August 26, 2011

  1. sara

    find the period of: y= -(1/2)cos3x)
  2. algebra

    what is 21/24 reduced to lowest terms
  3. trig

    use trig identities to rewrite: (1/(1-cos4v))-(1/(1+cos4v))
  4. physics

    A salamander of the genus Hydromantes captures prey by launching its tongue as a projectile: The skeletal part of the tongue is shot forward, unfolding the rest of the tongue, until the outer portion lands on the prey, sticking to it. Figure 2-36 a2- . a1-
  5. geometry

    Given the coordinates of one endpoint of line segment AB and its midpoint M, find the coordinates of the other endpoint. A(0,9), M(2,5)
  6. math

    AA+BB+CC=ABC What number does ABC represent?
  7. central gwinnette

    If disclosure of PHI is permitted under HIPAA, what is disclosed?
  8. calculus

    a farmer has a 1500 feet of fencing in his barn.he wishes to enclose a rectangler pen,subdivided in two regions by a section of the fence down the middle,parallel to one side of the rectangle.express the area enclosed by the pen as a function of its width
  9. calculus

    a piece of wire 12 inches long is to be used to form a square and or a circle.determine a function that expresses the combined area of both figures.what is its domain?
  10. physics

    Rutvi tosses a ball upwards with an initial velocity of 12.0 m/s. What is the acceleration of the ball 3.1 seconds after she threw it?
  11. calc

    a 1 mile racetrack has two semicircula ends connected by straight lines.express the area enclosed by the track as a function of its semi circular radius.determine its domain.
  12. calc

    a 1 mile racetrack has two semicircula ends connected by straight lines.express the area enclosed by the track as a function of its semi circular radius.determine its domain.
  13. calc

    a closed box has a base twice as long as it is wide.if its volume is 100 in cubed,express its surface area as a function of the width x of its base.
  14. calc

    an open box is to be made from a 4 ft by 5 ft piece of cardboard by cutting out squares of equals sizes with width x ft from the four corners and bending up the flaps to form sides.express the volume of the open box as a function of x what is the domain of
  15. calc

    a cylindrical container with a circular base has a surface area of 64ft squared.express its volume as a function of its radius
  16. calc

    water is stored in a tank in the shape of an interval cone of height 10ft and diameter 6ft.express the volume of water in the tank as a function of the height h of the water level.
  17. calc

    a machine can produce 12 clay figure per hour.it costs $750 to set up the machine and $6 per hour to run the machine.each clay figure requires $2 of material to produce.if each clay figure will sell for $10 charged,express the revenue cost,and profit in
  18. statistics

    You have been approached by the editor of gentlemen's magazine to carry ot a research study. The magazine has been unsuccessful in atracting shoe manufacturers as advertisers. When the sales force tried to secure advertising from shoe manufacurers, they
  19. Algebra

    Factorise 4ysquare +24y+36
  20. Chemistry

    If the pressure of 8.0 L of nitrogen gas in a flexible container is decreased to one-fifth of its orginal pressure(at constat teperature)' the volume will now be ?
  21. Chemistry

    A sample of a compound of mercury and bromide with a mass of .389 was found to contain .111g bromine. Its molar mass was found to be 561 g mol-1. What are its empirical and molecular formula. Please detail each step in the process. Thanks in advance!
  22. chemistry

    In a solution of Al2(SO4)3 the Al3+ concentration is .12 M. What mass of Al2(SO4)3 is in 50 mL of this solution. Please explain the steps. Thanks. The Al3+ part confuses me the most.
  23. Life Orientation

    Drug addiction causes ill health?
  24. Chemistry

    Suppose we want to know whether on mixing h2o2 with fe+2,the oxidation of fe+2 to fe+3 will take place or not.
  25. math

    what is the answer240/20multiply6-13plus41
  26. student supervision

    which of the following is a quality of a good supervision? (a)someone who tries to catch students doing wrong (b)someone who enforces rules arbitrarily (c)someomeo who can express thought and ideas clearly(my answer) (d)someone who is always right what is
  27. student supervision

    reminding students of rules and leading them towards self-discipline ia an example of what duty? (a)classroom organization (b)classroom maintenance (c)classroom responsibilities (d)classroom management(my answer) who does most of the talking in a student
  28. Physical Education

    How can an abuser seek help to change their behaviour?
  29. Math

    The expression 9a + 6s is theh cost for a adults and s students to see a musical performance.
  30. algebra

    find the slope and y intercept of the line given equation y=-9/10x-5
  31. chemistry

    nitrobenzene + hono2 on dilution with h2so4 gives ?
  32. chemistry

    h2+I2 is independent of ? 1) temperature 2) concentration 3) catalyst 4) pressure 5) reactants
  33. CHEMISTRY

    IF THE AIR IS 20 DEGREE CELSIUS IT'S HOT, IF THE WATER IS WITH 20 DERGEE CELSIUS IT'S HOTTER THAN AIR, IF STEAM HAS 20 DEGREE CELSIUS IT'S VERY HOT. WHY IS THAT EVEN IF THE TEMPERATURE IS THE SAME?
  34. Chemistry

    Can somebody check my answers? I Failed this test one time already. I do not want to fail it again. 1. When a pair of electrons is shared between two atoms, a covalent bond is said to have formed. Most often, the pair is formed A. by excess valence
  35. science

    Hydrogen burns with blue flame.Oxygen support burning when two atoms of Hydrogen combines with one atom of oxygen forms water this water put off the flames why?
  36. Chemistry

    Can somebody check my answers 1. If a small piece of sodium is dropped into water, it begins to react, forming hydrogen gas and sodium hydroxide. In the equation, 2Na (s) + 2H2O (l) → 2NaOH (aq) + H2 (g), the sodium hydroxide that is formed is a A.
  37. Physics

    at each pulse of a simplified model of a mammalian heart, about 40 grams of blood is accelerated from 0.35 meter per second to 0.45 meter per second during a period of 0.10 seconds. Calculate the magnitude of theforce exerted by the heart.
  38. PHYSICS

    Referring to the diagram, if c = 32 and theta is equal to 57.6 degrees, find the difference in the length of sides a and b. Another words determine the length of side a, determine the length of side b, and then subtract b from a (a - b). (For example if a
  39. physics-mechanics

    a person walks 400m north along one side of a rectangular field and then 300 m along the other side, the walk takes 10 min, calculate the av. velocity of the person?
  40. physics-mechanics

    a person walks 400m north along one side of a rectangular field and then 300 m along the other side, the walk takes 10 min, calculate the av. velocity of the person?
  41. College Algebra

    A merchant blends tea that sells for $5.45 a pound with tea that sells for $2.45 a pound to produce 80 lb of a mixture that sells for $3.95 a pound. How many pounds of each type of tea does the merchant use in the blend? lb (at $5.45/lb) lb (at $2.45/lb)
  42. chemistry

    one gram of magensium is burnt in a closed vessel which contains 0.5 grams of oxygen. which is limiting reactant? what is the amount of mgo formed ?
  43. Pre Cal

    Let the line X-2Y=15 and the circle with equation X^2+Y^2=50 intersect at the points A and B. Algebraically find the coordinates of A and B using the information given.
  44. algebra

    write a point-slope equation for the line with the given slope that contain the given point m=7/2 (-3,4)
  45. math

    Write down an expression for the number of binomial paths which cross a rectangle from the point (0,0) to the point (3n,2m), with n,m > 1, but which are constrained to have a vertex on the point (n,m)?
  46. english

    can i get some 12-16 lined poems?
  47. Physics! - PLEASE HELP

    a little spider monkey (let's call her flo) has stolen a bunch of bananas from her older brother charley and is now running away from him with the bananas in hand. she sees salvation in a long vine and grabs the bottom, hoping to swing away. a) is flo, who
  48. math

    Triangle DEF is similar to triangle PQR. Side DE measures 3, side EF measures 7 and side FD measures 9. Side PQ measures 5x – 25 and side QR measures 6x + 4. Find the value of x.
  49. student supervision

    which of the following is an example of a clerial duty a teacher aide might be asked to do? (a)assist students who are working in a small group (b)supervise an after school detention room (c)maintain classroom files and records(my answer) (d)tutor an
  50. biology

    What are the uses of moist packs?
  51. Health care

    200- to 300-word response to the following: What is the purpose of the agency? What services does the agency perform? How does the agency maintain the integrity of the profession? Whom does the agency support? Identify education, licensure, or
  52. geometry

    Angle C is an inscribed angle of circle P. Angle C measures (-3x - 6)° and arc AB measures (-4x)° . Find x. circle P with points A, B, and C on the circle and inscribed angle A C B drawn Question 4 answers -2 -4 -6 -8
  53. chemistry

    an ideal gas at 75.0 c and 760 .mm hg is contained in a flexible vessel. Its volume is doubled and the pressure remains.unchanged .determine the temperature of the gas as a consequence of these changes
  54. math

    how do you solve 12.4 times 3.08
  55. math

    The population of the US is about 3.02 X 10^8, and the average American uses about 1.5x10^2 gallons of water per day. Could this lake supply the American population with water for 1 day?
  56. Coleman

    Find all the intervals on which the function is concave upward: f(x)=4x^2-x/x^4
  57. Calculus

    Find all the intervals on which the function is concave upward: f(x)= 4x^2-x/x^4
  58. teacher aide language and other barriers

    in an esl classroom teacher aides should prepare themselfs to? (a)learn or become familiar with appropriate language related software programs(my answer) (b)handle all disciplinary measures that arise on behalf of the teacher (c)counsel parents regarding
  59. Calculus

    Find all the points of inflection of the function: f(x)=x^3-3x^2-x+7
  60. maths

    identify and briefly discuss how linear equatins and functions applicable to business administration. Why are these important?
  61. algebra

    3 (x-8)
  62. Sequential and Selection Processing Control Struct

    You are an accountant setting up a payroll system for a small firm. Each line of the table in Appendix G indicates an employee’s salary range and corresponding base tax amount and tax percentage. Given a salary amount, the tax is calculated by adding the
  63. Calculus

    Find the horizontal asymptote for the function: 3x^4-2x^3+7x/x^4/14x-2
  64. teacher aide language and other barriers

    to welcome a new asian student into your classroom it would be approporiate to? (a)greet him or her warmly with a hug (b)have the student introduce himself or herself to the class (c)have the classmates great the new student by saying welcome in the childs
  65. Calculus

    A spherical balloon is inflated at a rate of 10 cubic feet per minute. How fast is the radius of the balloon changing at the instant the radius is 4 feet? And The radius of a circle is decreasing at a rate of 2 ft/minute. Find the rate at which the area is
  66. Math

    Find the cost function if the marginal cost function is dC/dx=2x-15 and fixed costs are $75.
  67. Literacy 4

    Please check my work. Thank you. 1. Government documents in a library are classified according to which of the following schemes? A. Superintendent of Documents B. Government Printing Office C. Dewe Decimal D. Library Of Congress Answer #1 is A 2. You're
  68. Statistics

    Transactional data can be used to partition a customer base into different ‘segments’ based on predominant purchasing patterns. Typical segments might be ‘convenience shoppers’ (customers who buy a lot of ready meals, pizzas, etc.), ‘cooking from
  69. physics for bobpursley

    a little spider monkey (let's call her flo) has stolen a bunch of bananas from her older brother charley and is now running away from him with the bananas in hand. she sees salvation in a long vine and grabs the bottom, hoping to swing away. a) is flo, who
  70. Calculus

    I am having trouble with these 2 problems. Evaluate: (1/x^9)dx Evaluate: (5x^5-4x^3+6x)dx
  71. teacher aide language and other barriers

    to encourage positive self-esteem among students in an anti based classroom you should? (a)encourage equal competition among the sexes as much as possible (b)give rewards that provide instant gratification (c)push all students to be the best they can be
  72. teacher aide language and other barriers

    the best way for a school to demonstrate multicultural awareness is to ? (a)host special ethnic or diversity student assemblies (b)include multicultural content in as many subject areas as possible in mathematics,science etc.(my answer) (c)celebrate ethnic
  73. physics

    Suppose that it takes 10.0 h to drain a container of 5100 m3 of water. What is the "mass flow rate," in kilograms per second, of water from the container?
  74. world history

    The power of the state increased in western europe because of improvements in what
  75. Social Psychology

    How true is this statement? The most significant benefits of interacting with people of different cultures are that you learn about other people and their countries as far as way of living as well as their cultural beliefs. We have a tendency to not
  76. Asteronomy

    If Taurus is now rising at sunset, which constellation will rise at sunset next month?
  77. mathematic

    Verification of algebraic identities geometrically? (x+a)(x=b)=x2 +(a+b)x+ab.
  78. Physics! - PLEASE HELP

    a little spider monkey (let's call her flo) has stolen a bunch of bananas from her older brother charley and is now running away from him with the bananas in hand. she sees salvation in a long vine and grabs the bottom, hoping to swing away. a) is flo, who
  79. algebra

    Find the probability whose odds against are given in the problem. Odds against are 10000 to 1
  80. math

    find the natural domain of the function: f(x)= square root of (x^2-9)(x+5)/x-5
  81. math

    given the point (-9,6), determine the points that are symmetric to this point with respect to the x-axis,the y-axis, and the origin, respectively. I know what the points are I just don't know how you figure out what order their in. (9,-6) (9,6) and (-9,-6)
  82. math

    find the restrictions on the domain and range for: y=square root of 6-2x
  83. math

    g(x)= 1-2x-3, x< or equal to 0. x-18, x>6 find g(6). so I used the first equation. 1/2(6)-3 and I got 0, but that's not the right answer so I'm not sure what I'm doing wrong.
  84. trig

    find the value of x when: x= 5 log base 2 (1/16)+ 8 log base 3 (27)
  85. trig

    If a, b are the solutions of the equation log base 3 (5-2x)+ log base 3 (5+2x)=2 find the value of the product ab.
  86. American History

    what factors led to the failure of Republicans to secure rights for freedmen in the South in the years between 1865 and 1877
  87. FINANCIAL

    Understanding the difference between fixed and variable costs, what area of a health care facility or physician practice do you think would have a greater amount of variable costs than fixed? What would you suggest to lower the fixed costs for the same
  88. angles

    find the largest negative co terminal angle of -417 degrees.
  89. accounting

    what is the journal entry if a owner of a company deposited $15,000 in their checking account. In return they received 1000 shares of common stock in their corporation. The par value of the common stock is $1 per share?
  90. American History

    Put these in chronologica order according to their founding dates: U.S. Children's Bureau, FDA, National Park Service, American Legion, Federal trade commission
  91. teacher aide language and other barriers

    to be truly successful teachers aide in a nonbias culturaley diverse classroom you must? (a)be concerned about and aware of the problems of both minority and nonminority students (b)be particularly sensitive to minoritystudents as many come from unstable
  92. Finance

    shawn bought a home for $100,000. he put 20% down and obtained a mortguage for 30 years at 5 1/2%. what is the total cost of the loan? can you show me how this is worked out?
  93. algebra

    Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $50 of her medical bills, plus 25% of the rest. Under plan B, Giselle would pay the first $150, but only 20% of the rest. For what amount of medical bills will
  94. geometry

    M is the midpoint ofSymbol for segment A B.. Line segment A B, with point M as its midpoint. A M equals M B. Find the coordinates of B given A(3,8) and M(5,4)
  95. Physical Science

    Can someone explain this rule in simple english please? "Rule for addition and subtraction: The rightmost significant figure in a sum or difference will be determined by the least accurate measurement." Example: 18.56 m - 13.2 m __________ 5.36 m = 5.4 m
  96. algebra

    In order to achieve maximum results from aerobic exercises, one should maintain ones heart rate at a certain level. A 45 year old women with resting heart rate of 70 beats per minute should keep her heart rate between 135 and 154 beats per minute while
  97. statistics

    The US Army is allowed only five test firings of the lance missile. The following figures represent number of feet the missiles missed the target by: 26, 147, 35, 63, and 51. Calculate the mean and the median. Which should the army report ?
  98. ville platte high

    what is 1/9(8tt-6)=t+6/18
  99. Macroeconomics

    Which of these are not accurately accounted for by either the income or expenditure methods of calculating GDP for the United States? a. The Brazilian wood that is used for flooring an American house. b. The value of leisure time. c. The loss of enjoyment
  100. physics

    A motorist drives north for 40.0 min at 90.0 km/h and then stops for 15.0 min. He then continues north, traveling 130 km in 2.00 h. (a) What is his total displacement?(b) What is his average velocity?
  101. calculus

    Find all points Q such that (i) d(P,Q)= 5 when P= (3,-3), (ii) the x-coordinate of Q = 6
  102. algebra

    A car is traveling 60 mph. A truck leaves 7 minutes later and is traveling 70 mph. How long before truck will pass car?
  103. Geometry

    Write the negation of each statement. Every student at Hammond High School has a locker.
  104. trig

    Suppose that 0degrees
  105. trig

    Use trigonometric identities to find sec theta, given that tan theta = Radical 5/ 3.
  106. Geometry

    Write the negation of each statement. Every student at Hammond High School has a locker.
  107. English

    Is this properly punctuated? She was admitted for chest pain. The patient was admitted on ___ [DATE], having woke up with discomfort, heavy substernal area and pressure radiating into midscapular areas. Notably, she also felt dizzy this morning and felt a
  108. Geometry

    Write the negation of each statement. All squares are rectangles.
  109. us history

    describe New England in 1700's
  110. chemistry

    vinegar is 5% acetic acid by mass and has a density of 1.02g/mL.what mass of acetic acid ,in grams, is present in 185 mL of vinegar.
  111. Math 116

    Create an equation of a nonlinear function and provide one positive and one negative value for x. Please show steps in how to solve it as well.
  112. VALUES..PLS HELP ME..MS. SUE

    CAN YOU HELP ME TO DISCRIBE ALL THE WORDS BELOW AND PLEASE CAN YOU GIVE EXAMPLES.THANKS A LOT GOD BLESS YOU ALWAYS. PLEASE HELP ME. •Being capable of rational thought nd action – not irrational thought and action. •Being independent – not dependent
  113. math

    The area of a square with a side length of s is s to the second power. What is the area of a square with a side length of 3 inches?
  114. physic

    Fernando tosses a ball upwards with an initial velocity of 12.0 m/s. What is in meters/second the velocity of the ball 4.5 seconds after he threw it?
  115. statistics

    set of data is normally distributed with a mean of 200 and standard deviation of 50. · What would be the standard score for a score of 300? · What percentage of scores is between 200 and 300? · What would be the percentile rank for a score of 300?
  116. ACCOUNTING

    On July 1, 2011 you purchase and pay $36,000 for a three year insurance policy. How much will your insurance expense be this year and during the following three years under the cash and accrual basis methods? At December 31 of each year, how much will
  117. ACCOUNTING

    In your business’s first year in operation you had sales totaling $40,000 and collected $30,000 from your customers. You also incurred $20,000 in expenses but $5,000 of them will not be paid until the following year. Calculate your profit or loss under
  118. VALUES..PLS HELP ME..MS. SUE URGENT PLS.

    Please check my answers if it is correct.thanks a lot.GOD BLESS U ALWAYS. •Being independent – not dependent Independent can stay and live alone without anybody’s help. Can be able to survive for whatever things occurred whether bad or good. •Being
  119. physics

    Kimberly threw a ball downwards with an initial velocity of 8.0 m/s. What is in m/s2 the acceleration of the ball 1.3 seconds after she threw it?
  120. English

    1. She likes summer and others like winter. 2. She likes summer and the others like winter. (Are both grammatical?) 3. The dog and the cat don't like each other. (Does the dog or the can mean the specific dog and the specific cat? Or were they used in
  121. Atomic structure

    explanation of Lanthnum electronic configuration
  122. English

    1. She doesn't like it. Show her another. 2. She doesn't like it. Show her the other. 3. She doesn't like it. Show her others. 4. She doesn't like it. Show her the others. (Are the sentences all grammatical? Which ones are commonly used?)
  123. English

    1. Some said yes and others said no. 2. Some said yes and the others said no. 3. Some said yes and some said no. 4. Some said yes, others said no, and the others were silent. 5. Some said yes, some said no, and the rest were silent. (Would you check the
  124. trig

    Use the appropriate identity to find tan(theta) given that cot theta =0.05.
  125. Geometry

    There is something wrong with this definition for a pair of vertical angles: "If line AB and line CD intersect at point P, then angle APC and angle BPD are a pair of vertical angles. What is wrong??!?
  126. math

    the product of two even consecutive integers is 224. find the integers
  127. math

    the product of two even consecutive integers is 224. find the integers
  128. math

    the product of two even consecutive integers is 224. find the integers