Vanessa

Popular questions and responses by Vanessa
  1. English

    Write a debate on the topic;Boys should not help in the kitchen.Speak for or against the motion.

    asked on August 14, 2012
  2. Physics

    A box rests on a rough board 10.0meters long. When one end of the board is slowly raised to a height of 6.0meters above the other end, the box begins to slide. 1. What is the coefficient of static friction? 2. Once you have claculated the coefficient of

    asked on February 28, 2018
  3. history

    which describes the most accurate reason why oil wealth affects the stability of the middle east? a. wealthier middle eastern countries are able to use their oil profits to fund armies for self-defense. b. middle eastern nations with unlimited oil/fuel

    asked on July 11, 2019
  4. CHEM 2

    A 23.0% by mass LiCl solution is prepared in water. What is the mole fraction of the water?

    asked on May 10, 2016
  5. Calculus

    A population of 500 E. coli bacteria doubles every 15 minutes. Use this information to find an expression for this population growth. Using this expression, find what the population would be in 87 minutes. Use an exponential model. so we're supposed to use

    asked on July 14, 2008
  6. statistics

    Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite

    asked on April 15, 2014
  7. statistics (10)

    Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $30,000 and $45,000. Assume that a 95% confidence interval estimate of the population mean annual starting salary is desired. What

    asked on April 23, 2014
  8. stats

    Scores on a test are approximately normally distributed with a mean of 70 and a standard deviation of 9. The teacher wants to give A’s to the top 10% of students, B’s to the next 25%, and C’s to the next 42%. a.) what is the bottom cutoff for a C

    asked on April 25, 2016
  9. Language

    What is the rhyme scheme of the above lines? A. abab B. aabb C. aabc•• D. abaa Correct me if I'm wrong!! The Assyr come down like a wolf on the fold, And his cohorts were gleaming in purple and gold. And the sheen of their spears was like stars on the

    asked on February 1, 2016
  10. Math

    A radioactive substance decays according to the formula Q(t) = Q0e−kt where Q(t) denotes the amount of the substance present at time t (measured in years), Q0 denotes the amount of the substance present initially, and k (a positive constant) is the decay

    asked on April 6, 2014
  11. Math

    Carlota Music Company estimates that the marginal cost of manufacturing its Professional Services guitars in dollars/month by the following. This model assumes that the level of production is x guitars/month. C '(x) = 0.007x + 130 The fixed costs incurred

    asked on April 9, 2014
  12. maths

    Kwaku spent 5/8 of his money on food.What fraction of the money will be left?

    asked on August 9, 2020
  13. Calculus

    For the function ƒ(x) = x2 find the slope of secants from the point (2, 4) to each of the following points. (3, __ ) (2.5 , __ ) (2.1 , __ ) (2.01, __ ) (2.001, __ ) Using the pattern from question 1, what do you think the slope of a tangent at the point

    asked on July 10, 2008
  14. Statistics 2

    In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012). Data for the sale of 40 homes in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20

    asked on September 24, 2014
  15. statistics

    A simple random sample of 40 items resulted in a sample mean of 25. The population standard deviation is 5. a. What is the standard error of the mean (to 2 decimals)? b. At 95% confidence, what is the margin of error (to 2 decimals)?

    asked on April 21, 2014
  16. Math

    The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is the probability a sample

    asked on April 16, 2014
  17. Math

    The growth rate of Escherichia coli, a common bacterium found in the human intestine, is proportional to its size. Under ideal laboratory conditions, when this bacterium is grown in a nutrient broth medium, the number of cells in a culture doubles

    asked on April 6, 2014
  18. Chemistry

    If 75 g of ice at 0.0 C were added to 1.5 L of water at 75 C, what would be the final temperature of the mixture?

    asked on November 22, 2010
  19. Math

    Which statements are always true about regular polygons? Select all that apply. All sides are congruent •• Pairs of sides are parallel All angles are congruent •• All angles measure 90 degree Correct me if I'm wrong!!

    asked on February 5, 2016
  20. financ

    All techniques with NPV profile- mutually exclusive projects. Projects A and B, of equal risk. Are alternatives for expanding Rosa Company’s capacity. The firm’s cost of capital is 13%. The cash flows for each project are shown in the following table.

    asked on January 4, 2012
  21. Spanish

    CHECK? ANswers on bottom: A. Choose the correct preterite tense conjugation. t� (dar) das dabas diste B. Choose the correct imperfect tense conjugation. las gatas (ir) iban van fueron C. Choose the correct preterite tense conjugation. Juan (dormir)

    asked on December 17, 2012
  22. Math

    Based on a preliminary report by a geological survey team, it is estimated that a newly discovered oil field can be expected to produce oil at the rate of R(t) = 300t^2/(t^3 + 32)+5 (0 ≤ t ≤ 20) thousand barrels/year, t years after production begins.

    asked on April 14, 2014
  23. Math

    Phosphorus-32 (P-32) has a half-life of 14.2 days. If 200 g of this substance are present initially, find the amount Q(t) present after t days. (Round your growth constant to four decimal places.) How fast is the P-32 decaying when t = 21.5? (Round your

    asked on April 6, 2014
  24. phys science

    1. speed is the ratio of the distance an object moves to a. the amount of time needed to travel the distance** b. the direction the object moves c. the displacement of an object d. the motion of the object 2. a car traveled 60 km in 2 hours, 84 km in the

    asked on January 9, 2018
  25. Science

    1. Calculate the temperature of the parcel at the following elevations as it rises up the windward side of the mountain: (a) 1000 __*F (b) 3000 °C (c) 6000 °C

    asked on November 25, 2011
  26. Algebra

    A total of 556 tickets were sold for the school play. They were either adult tickets or student tickets. There were 56 more student tickets sold than adult tickets. How many adult tickets were sold?

    asked on September 4, 2017
  27. finance

    10. A firm has a beta of 1.2. The market return equals 14 percent and the risk-free rate of return equals 6 percent. The estimated cost of common stock equity is _____ percent. (Please calculate the arithmetic solution and show your work)

    asked on January 11, 2012
  28. multiplied

    when 2.49 is multiplied by 0.17, the result rounded to 2 decimal places is? a 0.04 b 0.42 c 4.23 d .423 e .40

    asked on April 10, 2013
  29. statistics

    The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler

    asked on April 21, 2014
  30. Statistics Emergency please

    People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a)What is

    asked on April 17, 2014
  31. Math

    Skeletal remains had lost 84% of the C-14 they originally contained. Determine the approximate age of the bones. (Assume the half life of carbon-14 is 5730 years. Round your answer to the nearest whole number.)

    asked on April 5, 2014
  32. Technology

    In Which of the following ways can you use test taking tips help you ? You can focus on the information that you need to study •• You will see the answers to the test You will study more You will be less organized Correct me if I'm wrong

    asked on February 2, 2016
  33. Geometry

    Which statement is true? A. All squares are rectangles. B. All quadrilaterals are rectangles. C. All parallelograms are rectangles. D. All rectangles are squares. I thought it was B.

    asked on August 11, 2014
  34. probability

    In a shipment of 11 CD players, two are defective. Find the probability that a sample of 3 CD players will contain no more than one defective one.

    asked on June 18, 2011
  35. Statistics PLEASE HELP ME!

    The Wall Street Journal reported that automobile crashes cost the United States $162 billion annually (The Wall Street Journal, March 5, 2008). The average cost per person for crashes in the Tampa, Florida, area was reported to be $1599. Suppose this

    asked on April 22, 2014
  36. Technology

    Which of the following is not an example of an Objective question? Multiple choice Essay True/false Matching•• Why is it important to recognize the key word in an essay question? It will provide the answer to the essay It will show you a friends answer

    asked on February 2, 2016
  37. Language

    which of the following answer choices contains a metaphor a.his skin was sandpaper •• b. the sun sparked like a diamond c.she wanted to be like the birds and fly away d. they felt free when they ran Correct me

    asked on February 1, 2016
  38. Math

    The average student enrolled in the 20-wk Court Reporting I course at the American Institute of Court Reporting progresses according to the rule below where 0 t 20, and N'(t) measures the rate of change in the number of words/minute dictation the student

    asked on April 9, 2014
  39. Math

    What value of x will make the equation below true? 2x-6=3x+1-x-7

    asked on August 15, 2016
  40. math (8)

    Find the area of the region enclosed by these graphs and the vertical lines x = 3 and x = 5 f(x)=x^2+5 g(x)=1

    asked on April 24, 2014
  41. statistics

    For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. a. To the right of 2.120. (Use 3 decimals.) b. To the left of 1.337. (Use 2 decimals.) c. To the left of -1.746. (Use 2 decimals.) d. To the right of 2.583.

    asked on April 21, 2014
  42. statistics

    Assume a binomial probability distribution has p = .60 and n = 200. c. What is the probability of 100 to 110 successes (to 4 decimals)? d. What is the probability of 130 or more successes (to 4 decimals)?

    asked on April 6, 2014
  43. calculus

    consider g(x)= {a sin x + b, if x ≤ 2pi} {x^2 - pi x + 2, if x > 2pi} A. Find the values of a a b such that g(x) is a differentiable function. B. Write the equation of the tangent line to g(x) at x = 2pi. C. Use the tangent line equation from part B to

    asked on January 4, 2013
  44. algebra 2

    Find two geometric means between 7 and 875

    asked on April 2, 2012
  45. FP/101

    Which of the following is considered an advantage of home ownership? A. You are responsible for all repairs and maintenance. B. Interest paid on the mortgage of your home is tax deductible. C. Mortgage payments are always lower than rent payments. D.

    asked on November 21, 2010
  46. CHEMISTRY

    Hello, I am having trouble balancing this redox reaction WITHOUT using the half-reaction method. I believe this is because not all of the elements are in (aq). BrO3-(aq) + N2H4(g) --> Br-(aq) + N2(g) Br is reduced by a factor of 6. N is oxidized by a

    asked on April 21, 2010
  47. physics

    A jewel thief decides to hide a stolen diamond by placing it at the bottom of a crystal-clear fountain. He places a circular piece of wood on the surface of the water and anchors it directly above the diamond at the bottom of the fountain, as shown below.

    asked on May 16, 2007
  48. statistics

    The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is the probability a sample

    asked on April 15, 2014
  49. Geometry

    Help. PT=5x+3 and TQ=7x-9 Find the value of PT

    asked on August 15, 2013
  50. calculus

    A particle is moving along the x- axis so that its velocity at any time t ≥0 is give by v(t) = (2 pi - 5)t - sin(pi t) A. Find the acceleration at ay time t. B. Find the minimum acceleration of the particle over the interval [0,3]. C. Find the maximum

    asked on January 4, 2013
  51. URGENT, Calculus!

    A science project studying catapults sent a projectile into the air with an initial velocity of 30 m/s. The formula for distance (s) in meters with respect to time in seconds is s = -4.9t2 + 30t. Find the instantaneous rate of change (and thus the velocity

    asked on July 10, 2008
  52. Physics

    A ball is shot vertically upward from the surface of another planet. A plot of y versus t for the ball is shown in the figure below, where y is the height of the ball above its starting point and t = 0 at the instance the ball is shot. The figure’s

    asked on October 2, 2007
  53. science

    Two bulbs each of resistance 2.0 ohms are connected in parallel with a battery. Calculate the current flowing through any of the bulbs if the voltage of the battery is 0.2V

    asked on November 27, 2017
  54. World History

    City-States Essay Assignment In what ways were the Indus Valley people an advanced civilization? In what ways did their civilization compare to an advanced modern civilization today? How is this? The Indus Valley people had great architectures. The yearly

    asked on August 17, 2013
  55. tempertaure question

    the temperature at 8:00am was -6*C. By noon, the temperature had risen by 13*C. what was the temperature at noon? a.-20* b.-6* c.7* d.13* e.other

    asked on April 10, 2013
  56. Physics

    A tennis ball is thrown vertically upward with an initial velocity of +7.0 m/s. What will the ball’s velocity be when it returns to its starting point? The acceleration of gravity is 9.81 m/s^2. Answer in units of m/s AND How long will the ball take to

    asked on September 21, 2011
  57. Chemistry

    mass of empty flask with stopper = 32.634 g mass of flask with water and stopper = 59.479 g density of the water = 0.9973 g/cm^3 mass of water = 26.845 g volume of water = 26.918 cm^3 the flask is then emptied and an unknown substance is added mass of

    asked on October 16, 2007
  58. Physics

    A golfer takes two strokes to putt a golf ball into a hole. On the first stroke, the ball moves 4.0m at an angle 60◦ East of North. On the second, it moves 3.0m at an angle 70◦ South of East. If the golfer had instead hit the ball directly into the

    asked on January 25, 2018
  59. math

    A quart of paint will cover 3/4 of a wall . how many quarts are required to cover four walls of the same size

    asked on July 1, 2015
  60. math

    A samll bar of gold measures 40 mm by 25 mm by 2 mm. One cubic millimeter of gold weighs about 0.0005 ounce. Find the volume in cubic millimeters and the weight in ounces of this small bar of gold. Thank you!

    asked on April 28, 2015
  61. statistics; emergency please help me

    Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). c. P(z -1.5) d. P(z -2.5)

    asked on April 8, 2014
  62. Grade 10 Math

    The Brooklyn Bridge in New York City is a suspension bridge that crosses the East River and connects Brooklyn to the island of Manhattan. If the origin is placed at the top of one of the cable suport towers, as shown, the shape of a cable that supports the

    asked on February 3, 2013
  63. Math

    The perimeter of a pool table is about 7.8m. Four times the length equals nine times the width. What are the dimensions? I need to find 2 equations first. I got 2l + 2w= 7.8 I cant seem to get the other one

    asked on September 16, 2012
  64. chemistry

    calculate the theoretical weight of sodium borohydride need to reduce 50 mg of benzil

    asked on February 16, 2012
  65. Art

    Which of these is the best definition of freedom of expression? A. expression that doesn't cost anything to have or share B. Uncensored speech,Art, or other means of communication •• C. Wild, uncontrolled expression of ideas D. Information and ideas

    asked on February 4, 2016
  66. English

    In three to five sentences, explain how Ambrose Bierce's use of foreshadowing or flashback influences "An Occurrence at Owl Creek Bridge."

    asked on December 20, 2014
  67. *math (6)

    The quantity demanded x (in units of a hundred) of the Mikado miniature cameras per week is related to the unit price p (in dollars) by p = −0.2x^2 + 220 and the quantity x (in units of a hundred) that the supplier is willing to make available in the

    asked on April 23, 2014
  68. statistics

    The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is the probability a sample

    asked on April 14, 2014
  69. statistics

    Collina’s Italian Café in Houston, Texas, advertises that carryout orders take about 25 minutes (Collina’s website, February 27, 2008). Assume that the time required for a carryout order to be ready for customer pickup has an exponential distribution

    asked on April 9, 2014
  70. statistics

    Assume a binomial probability distribution has p = .60 and n = 200. a)What are the mean and standard deviation (to 2 decimals)? b)Why can the normal probability distribution be used to approximate this binomial distribution? c)What is the probability of

    asked on April 5, 2014
  71. Math

    A radioactive substance decays according to the formula Q(t) = Q0e−kt where Q(t) denotes the amount of the substance present at time t (measured in years), Q0 denotes the amount of the substance present initially, and k (a positive constant) is the decay

    asked on April 5, 2014
  72. Math

    Right triangle ABC is similar to triangle XYZ. If the length of side AB is 30 inches, the length of side BC is 60 inches, and the length of side YZ is 10 inches, what is the length of side XY? A.4 B.7 C.6 D.none of above

    asked on March 17, 2012
  73. finance

    28. Ag Silver Mining, Inc. has $500,000 of earnings before interest and taxes at the year end. Interest expenses for the year were $10,000. The firm expects to distribute $100,000 in dividends. Calculate the earnings after taxes for the firm assuming a 40

    asked on January 12, 2012
  74. Finance

    Your firm has the option of making an investment in new software that wil cost $130,000 today and is estimated to provide the savings shown in the table over5 years. year savings estimate 1 $35,000 2 50,000 3 45,000 4 25,000 5 15,000 should the firm make

    asked on December 17, 2011
  75. physcis

    a particle moving at a velocity of 6 m/s in the positive x direction is given an acceleration of 3.9m/s^2 in the positive Y direction for 3.4s. what is the final speed of the particle? answer in units of m/s

    asked on December 11, 2010
  76. chem

    What mass of copper(II) nitrate would be produced from the complete reaction of 25.1 g of copper, according to the chemical reaction shown below? Cu + 2 AgNO3 ----> Cu(NO3)2 + 2 Ag

    asked on September 15, 2010
  77. MATH

    Given the GCF or LCM, what else do you know about each pair of numbers? a) Two numbers have GCF of 2. b) Two numbers have an LCM of 2. Please and thankyou!

    asked on September 13, 2010
  78. CHEMISTRY

    2NO(g) + O2(g) --> 2NO2(g) Derive the theoretical rate law and indicate whether or not this is a possible mechanism for the above reaction: (1) 2NO(g) * N2O2(g) (fast) (2) N2O2(g) + O2(g) --> 2NO2(g) (slow) Extra Info: This reaction is third order overall.

    asked on April 25, 2010
  79. design.

    pls help me answer this question. thank you:) youre repairing an armhole seam in a turtleneck used primarily for skiing.The stitching has come loose because of the extra movement.What type of hand stitch do you use? A.backstitch B.slipstitch C.running

    asked on December 15, 2009
  80. physics

    A boat can travel at a speed of 8km/h in still water on a lake.In flowing water of a stream, it can move at 8km/h relative to the water in the stream.If the stream speed is 3km/h, how fast can the boat travel upstream and downstream?

    asked on October 8, 2008
  81. Maths

    A flugpole and a building stand on the same horizontal level. From the point P at tue bottom of the building, the angle of elevation of the top of the flogpole is 65 degree from the top Q of the building the angle of elevation of the point T is 25 degree.

    asked on February 28, 2020
  82. math

    during the snow storm last week, Walter Meteorologist reported that in the first hour of the storm it snowed two and one-half inches. In the second hour, he reported two and three-fourths inches had fallen. In the third hour he reported two more inches.

    asked on October 28, 2019
  83. physical science

    objects in free fall near the surface of earth experience a. constant speed b. constant velocity c. constant acceleration d. constant distance

    asked on January 10, 2018
  84. Physics

    What acceleration would a 35 KG box have if we pushed it with a force of 275 N across a surface that has a coefficient of friction of .7?

    asked on December 14, 2017
  85. Chemistry

    rank the compounds below in order of increasing vapor pressure at 298 K? A) c3h6 B) c4h8 C) c5h10

    asked on December 12, 2016
  86. ELA

    What are the differences and similarities between Sal And Phoebe???

    asked on October 18, 2016
  87. Art

    an environment artist created a piece in protest of trash. Anticipation negative public reaction, the artist decided to display the work anyway. what is the most likely reason? A. The artist believed that the purpose of the work was to stir up awareness B.

    asked on February 5, 2016
  88. Math

    What is the probability of getting either blue or freen on a spinner that is 3/10 green and 1/5 blue? I added 3 and 1 and got 4. So is my answer 4/10 ?

    asked on October 9, 2015
  89. statistics 2

    In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012). Data for the sale of 40 homes in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20

    asked on September 24, 2014
  90. Accouning 7

    Job 31 has a direct materials cost of $300 and a total manufacturing cost of $900. Overhead is applied to jobs at a rate of 200 percent of direct labor cost. Use the relationships among total manufacturing costs, conversion cost, and prime cost to

    asked on September 9, 2014
  91. Accounting 3

    Wheeler’s Bike Company manufactures custom racing bicycles. The company uses a job order cost system to determine the cost of each bike. Estimated costs and expenses for the coming year follow: Bike parts $350,000 Factory machinery depreciation $55,000

    asked on September 9, 2014
  92. Accounting 2 PLEASE HELP ME!

    Cambridge Manufacturing Company applies manufacturing overhead on the basis of machine hours. At the beginning of the year, the company estimated its total overhead cost to be $325,000 and machine hours to be 25,000. Actual manufacturing overhead and

    asked on September 9, 2014
  93. Physics

    What is the connection between Weber’s Law, Fechner’s Law, and Steven’s Power Law

    asked on September 6, 2014
  94. statistics (4)

    For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. a. To the right of 2.120. (Use 3 decimals.)

    asked on April 22, 2014
  95. Math

    Find the average value of the function f over the interval [-1, 2]. f(x)=1-x^2

    asked on April 15, 2014
  96. Math

    Evaluate the following definite integral. sqrt(11 x)(sqrt(x) + sqrt(11)) dx between(0,1)

    asked on April 10, 2014
  97. Math

    The length (in centimeters) of a typical Pacific halibut t years old is approximately f(t) = 190(1 − 0.955e−0.25t). (b) How fast is the length of a typical 9-year-old Pacific halibut increasing? cm/yr (c) What is the maximum length a typical Pacific

    asked on April 7, 2014
  98. biology

    If a person with Down syndrome marries a person without Down syndrome, is it possible for their child not to have Down syndrome? I assume that there is a 50% chance that they could have a child that will not have down syndrome. Is this correct?

    asked on October 30, 2013
  99. grade 11 biology

    Consider a germ cell of a person with Down syndrome(Trisomy 21). Explain what is happening with the arrangement of chromosome 21 inside the cell during interphase 1, Anaphase 1, Telophase 1, telophase 11. Please help, I am really stuck on this. Thank you

    asked on October 30, 2013
  100. anthropology

    Throughout the 19th century, stereotyping of work by sex had restricted women's employment. (Woloch, 2002). Is this a quote or paraphrasing?

    asked on June 25, 2013

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