that starts with X. I've been searching online, but I haven't found any.. Help?
  14. Please help quick!!!!! History

    Name and describe three facets of modern business that have their origins in trade practices during the Middle Ages? I have looked at my book over and over again and i can not find anything. can some one just please name them that is all i need!
  15. Algebra

    The selling prices of houses in a city during one year were normally ditributed with a mean of $259,000 and a standard deviation of $15,000. Which of the following is closest to the percentage of the homes that had a selling Price between $244,000 and
  16. Chemistry

    Geologists can estimate the age of rocks by their uranium-238 content. The uranium is incorporated in the rock as it hardens and then decays with first-order kinetics and a half-life of 4.5 billion years. A rock is found to contain 82.7% of the amount of
  17. Geometry

    An exterior angle of an isosceles triangle has measure 150°. Find two possible sets of measures for the angles of the triangle. If the exterior angle of the bases is 150°​, then the measure of the angle of each base is _° and the measure of the vertex
  18. Algebra 1a

    are a total of 70 houses available. Use x to represent floor plan #1 and y to represent floor plan #2. Write an equation that illustrates the situation
  19. statistics

    The data set for the study is a sample of a survey conducted on the population of the American Intellectual Union (AIU). It is available via the following link: Excel 2007 DataSet with DataSet Key which contains the following nine sections of data that
  20. statistics

    The data set for the study is a sample of a survey conducted on the population of the American Intellectual Union (AIU). It is available via the following link: Excel 2007 DataSet with DataSet Key which contains the following nine sections of data that
  21. MATH

    We now have d dx [x5 + y8] = 5x4 + 8y7y' = d dx [9] = 0. Rearranging this, we get 8y7y' = ?????????? ------------------------------------- A table of values for f, g, f ', and g' is given. x f(x) g(x) f '(x) g'(x) 1 3 2 4 6 2 1 8 5 7 3 7 2 7 9 (a) If h(x)
  22. math please help

    A (4,3) B (3,-3) c (-4,5) Find the slope of AB, BC, and AC. Find the tangent of each angle and their angle measure (inv. tan) using: tan of an angle =m2-m1/1+m1m2 m2 being the slope of the terminal side (measuring counterclockwise) the triangle looks like
  23. persuasive essay

    Why Americans should not count on Social Security for retirement. Even though Social Security may always have enough funds to support itself, Americans need another form of retirement funding in addition to Social Security. Americans cannot live on Social
  24. persuasive essay

    Why Americans should not count on Social Security for retirement. Even though Social Security may always have enough funds to support itself, Americans need another form of retirement funding in addition to Social Security. Americans cannot live on Social
  25. algebra

    A person’s maximum heart rate is the highest rate, in beats per minute, that the person’s heart should reach. A person’s age added to his or her maximum heart rate is 220. Write and solve an equation to find the maximum heart rate of a 16-year old.
  26. physics

    a bullet of mass of 12 grams is fired into a large block of mass 1.5 kg suspended from light vertical wires. the bullet imbeds in the block and the whole system rises 10 cm. find the velocity of the bullet just before the collision.
  27. Statistics

    Starting with the data values 70 and 100, add three data values to the sample so that the mean is 81, the median is 94, and the mode is 94. Please show all of your work.
  28. Math

    step by step solution of A motorist drives 80km at an average speed of 63km/h.which average is this:mean,median or mode?
  29. statistics

    write a data set that fits the following description. there are 7 numbers in the data set the minimum is 17 the range is 45 the median is 32 the mode is 41
  30. Statistics

    Starting with the data values 70 and 100, add three data values to the sample so that the mean is 96, the median is 97, and the mode is 97. Please show all of your work
  31. math--fast please

    If I have a polygon with x+2y sides, how do I find the interior and eterior angle? I know that to find the interior angle you use 180(x-2) and for the exterior you use 360/x. But do i just plug in x+2y for every x? I'm lost 180(x-2) gives you the SUM of
  32. History

    European countries sought new territory and expanded trade markets during the Age of Exploration (1). In particular, when the Ottoman Empire seized control of Constantinople (modern-day Istanbul, Turkey), it blocked European trade ships traveling to Asia
  33. Math

    Richard brought a new car for $39905. He made a down payment of $15000 and payments are $614 monthly for 4 years. At the end of 30 months he was able to payoff the loan using the Rule 78 a. Find he unearned interest b. Find the payoff
  34. math

    . Cimarron Homes Inc. purchased a snow plow for $57,000 and financed the full amount for 5 years at an annual simple interest rate of 9%. a. Find the interest due on the loan. b. Find the monthly payment
  35. AP Statistics

    The ages of the Oscar-winners for best actor and actress for the years 1970 through 1990 are given below: Women: 34,34,26,37,42,41,35,31,41,33,30,74,33,49,38,61,21,41,26,80,72 Men: 43,40,48,48,56,38,60,32,40,42,37,76,39,55,45,35,61,33,51,32,42 Use what you
  36. Statistical Math

    Starting with the data values 70 and 100, add three data values to the sample so that the mean is 90, the median is 91, and the mode is 91. Please show all of your work.
  37. Math

    Make up a data set of at least 12 numbers that have the following landmarks Maximum 18 Mode 7 Range 13 Median 12 Make a bar graph of the data
  38. Math

    Construct a stem and leaf plot with the following data landmarks there should be at least 12 data entries in your plot median: 57 minimum: 42 maximum: 78 mode: 60
  39. Math

    The box plots below show the average daily temperatures in January and December for a U.S. city: two box plots shown. The top one is labeled January. Minimum at 0, Q1 at 10, median at 12, Q3 at 13, maximum at 16. The bottom box plot is labeled December.
  40. math

    The box plots below show the average daily temperatures in January and December for a U.S. city: two box plots shown. The top one is labeled January. Minimum at 0, Q1 at 10, median at 12, Q3 at 13, maximum at 16. The bottom box plot is labeled December.
  41. physics. need help fast

    A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table.
  42. PHYSICS NEED HELP FAST

    A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table
  43. PHYSICS NEED HELP FAST

    A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table.
  44. PHYSICS NEED HELP FAST

    A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table.
  45. math

    write a set of data with this following description there are 7 numbers in the data set the minimum is 17 the range is 45 the median is 32 the mode is 41
  46. Plz help me Sue!!

    Starting with the data values 70 and 100, add three data values to the sample so that the mean is 81, the median is 91, and the mode is 91. How do i do this??
  47. geometry

    Triangle NQP is an equilateral triangle with the measure of angle N=5x-2y and the measure of angle P=x+2y. Find the values of x and y.
  48. math

    Two angles are complementary. THe sum of the measure of the first angle and one forth of the second angle is 58.5 dagrees. Find the measure of the angles.
  49. math

    .An angle is 10° more than the measure of its complement. Find the number of degrees in each angle.The angles measure _ degrees.
  50. Geometry

    If the measure of FGK =4w+4 and the measure of FGH= 136, find w. FGK is the whole angle. GK bisects and FGH.
  51. Math(Please Help!!!)

    Triangle NQP is an equilateral triangle with the measure of angle N=5x-2y and the measure of angle P=x+2y. Find the values of x and y.
  52. math

    Given a right triangle ABC, if the measure of angle B=30 degrees, the measure of angle C=90 degrees, and AB=5cm, find AC
  53. geometry

    Two lines intersect to form two pairs of vertical angles.Angle 1 with measure (20x + 7) degrees and angle 3 with measure (5x + 7y + 49) degrees are vertical angles. Angle 2 with measure (3x - 2y + 30) degrees and angle 4 are vertical angles.Find the values
  54. Physics

    A block of mass m = 2.00 kg rests on the left edge of a block of mass M = 8.00 kg. The coefficient of kinetic friction between the two blocks is 0.300, and the surface on which the 8.00- kg block rests is frictionless. A constant horizontal force of
  55. math

    Which of the following is a subset of set A? A: {children between the ages of 3 and 7} a.children over 7 b.children3 years old c.children of all ages d.children under 3
  56. English

    I forgot to include these last two sentences. 1) Slaves worked either on sugar cane plantations (better of sugar cane) or in their masters' houses. If they rebelled, they could have an ear cut off or be killed. 2) For them the only way to escap ws the
  57. gov

    two-thirds majority of both houses. is that 2/3 of house + 2/3 of senate or 2/3 of house + senate It means 2/3 of both the house, and the senate. bob, i'm still a little confused. is it my first answer or the second? It is 2/3 of each part of Congress. It
  58. math

    abbi invested 1,500 dollars in a certificate of deposit with a simple interest rate of 4 percent. find the interest earned in 6 years. then find the total of principal plus interest
  59. Calc II

    Carbon-14 has a half-life of 5700 years. The charcoal from a tree killed in the volcanic eruption that formed Crater Lake in Oregon contained 59.5% of the carbon-14 found in living matter. Approximate the age of Crater Lake.
  60. mathematics

    john is 4 years older than david and joe is 2 years younger than david . if the sum of their ages is 41. how old will john be in 8 years time?
  61. physics

    In Figure 8-50, a block slides along a track from one level to a higher level after passing through an intermediate valley. The track is frictionless until the block reaches the higher level, where a frictional force stops the block in a distance d. The
  62. physics

    A 710 gram block is released from a height h above an ideal spring of spring constant 400 N/m. The block sticks to the spring, and comes momentarily to rest after compressing the spring by an amount of 18.7 cm. DropOnSpring (a) What is the value of the
  63. statistics

    For the following scores, find the (a) mean, (b) median, (c) sum of squared deviations, (d) variance, and (e) standard deviation: 1,112; 1,245; 1,361; 1,372; 1,472
  64. human growth and development

    Generally,as adults age from middle age onward: a)crystallized intelligence declines,and fluid intelligence remains the same or improves b)both crystalized and fluid intelligence decline c)fluid intelligence declines,and crystallized intelligence remains
  65. American Gov

    Under Article V of the U.S. Constitution there are two ways to propose an amendment to the Constitution: by a two-thirds (2/3) vote of both houses of Congress, or by a national convention called by Congress at the request of two-thirds (2/3) of the state
  66. Scoiolgy

    Tony is five years of age. He loves to dress up like the Lone Ranger and pretend to help people in need. According to Mead's theory, what stage best describes Tony's behavior? A. The imitation stage B. The game stage C. The play stage D. The fantasy stage
  67. Physics

    The figure is just mass A on top of mass B. There are no forces or anything shown. Block A, of mass 3.2 kg, is on block B, of mass 7 kg, as shown in the above figure. The lower block is on a frictionless surface while the coefficient of static friction is
  68. math

    User: Ariana Bouillon In Course: M/J Mathematics 2 V9 ( 2820) Instructor: Mrs. Susan Lafferty 08.03 Experimental Probability Warning: There is a checkbox at the bottom of the exam form that you MUST check prior to submitting this exam. Failure to do so may
  69. Calculus Help

    Let P(t) be the percentage of Americans under the age of 18 at time t. The table gives values of this function in census years from 1950 to 2000. (I didn't put the table here because it will not display well so the table has basically t as time from 1950
  70. History

    Which conclusion is best supported by New Mexico's overall population trend since World War II? A)New Mexico cannot manage its water scarcity problems. B)New Mexico has constructed few new houses or businesses. C)New Mexico offers many employment
  71. stats

    If 95% of all people between 21 and 50 have had at least one adult beverage in their life, find these probabilities for a sample of 10 people in that age group: a) Exactly 10 have had an adult beverage b) At least 6 have had an adult beverage c) At most 8
  72. Statistics

    Starting with the data values 70 and 100, add three data values to the sample so that the mean is 81, the median is 91, and the mode is 91. How do i do this??
  73. statistics

    Starting with the data values 70 and 100, add three data values to the sample so that the mean is 96, the median is 97, and the mode is 97
  74. TRIG

    Can someone please help me? Use identities to find the indicated value for each angle measure. sin θ = 12/13, cos θ > 0 Find cos (2θ).
  75. Math

    Consider the equation below. (Round the answers to three decimal places. If you need to use -infinity or infinity, enter -INFINITY or INFINITY.) f(x) = 9 sqrt(xe*^(-x) (a) Find the interval on which f is increasing. ( , ) Find the interval on which f is
  76. intermediate algebra

    1. Two numbers differ by 8. If one-half the larger is added to one-fourth the smaller, the resulting sum is 22.Find the numbers. 2. Ten years ago a man was three times as old as his son. In 12 more years the son is three-fifths as old as his father. How
  77. maath

    The accompanying tree diagram represents a two-stage experiment. (Let x = 0.45, y = 0.55, r = 0.65, s = 0.35, t = 0.4, and w = 0.6.) Use the diagram to find the following probabilities. (Round your answers to three decimal places.) (a) Find P(A) · P(D |
  78. Pre calculus

    Find all roots f(x)- x^3+2x^2-15x+30 Factor f(x) completely. I can't find any roots and always get a remainder with 1, -1, 2, -2 What do you do if you cannot find a root?? Using Calc button on ti84 I got X= -5.619 Y=1.4E-11 Still can't find zeros...
  79. algebra

    a premature baby weighs only 3 pounds, 2 ounces at birth. After 16 days in intensive care, the baby has gained 22 ounces. Measure the babys age in days and weight in ounces. Assume the baby continues to gain weight at this same rate and a month has 30
  80. Physics

    A block with mass M rests on a frictionless surface and is connected to a horizontal spring of force constant k, the other end of which is attached to a wall. A second block with mass m rests on top of the first block. The coefficient of static friction
  81. Physics

    A 6.2 g bullet is fired into a 2 kg ballistic pendulum. The bullet emerges from the block with a speed of 281 m/s, and the block rises to a maximum height of 15 cm . Find the initial speed of the bullet. The acceleration due to gravity is 9.8 m/s 2 .
  82. solid mensuration

    a certain city block is in the form off parallelogram. two of it's side are each 225 meters long, the other two sides are each 145 meters long. if the distance between the first two pair is 80 meters. find the area of the land in the block and the length
  83. Physics

    diagram: big triangle mass m with the square angle bottom left and angle theta bottom right.no frition with the horizontal surface. Above that triangle a similar triangle mass m with a shorter hypothenuse (square angle top right, angle theta top left, no
  84. Math: Calculus

    Find the smallest positive value of which satisfies -- x=4.100cos(2.800x) Give the answer to four places of accuracy._________ Remember to calculate the trig functions in radian mode.
  85. Statistics

    A test given to a class of students revealed that most did quite well, and only a few did very poorly. How would you describe the distribution of test scores? Would you want to report the mean, median, or mode for this distribution? Please explain the
  86. MATH FIFTH GRADE MATH!!!!!!!!!!!!!!!!!!

    WHICH DATA LANDMARK BEST REPRESENTS THE NUMBER OF HOURS A TYPICAL STUDENT WATCHES TV-------------------- THE MEAN, MEDIAN, OR MODE
  87. statistics

    I don't understand how to answer this: relate the three measures of central tendency to a normal distribution- I looked it up online and it said that the mean, median, and mode are all the same but i don't understand how that can be
  88. math

    ms.joliet gave a math quiz to see how her small group was doing. what score would make the median 90, the mode 85, and the range 20 if she had the numbers listed below 85,85,90,?,100,85,80,100,90
  89. statistics

    the average number of years a person takes to complete a graduate degree program is 3. the standard deviation is 4 months. Assume the variable is normally distributed. If an individual enrolls in the program, find the probability that it will take. a) More
  90. Physics

    A 17.9 kg block is dragged over a rough, hor- izontal surface by a constant force of 74.1 N acting at an angle of angle 32.3◦ above the horizontal. The block is displaced 72.4 m and the coefficient of kinetic friction is 0.242. Find the work done by
  91. geometry

    find the measure of diameter AC if BP = x and AC= 5x-6
  92. Geometry

    Find the measure of each angle (x + 1) (4x - 56)
  93. Geometry

    Given that R is between S and T, find each missing measure. RS=6, TR=4.5, TS=?
  94. math

    Find the measure of JDB /J / 4x+5 / 2X+10 ------------/-----------B D
  95. Math

    How do you find a measure of a triangle?
  96. Statistical Analysis

    The data set for our course is a sample of a survey conducted on the population of the American Intellectual Union (AIU). It is available via the following link: DataSet with DataSet Key which contains the following nine sections of data that will be used
  97. Geometry

    In triangle XYZ the measure of angle X equals 34 degrees and the measure of angle Z equals 38 degrees find the measure of angle y
  98. Math

    Matt Miller, age 28, takes out $50,000 of straight-life insurance. His annual premium is $418.20. Using the tables in the Business Math Handbook that accompanies the course textbook, determine the cash value of his policy at the end of 20 years. A. $13,250
  99. math

    A. In triangle, the second angle measures twice the first, and the third angle measures 5 more than the second. If the sum of the angles' measures is 180^0, find the measure of each angle. b. The price of a pack of gum today is 63 cent. This is 3 cent more
  100. World history

    Why did Europeans sail across the Atlantic Ocean during the Age of Discovery? (Select all that apply.) A.European explorers tried to find oceanic routes to Asia to trade for spices. B.European explorers wanted to gain wealth and notoriety. C.European