Adriana

Most popular questions and responses by Adriana
  1. 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

    asked on March 2, 2018
  2. 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?

    asked on July 14, 2010
  3. Algebra

    the y-value is four more than twice the x-value

    asked on October 15, 2015
  4. 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

    asked on December 15, 2013
  5. 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

    asked on January 6, 2011
  6. Chemistry

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

    asked on September 28, 2016
  7. 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.

    asked on February 13, 2012
  8. 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

    asked on January 28, 2016
  9. 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

    asked on March 5, 2013
  10. 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

    asked on June 30, 2016
  11. 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

    asked on November 16, 2016
  12. 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?

    asked on December 17, 2012
  13. 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.

    asked on February 13, 2012
  14. 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.

    asked on September 21, 2017
  15. 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

    asked on January 5, 2018
  16. 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

    asked on January 28, 2013
  17. 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.

    asked on January 19, 2011
  18. 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

    asked on January 22, 2016
  19. 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

    asked on January 25, 2016
  20. 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?

    asked on December 17, 2012
  21. 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

    asked on December 9, 2014
  22. 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

    asked on September 16, 2018
  23. 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.

    asked on March 25, 2011
  24. Science

    How does turning off the electrich current in an industrial electromagnetic affect it's magnetic field

    asked on February 11, 2019
  25. 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?

    asked on October 27, 2015
  26. 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.

    asked on November 12, 2012
  27. 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

    asked on December 14, 2016
  28. 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.

    asked on August 29, 2011
  29. geometry

    i need to find the area of the trapezoid 8cm,7cm,3cm,45degrees

    asked on May 27, 2010
  30. 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 .

    asked on November 25, 2012
  31. 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

    asked on November 30, 2014
  32. math

    why are 10.6 the same as 10.60?

    asked on August 21, 2014
  33. Accounting

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

    asked on January 4, 2013
  34. 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

    asked on October 29, 2011
  35. 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

    asked on November 14, 2010
  36. 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?

    asked on May 24, 2017
  37. Math add the polynomials

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

    asked on June 7, 2012
  38. english

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

    asked on October 7, 2011
  39. 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

    asked on October 27, 2016
  40. ALGEBRA

    8^1/3 / 64^1/3

    asked on December 1, 2013
  41. math

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

    asked on March 23, 2013
  42. math multiply

    8xy(x+y) is answer 8x^2y+8xy^2

    asked on June 7, 2012
  43. 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

    asked on February 3, 2012
  44. 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

    asked on January 31, 2012
  45. 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

    asked on December 14, 2014
  46. Geography

    How does location affect climate?

    asked on September 28, 2014
  47. 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

    asked on October 28, 2009
  48. 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

    asked on June 14, 2012
  49. 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?

    asked on September 14, 2008
  50. 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.

    asked on February 3, 2018
  51. 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

    asked on January 28, 2016
  52. 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

    asked on October 14, 2011
  53. Algebra

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

    asked on October 24, 2009
  54. 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

    asked on October 19, 2008
  55. 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

    asked on December 29, 2015
  56. Math

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

    asked on April 17, 2013
  57. math

    what is multiplication sentence in exponent and base

    asked on October 2, 2012
  58. Math Algebra Find the Product

    (4y+5)(4y-5) 16y^2-20y+20y-25 16y^2-25 Am I correct

    asked on June 7, 2012
  59. 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

    asked on January 31, 2012
  60. 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

    asked on March 11, 2009
  61. 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

    asked on October 11, 2008
  62. History

    How did the Constitution address the failures of the Articles of Confederation?

    asked on December 10, 2007
  63. Statistics

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

    asked on December 10, 2014
  64. 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

    asked on November 30, 2014
  65. 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?

    asked on April 22, 2014
  66. math

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

    asked on April 2, 2013
  67. math

    i have a garden 22meters long and 14 meters wide how do i find the area ana the perimeter

    asked on February 13, 2013
  68. SUBTRACT POLYNOMIALS

    (9X+8)-(-7X+9) IS ANSWER: 16X-1?

    asked on June 11, 2012
  69. 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

    asked on June 5, 2012
  70. 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

    asked on May 29, 2012
  71. Math

    ∫sin^5 t/cos^2 t dt

    asked on January 26, 2012
  72. 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)

    asked on September 9, 2011
  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

    asked on July 10, 2011
  74. 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

    asked on October 25, 2009
  75. 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

    asked on June 14, 2012
  76. MGMT640

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

    asked on November 15, 2007
  77. math

    dara has 5 coins in her purse the coins total 40 cents

    asked on January 22, 2013
  78. calc urgent

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

    asked on December 14, 2014
  79. grammar

    Please turn of lights when you go to sleep.

    asked on August 10, 2012
  80. 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

    asked on June 11, 2012
  81. Add the Polynomials

    (9X^3+2X^2-7)+(2X^3-2X+9) IS ANSWER: 11X^3+2X^2-2X+2

    asked on June 10, 2012
  82. 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

    asked on June 10, 2012
  83. math multiply and simplify

    12s^2-9s-4s+3 = 12s^2-6s+3

    asked on June 7, 2012
  84. 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

    asked on June 5, 2012
  85. Algebra for Reiny/Bob

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

    asked on October 25, 2009
  86. math

    how do you ger the square root

    asked on September 16, 2009
  87. MATH

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

    asked on October 29, 2007
  88. English

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

    asked on September 26, 2012
  89. Math Algebra Multiply

    (a+3)^3 is answer: 3a+9a+9 12a+9

    asked on June 11, 2012
  90. Algebra Divide

    x^8+x^5/x Please help im stuck

    asked on June 7, 2012
  91. math algebra

    multiply and simplify (4-z)z =4z-zsquare? can you please let me know if I am correct

    asked on June 7, 2012
  92. 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

    asked on September 11, 2011
  93. 9th grade

    What are the similarities of ozone depletion and uv light

    asked on March 8, 2010
  94. science

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

    asked on May 4, 2009
  95. geography

    what is the capital of burkina faso?

    asked on March 16, 2009
  96. criminal justice

    Describe how criminal resposability can be limited

    asked on March 1, 2009
  1. social studies

    The British blockade had hurt New England's sea trade. Also, many New Englanders feared that the United States might win land in Florida and Canada. If new states were carved out of these lands, the South and the West would become more influential than New

    posted on April 24, 2019
  2. Science

    I know this old, but I did the quiz and I got A as the correct answer for anybody else searching.

    posted on February 14, 2019
  3. Algebra

    Is 20

    posted on October 29, 2018
  4. math

    Matematicas

    posted on September 17, 2018