Adriana

Newest questions posted by Adriana
  1. Physics

    While John is traveling along a straight interstate highway, he notices that the mile marker reads 247 km. John travels until he reaches the 137 km marker and then retraces his path to the 164 km marker. What is John’s resultant displacement from the 247
  2. Math

    compare the parent function f(x)=x^2 to the quadractic function f(x)=-2x^2-6. the 6 in the function does which of the following? a.it makes the graph narrower than the parent function. b.it makes the graph wider than the parent function. c.it causes the
  3. Cal 2

    Find the volume of the solid whose base is the region bounded by the x-axis, the curves y=x, y=3x^2, x=0, and x=.333333 and which has the property that each cross section perpendicular to the x-axis is an equilateral triangle.
  4. Math

    Robert won $900,000 in the North Carolina State Lottery. After paying $350,000 in taxes, he invested the remaining money in a savings account with a 4.25% interest rate. How much money is in the account if Robert makes no deposits or withdrawals for two
  5. Geometry

    Explain how you can use a straight edge and a protractor to show that each angle you formed by a bisector is one-half the original angle.
  6. Math

    One lap around a track is one-eighth of a mile. A horse ran a distance of 11 laps in 3 minutes and 30 seconds. What was the horse's average speed in miles per minute?
  7. Math

    The question:Consider a data set of 15 distinct measurements with mean A and median B. (a) If the highest number were increased, what would be the effect on the median and mean? Explain. The mean would remain the same while the median would increase. Both
  8. Stats

    Childhood participation in sports, cultural groups, and youth groups appears to be related to improved self-esteem for adolescents. (McGee, Williams, Howden-Chapman, Martin & Kawachi, 2006). In representative study, a sample of n = 100 adolescents with a
  9. math

    1. Write the statement in parentheses as a conditional and provide the truth value (2 points). "An angle that measures 90° is a right angle." 2. Write the statement in parentheses as a converse and provide the truth value (2 points). "An angle that
  10. Chemistry

    Write a net ionic equation for the overall reaction that occurs when aqueous solutions of potassium hydroxide and oxalic acid (H2C2O4) are combined.
  11. Music

    I want to make sure these answers are right. The answers are put between two stars(*). 1. The overture to A Midsummer Night's Dream is a one-movement work A. famous for the interplay of piano, violin, and cello. B. known for the massive sound of the
  12. Physics

    From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. As the drawing shows, the bullet puts a hole in a window of another building and hits the wall that faces the window. (y = 0.42 m, and
  13. Physics

    As preparation for this problem, review Conceptual Example 10. The drawing shows two planes each about to drop an empty fuel tank. At the moment of release each plane has the same speed of 140 m/s, and each tank is at the same height of 4.00 km above the
  14. Physics

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +0.8 m/s and ax = +0.9 m/s2. The y components of the puck's initial velocity and
  15. Physics

    A Boeing 747 "Jumbo Jet" has a length of 59.7 m. The runway on which the plane lands intersects another runway. The width of the intersection is 25.0 m. The plane decelerates through the intersection at a rate of 5.0 m/s2 and clears it with a final speed
  16. Electrostática

    A linear charge lies on the y-z Plane. Find the electric Flux passing throught the Plane extending from 0 to 1.0m I nerd th is problem solve analytical and in matlab
  17. Physics, science

    a car travels 45 km in 1 hour. in each of the next 2 hours, it travels 78 km. what is the average speed of the car?
  18. Algebra

    the y-value is four more than twice the x-value
  19. calc

    use green's theorem to evaluate the integral of x^2dy where C is the boundary of the rectangle with vertices (0,0),(2,0),(2,3),(0,3) oriented counterclockwise. the answer is 12. can someone please explain
  20. calc urgent

    let P be the portion of the disk x^2 + y^2
  21. Statistics

    why is this sentence false. a statistic is an event computed from a population.
  22. algebra

    The Jaspers collect nickels, dimes, and quarters in a jar. When they count the change in the jar, there are twice as many nickels as there are quarters. If there is $15.30 in dimes and $74.80 in all, how many quarters are there. Please include an equation
  23. statistics

    A 4 to 7 month old baby sleeps an average of 14 hours per day. At this age, babies sleep patterns follow normal distribution with the standard deviation of 1.6 a) is it unusual for a baby to sleep under 12 hours a day? b) In a random sample of 10 babies of
  24. statistics

    A 4 to 7 month old baby sleeps an average of 14 hours per day. At this age, babies sleep patterns follow normal distribution with the standard deviation of 1.6 a) is it unusual for a baby to sleep under 12 hours aday? b) In a random sample of 10 babies of
  25. Geography

    How does location affect climate?
  26. math

    why are 10.6 the same as 10.60?
  27. physics

    The oscillator that generates a wave completes 47 vibrations in 29.2 s. A given crest of the wave travels 382 cm along the rope in a time period of 10.3 s. What is the wavelength?
  28. English

    Consider both Hamlin Garland's "The Return of a Private" and Mark Twain's "The Notorious Jumping Frog of Calaveras County" as works of regionalist fiction. In a response of at least two paragraphs, compare and contrast these stories as examples of
  29. ALGEBRA

    8^1/3 / 64^1/3
  30. Math

    A spool contains 9 meters of ribbon. How many 0.225-meter pieces of ribbon can be cut from the spool?
  31. math

    find the solution of the following system of equations x-y=0 x+y=4
  32. math

    A spherical water tank holds 15000ft^3. What is the diameter of the tank? Use V=pie/6*d^3
  33. Chemistry

    22.) The molar heats of fusion and vaporization for water are 6.02 kJ/mol and 40.6 kJ/mol, respectively, and the specific heat capacity of liquid water is 4.18 J/gC. (1) What quantity of heat is required to melt 25.0 g of ice at 0C? (2) What quantity of
  34. math

    i have a garden 22meters long and 14 meters wide how do i find the area ana the perimeter
  35. Physics PLEASE HELP!

    A spring with an unstrained length of 0.076 m and a spring constant of 2.6 N/m hangs vertically downward from the ceiling. A uniform electric field directed vertically upward fills the region containing the spring. A sphere with a mass of 5.09 10-3 kg and
  36. math

    dara has 5 coins in her purse the coins total 40 cents
  37. Accounting

    good such as milk bread and chesse would problably be costed using what method of inventory costing
  38. Math

    There are 18 bottlenose dolphins at an aquarium. One sixth of the bottlenose dolphins are not adults. How many of the bottlenose dolphins are not adults?
  39. Math

    six friends share 5 small pizzas. Each friend first eats half of a pizza. How much more pizza does each friend need to eat to finish all the pizzas and share them equally?
  40. Tobin School

    the plane goes 700 miles an hour . The car goes 50 miles an hour . How many times faster than the car is the plane .
  41. Biology

    I need to make a cell membrane model out of a tissue box. Can you help me? I need ideas and more information about it.
  42. math

    what is multiplication sentence in exponent and base
  43. English

    Which one does not belong o? On April. December. November. June
  44. grammar

    Please turn of lights when you go to sleep.
  45. factor the trinomial by grouping

    15x^3-9x^2-6x Can someone please show me how to factor completely.. trying to learn how to do factoring
  46. please help math factor trinomial

    y^3-13y^2+36y Can someone please show me step by step that way I can understand. Thank you
  47. Algebra HELP!

    If a sum of money is deposited in a savings account that is paying x percent annual interest (expressed as a decimal), then this sum of money increased by a factor of (1+x)^3 after 3 years. A. multiply this expression B. Evaluate the polynomial expression
  48. Math Algebra Multiply

    (a+3)^3 is answer: 3a+9a+9 12a+9
  49. SUBTRACT POLYNOMIALS

    (9X+8)-(-7X+9) IS ANSWER: 16X-1?
  50. Add the Polynomials

    (9X^3+2X^2-7)+(2X^3-2X+9) IS ANSWER: 11X^3+2X^2-2X+2
  51. Math Algebra

    Determine whether the expression is a polynomial, if it is state how many terms and variables the polynomial contains. then state the degree 7x^2+3x+3
  52. Algebra Divide

    x^8+x^5/x Please help im stuck
  53. Math Algebra Find the Product

    (4y+5)(4y-5) 16y^2-20y+20y-25 16y^2-25 Am I correct
  54. math multiply and simplify

    12s^2-9s-4s+3 = 12s^2-6s+3
  55. math multiply

    8xy(x+y) is answer 8x^2y+8xy^2
  56. math algebra

    multiply and simplify (4-z)z =4z-zsquare? can you please let me know if I am correct
  57. Math add the polynomials

    (7ab+4a2b4)+(a2b4-7ab) The 2 and 4 are on top of the a and b. (sqare #)
  58. Math

    Determine whether the expression is a polynomial, if it is state how many terms and variables the polynomial contains. state the degree -4x-2y-1 the -2 and -1 are above the Y
  59. algebra

    Determine whether the expression is a polynomial. If is is state how many terms and variables the polynomial contains. State the degree -7-1/4x
  60. Comm 215

    Please guideme to which ones are wrong.. Thank you Grammar Part I: True or False 1. The following word group is a FRAGMENT: That movie, one of my favorites. x_True __False 2. The following word group is a FRAGMENT: The local baseball team, needing a good
  61. Rydberg equation

    λ for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value using n1 = 2, and n2 = 6.
  62. chemistry

    λ for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value using n1 = 2, and n2 = 6.
  63. chemistry

    A H atom absorbs a photon with a wavelength of 9.50 × 10^1 nm. If the energy of the final state of the H atom was -8.72 × 10^(-20) J, calculate the energy of the initial state. Express answer in scientific notation
  64. chemistry

    A light photon with a frequency of at least 0.0906 x 10^16 Hz is required to split apart hydrogen bromide according to the equation: HBr(g) --> H(g) + Br(g) Calculate the energy (kJ) required to break apart a mole of hydrogen bromide. Express answer in
  65. chemistry

    A light photon with a frequency of at least 0.0906 ~ 1016 Hz is required to split apart hydrogen bromide according to the equation: HBr(g) ¨ H(g) + Br(g) Calculate the energy (kJ) required to break apart a mole of hydrogen bromide. Express answer in
  66. Math

    ∫sin^5 t/cos^2 t dt
  67. English

    Hi, I'm having trouble understanding this and relating it back to my area of study, "belonging"- "In this regard, Emily Dickinson's poetry repeatedly echoes Voegelin's analyses of consciousness and existence. For Emily Dickinson, to be hman is to BE "the
  68. physics

    A 14 g bullet is fired into a 120 g wooden block initially at rest on a horizontal surface. The acceleration of gravity is 9.8 m/s^2 . After impact, the block slides 6.97 m before coming to rest.If the coefficient of friction between block and surface is
  69. english

    which are stressed syllables in not lured by any cheat of birth
  70. Math

    In the equation ax^2+bx+c=0, one root is the square of the other. Without solving the equation, prove that c(a-b)^3=a(c-b)^3
  71. Math

    If a,b,c are the roots of x^3-2x^2+x-3=0, find the value of (b+c)(c+a)(a+b)
  72. Math

    A man runs to a telephone and back in 15 minutes. His speed on the way to telephone is 15 m/s and his speed on the way back is 4m/s. Find the distance to the telephone.
  73. english

    can someone help me revise/edit my anthropology survey paper Here is my paper attached to the question: Sociology in general, is the study of societies and groups of people that have familiar backgrounds, interests, or institutions. Some examples of
  74. Business Calculus

    A company has operating costs of $2000 per thousand items produced. Its revenue function can be modeled by the equation: R(x)=30x/(x+2)² , where x is measured in thousands of items produced, and C and R are measured in thousands of dollars (so C(x)=2). 1.
  75. Physics

    Four coulombs of positive charge flow from the +6 V positive terminal of a battery to the negative terminal at 0V. What is the charge in potential energy of the charge.
  76. physics

    lake point tower in chicago is the tallest apartment biulding in the united states (although not the tallest biulding in which there are apartments). supose you take the elevator from street level to the roof of the biulding. the elevator moves almost the
  77. Physics

    A man uses a pulley arrangement to lift a heavy crate.He applies a force that is one-fourth the weight of the crate, but moves the rope a distance four times the height that the create is lifted. Is the work done by the man greater than, equal to, or less
  78. Physics

    A 3.0 kg block being pulled across a table by a horizontal force of 80 N also experiences a frictional force of 5 N. What is the acceleration of the block?
  79. geometry

    i need to find the area of the trapezoid 8cm,7cm,3cm,45degrees
  80. 9th grade

    What are the similarities of ozone depletion and uv light
  81. Algebra

    I had to solve the function g of f where f is x^2+1 and g is sq. root of x. I wrote this out as the sq. root of x^2+1. The ^2 and the sq. root canceled each other out, so I was left with x + sq. root of 1. But my book got sq. root of x^2+1. Was the further
  82. Algebra

    I distributed 3x^2+x-10=f(x) to find the zeroes. My book's answer was (3x-5)(x+2). When I distributed this to make sure I got the original function, I got 3x^2-x-10. Is this still an acceptable way to factor it even though the x is negative instead of
  83. Algebra for Reiny/Bob

    The way my book has it is (1/2x^3)-x. Sorry for the confusion
  84. Algebra

    How do you factor 1/2x^3-x so that the zeroes can be found? Thank you-Adriana
  85. math

    how do you ger the square root
  86. science

    list the bodies of water that collects rain when it falls?
  87. geography

    what is the capital of burkina faso?
  88. Math (not specific knowledge, just research)

    For math class, we are planning an indoor carnival. We need to figure out the size of each exhibit and vendor, and make sure all of them fit into the space. We can choose any large indoor space we can think of. I did some research online and chose the
  89. criminal justice

    Describe how criminal resposability can be limited
  90. physics

    A tennis ball has a velocity of 25 m/s and a mass of 57.5 g. After the ball hits a tennis racket, the velocity becomes twice that of the original speed and goes in the opposite direction. What is the force between the ball and the racket if the time that
  91. Math

    I need help on how to solve equations with variables on both sides. 1. 30=8 - 2x 2. 98 - 4b= -11b 3. 3p - 8= 13 - 4p 4. 9 - 2y/7 = y 5. 1/3(12 - 6x) = 4 - 2x
  92. Science

    A scientist is trying to discover a new treatment to stop cancer cells from dividing. In the cancer cells, which of these processes will stop if the treatment is successful?
  93. History

    How did the Constitution address the failures of the Articles of Confederation?
  94. MGMT640

    Given the following information, calculate the return on equity for Chaus, Inc. Return on sales = 5% Total asset turnover = 2 Debt ratio = .73
  95. MATH

    how do you make a circle graph?what are the steps?i am a grade 7 student,I need help. Thanks