Popular questions and responses by alicia
  1. Business Communication

    How can nonverbal communication help you run a meeting? How can it help you call a meeting to order, emphasize important topics, show approval, express reservations, regulate the flow of conversation, and invite a colleague to continue with a comment?

    asked on November 14, 2007
  2. physics

    A bicycle has wheels of radius 0.3 m. Each wheel has a rotational inertia of 0.088 kg× m2 about its axle. The total mass of the bicycle including the wheels and the rider is 79 kg. When coasting at constant speed, what fraction of the total kinetic energy

    asked on July 10, 2012
  3. chemistry

    The density of a 15.00% by mass aqueous solution of acetic acid, CH3COOH, is 1.0187g/mL. What is (a) the molarity? (b) the molality? (c) the mole fraction of each component?

    asked on February 11, 2008
  4. physics

    15 beats are heard in 5 seconds when a piano key and a tuning fork of slightly higher frequency (440 Hz) are struck at the same time. What is the frequency of the sound emitted by the piano key?

    asked on July 9, 2011
  5. 6th grade Math

    Zoya asked the students of her class their baseball scores and recorded the scores in the table shown below: Baseball Scores Score Number of Students 0 1 1 2 2 5 3 3 4 6 5 7 6 9 Based on the table, what is the mean baseball score? 2.5 2.9 3.5****** 4.1

    asked on May 23, 2017
  6. algebra

    B=1/3h(q+z) solve for q

    asked on June 4, 2013
  7. math

    The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.

    asked on April 16, 2016
  8. math214

    A student asks whether a polygon whose sides are congruent is necessarily a regular polygon and whether a polygon with all angles congruent is necessarily a regular polygon. How do you answer?

    asked on February 16, 2010
  9. math 214

    A student claims that if any two planes that do not intersect are parallel, then any two lines that do not intersect should also be parallel. How do you respond?

    asked on February 16, 2010
  10. Physics

    While sitting on a tree branch 12m above the ground, you drop a chestnut. When the chestnut has fallen 2.5m, you throw a second chestnut straight down. What initial speed must you give the second chestnut if they are both to reach the ground at the same

    asked on February 9, 2012
  11. physics

    A pendulum clock has a pendulum shaft made of aluminum which has a coefficient of linear expansion of 24.0*10^-6K^-1. At 22 degrees celsius the period of the swing of the pendulum is 1.00seconds. If the temperature is reduced is reduced by 0.625°C every

    asked on November 27, 2016
  12. Chemistry

    calculate the minimum concentration of ag+ ion that must be added to (or built up in) a 0.140 m Na2CrO4 solution in order to initiate a precipitation of silver chromate. The ksp of ag2cro4 is 1.2 × 10^-12.

    asked on November 20, 2013
  13. physical science

    Riding his bike, Dewayne can start from rest and get going at 12 m/s in 4 seconds. Beth can get going 16 m/s in 5 seconds. Who has a greater acceleration? How do you know?

    asked on February 2, 2011
  14. 8th grade math

    how do you solve this??? 2(x-3)=-x+3+5x i don't get distributing stuff

    asked on December 15, 2009
  15. Algebra

    Use composition of functions to show that the functions f(x) = 5x + 7 and g(x)= 1/5x-7/5 are inverse functions. That is, carefully show that (fog)(x)= x and (gof)(x)= x.

    asked on July 29, 2009
  16. Algebra

    Use synthetic division to find the quotient and the remainder of: (x^3-7x^2+13x+3)/(x-2)

    asked on July 6, 2009
  17. biology

    Identify and explain examples of monomers and polymers in carbohydrates, proteins, and nucleic acids.

    asked on September 29, 2018
  18. Math

    For the discrete random variable X, the probability distribution is given by P(X=x)= kx x=1,2,3,4,5 =k(10-x) x=6,7,8,9 Find the value of the constant k E(X) I am lost , it is the bonus question in my homework on random variables so it must be hard. Many

    asked on March 18, 2018
  19. math

    The sphere has surface area 2058 cm2. Its radius, to the nearest tenth, equals

    asked on May 1, 2014
  20. Math

    An elevator moves at a rate of -5.8 feet per second from a height of 300 feet above the ground. It takes 3 seconds for the elevator to make its first stop. How many feet above the ground is the elevator now?

    asked on September 21, 2013
  21. Chemistry

    A 125-g piece of metal is heated to 288 degrees celsius and dropped into 85.0 g of water at 26 degrees celsius. If the final temperature of water and metal is 58 degrees celsius, what is the specific heat of the metal?

    asked on April 16, 2012
  22. Math

    when // lines are cut by a transveral, alternate exterior angles are congruent. true of false ? Explain please.

    asked on October 28, 2010
  23. Spanish literature

    Hello, in the play Punishment without Revenge there are 2 love triangles one is with the Duke, Cassandra, and Frederico, the question is there is another love triangle are the people in that love triangle Marquis, Aurora, and Frederico also another

    asked on September 27, 2008
  24. Business Communications

    Your boss wants to send a brief email message welcoming employees recently transferred to your department from your Hong Kong branch. They all speak English, but your boss asks you to review his message for clarity. What would you suggest your boss change

    asked on November 14, 2007
  25. Algebra

    Suppose that the x-intercepts of the graph of y=f(x) are -8 and 1. What are the x-intercepts of the graph of y=f(x+4)?

    asked on March 8, 2018
  26. Physics

    A 30 kg child sits in a swing supported by two chains, each 1.4 m long. (a) If the tension in each chain at the lowest point is 265 N, find the child’s speed at the lowest point. (Neglect the mass of the seat.) Answer in units of m/s. (b) Find the force

    asked on December 3, 2016
  27. Math

    I need two 12x23 feet of carpet for my basement at $6.00 per square foot. How much will this cost?

    asked on October 26, 2016
  28. Pre Calc

    Use a graphing utility to graph the function and approximate (to two decimal places) any relative minima or maxima. (If an answer does not exist, enter DNE.) f(x) = −x2 + 9x − 8

    asked on September 4, 2016
  29. Temperature(Math)

    At 1:00 pm the temp is 72 deg, the temp went down to 52 deg at 6:30, what is the temp at 4:00pm?

    asked on June 3, 2016
  30. Maths

    How would you solve this in order to find t? 0.2t(t-5.1)(t-9.1)=2.4+0.75t I tried differentiating it, but I wasn't getting the answer I was supposed to

    asked on October 9, 2015
  31. Chemistry

    How many liters of Carbon Dioxide are formed by burning 6011.0 grams of C3H7OH with excess of oxygen gas and is carried out at 20.00 degrees Celsius, and 1.150 atm of pressure. I know this needs PV=nRT but the burning and excess part is throwing me off.

    asked on August 15, 2015
  32. Strategies for Academic Success

    Sean is taking an online course in Psychology, and is about to take a quiz over the lesson, “The Experimental Method”. He did poorly on his homework assignment and is struggling to remember the lesson content. What should Sean do before he takes the

    asked on May 2, 2014
  33. Geometry

    I need help in this question!!! CD has an endpoint at (2,-1) and a midpoint at (8,3). which measure is closest to the length of CD? A. 20.4 units B. 8.4 units C. 14.4 units D. 11.7 units

    asked on March 26, 2014
  34. Math

    Mariko has an 80 inches = 1 inch scale- drawing of the floor of her house. On the floor plan, the dimension of her rectangular living room are 1 7/8 inches by 2 1/2 inches. What is the area of her real living room in square feet?

    asked on December 27, 2013
  35. physics

    An oil drop is stationary within an electric field of 490 V/m that is set up between two parallel plates. If the volume of the oil drop is 4 X 10 (-19) m3, how many excess electrons does it carry? (I'll give ya'll just one hint: the fundamental unit of

    asked on June 29, 2012
  36. Business English

    Our short memory can only hold about seven bits of information at a time. This means you should: a,use words with six letters or less b,use sentences of six letters or less c,never write a document with more than seven points d,group large amounts of

    asked on March 28, 2012
  37. physics

    A ray of light is incident on a plane mirror at an angle of 40o with the mirror surface. What will be the angle of reflection?

    asked on July 9, 2011
  38. child psychology

    the only ssri that's currently fda approved for the treatment of depression in children is a.paraxetine(paxil) b.fluxetine(prozac) c.sertraline(zoloft) d.trimoxiphine(xantax) I chose A im still unsure

    asked on April 30, 2011
  39. Physics

    An 80kg construction worker sits down 2.0 meters from the end of a 1450kg steel beam to eat his lunch. The beam is 6.0 m length total. A cable is supporting the beam and is rated at 15,000 N and is at a 30 degree angle to the beam. Should the worker be

    asked on March 24, 2011
  40. math!!!

    The function h = -6(t - 2.5)^2 + 38.5 gives the height, h metres, of a batted baseball as a function of the time, t seconds, since the ball was hit. What as the maximum height of the ball? a) -6 b 2.5 c) 38.5 d) 0

    asked on January 19, 2011
  41. algebra

    Cycle Paths, inc. makes bicycles, tricycles, and unicycles. Last week they made 88 more bicycles than unicycles, and 5 times as many tricycles as unicycles. If they made 40 more bicycles than tricycles, how many unicycles did they make?

    asked on September 28, 2009
  42. Algebra

    Reduce each rational expression to lowest terms. Assume that the variables represent only numbers for which the denominators are nonzero. (a^2-b^2)/(a-b)

    asked on February 28, 2009
  43. math

    which inequality is true if x=3.04/1.48, y = 1.99+0.33, and z = (1.3)^3? answer is either: y

    asked on June 10, 2008
  44. Early childhood eductaion

    Which fine motor skill would you expect children to be able to perform earliest?

    asked on July 22, 2019
  45. Algebra

    8. A balance of $5,500.00 principal earns 3% interest, compounded annually. After 5 years, what is the balance in the account? 9. A car costs $25,000 and depreciates in value by 15% each year. How much will the tractor be worth after 4 years?

    asked on March 26, 2018
  46. help

    In “who knows if the moon’s,” the speaker imagines traveling somewhere. Where does he imagine traveling? to Earth from the moon to a nearby garden to the moon from Earth to a city in the sky thx

    asked on February 21, 2018
  47. help

    Draw and use a tape diagram to model and solve the problem below. In a soccer league, the ratio of boys to girls is 4 to 6. There are a total of 50 players in the soccer league. Determine how many girls play in the soccer league. A. 10 B. 20 C. 50 D. 30

    asked on February 20, 2018
  48. Math

    For the first tour on Monday, a museum sells 4 child tickets and 8 adult tickets for $128. For the second tour the museum sells 6 adult tickets for $72. Find the price of one child ticket and the price of one adult ticket

    asked on December 18, 2016
  49. geometry

    Robin is looking up at a 89degree angle to the top of the stratosphere in Las Vegas, which is 1149ft tall. how far away is Robin form the base of the tower? round to the nearest hundredth

    asked on July 7, 2016
  50. Algebra

    Evaluate the polynomial 6x - y for x = - 3 and y = 2. A. 15 B. –20 C. 4 D. –16 I think it is I right?

    asked on November 11, 2015
  51. Algebra 2

    Use grouping to solve each of the following equations. 36x+2x^3-36-2x^2=0 Please show work I want to learn how to do it.

    asked on December 11, 2014
  52. Algebra 2

    Find the real zeros of each polynomial f(x)=5x^3-40 Please show work I want to learn how to did it

    asked on December 11, 2014
  53. Math

    Louis paid $42 for a dozen magazines with her annual and subscription to her favorite sport magazine. What is the unit cost for each magazine?(How many magazines did she subscribe to) Please show work.

    asked on November 25, 2014
  54. Algebra 2

    Complete the Square Solve each equation x^2+8x+16=16/9 Show work i want to learn!!!

    asked on November 13, 2014
  55. math

    Please simplify and explain to me how to do each of these. Greatly appreciated. x = multiply sign (not a variable) a)((9)^(1/2) (4)^2) / 24 b) (16)(2)^(x+2) The x here is a variable, not multiplication sign) c) (3)^(-8)/ (3)^(-6) (3)^(-5) d) ((4)^(-2) +

    asked on April 1, 2013
  56. math

    A map indicates that two cities are 160 miles apart. The scale of the map is 1/2 inch= 20 miles. 1. how many inches apart are the cities on the map. 2. Another map show the two cities has a scale of 3/4 inch =20 miles. How many inches apart are the two

    asked on January 27, 2013
  57. math

    It cost $15.00 to buy 150 sheets of brand A's paper. it cost $19.25 to buy 175 sheets of brand B's paper. Which brand has the better value and by how much?

    asked on January 27, 2013
  58. math

    what is the relative error of a distance given as 550cm plus or minus 24.2cm?

    asked on January 27, 2013
  59. Calculus

    Find the equation of the tangent plane at the given point. 1)x^2+y^2-z=1 at the point (1,3,9) 2)x^2*y^2+z-40=0 at x=2, y=3 3) x^2+ln(xy)+z=6 at point (4,0.25,2) For the first one I got the partial fraction in terms of x, y and z and my final answer was

    asked on October 4, 2012
  60. Math

    Solve the following problem. The owner of a toy store is taking inventory of bicycles and tricycles in an unusual way. He said he counted 50 wheels and 40 pedals.How many bicycles and how many tricycles did he have?

    asked on February 16, 2012
  61. math

    im in sixth grade and im confused with this question.there are 44,000 people living in salem.(16,000~workers :2,000~preschoolers : 13,000~students : 4,000~retirees : 8,000~homemakers : 1,000~unemployed) *what fraction of the population has jobs outside

    asked on October 6, 2011
  62. Active physics

    How much hear must be added to 1.5kg of water at -25degC to raise it up to 119degC?

    asked on May 9, 2011
  63. Hypergeometirc Distribution

    From a lot of 12 flares, 4 are selected at random. If the lot contains 4 defective flares *flares that will not fire), what is the probability that all 4 will not work? What is the probability that at most 2 will not work?

    asked on May 4, 2011
  64. Math

    List the elements {a1, a2, a3...} where an is defined as a1= 1, an=na(n-1) n E N, 1

    asked on April 14, 2011
  65. Chemistry

    write the formula for hydrogen and bromine forming hydrogen bromide & nickel and oxygen forming nickel (II) oxide

    asked on November 14, 2010
  66. vectors

    Determine whether each statement is true or false. Provide a brief justification. a. Two lines with parallel direction vectors willnot intersect. b. Two linesthat are perpendicularin R3 willhave perpendicular direction vectors. c. Two linesthat

    asked on June 9, 2010
  67. Chemistry

    10.0 mol of ammonia gas is injected into a 4.0 L container. At equilibrium 1.2 mol of nitrogen gas is found in the container. The number of moles of ammonia gas left in the container must be which of the following? N2(g) + 3H2(g) 2NH3(g) + 94 kJ a. 8.8 d.

    asked on June 8, 2010
  68. English

    I am writing an essay based whether non fiction can equal or surpass fiction. I chose to write that non fiction can equal fiction and my 3 support aruguments it that they both have a purpose, both contain fictional elements(specifically conflict) and they

    asked on June 6, 2010
  69. math sequences and series

    how do i solve the sum of the first two terms of an arithmetic sequence is 16. the sum of the second and third term is 28. determine the first three terms, algebraically

    asked on May 31, 2010
  70. algebra, please help!


    asked on April 18, 2010
  71. algebra 1


    asked on April 18, 2010
  72. social studies

    What advantages might there be in living near other people in small towns, such as those in New England?

    asked on April 16, 2010
  73. math214

    Find the coordinates of the image for each of the following points under the translation defined by (x, y) S (x 1 3, y 2 4): a. (0, 0) b. (23, 4) c. (26, 29) d. (7, 14) e. (h, k)

    asked on February 26, 2010
  74. Algebra

    Complete the square to obtain exact solutions: x^2+6x+13 = 0 2x^2-5x-3 = 0

    asked on August 10, 2009
  75. Algebra

    Please express in terms of sums and differences in logarithms. log a x^3 y^2 z

    asked on July 28, 2009
  76. Communication Theory

    What shapes our perceptions more biology or society? I would say society because we are exposed to so many things in every direction on a daily basis. For example, the media and people impact our perceptions. What would you say and why? Thanks!

    asked on July 20, 2009
  77. College Algebra

    Can someone check my answer please? Find the corresponding y values for x= -2,-1,0,1,2,3 if y= x^-x-2. My answers are under Y. X Y -2 -4 -1 -2 0 -2 1 0 2 4 3 10

    asked on November 20, 2007
  78. College algebra

    Okay theres another part to this equation and I'm not sure if this is the right answer either. 5x+6y=18 solve for y. 6y = 18-5x y = (18-5x)/6 The second part is when graphed this equation would be a line. What is the slope and y-intercept of this line? The

    asked on November 16, 2007
  79. Math

    Natalie is making a tablecloth for a circular table 3 feet in diameter. The finished tablecloth needs to hang down 5 inches over the edge of the table all the way around. To finish the edge of the tablecloth, Natalie will fold under and sew down 1 inch of

    asked on November 3, 2007
  80. Precalculus

    The light pattern from a fog light at the airport can be modeled by the equation x^2/4 - y^2/16=1. One of the points on the graph is at (3, 4.5) and one of the x-intercepts is -2. Find the coordinates of the three addditional points on the graph and the

    asked on October 8, 2007
  81. contemporary math

    Intelligence quotients on the Stanford-Binet intelligence test are normally distributed with a mean of 100 and a standard deviation of 16. Use the 68-95-99.7 rule to find the percentage of people with the following IQs: a.) between 84 and 100 b.) below 52

    asked on June 23, 2008
  82. history

    what is a line of rulers that passes power from father to son It could be a hereditary monarchy or a dynasty. It can also be primogeniture if the power and lands pass to the oldest son. Please not #2 below which is taken from an online dictioary. Main

    asked on August 15, 2007
  83. history

    what are two river valleys located in india In ancient India, the two major river valleys were the Indus and the Ganges. Today, however, the Indus River is almost entirely in Pakistan. thank you i could not find

    asked on August 15, 2007
  84. Math

    consider the function f(x)= x^3+ax Given that f´(2)=0 ,determine value of a Thanks I need help

    asked on June 11, 2020
  85. Mathematics

    Ruben runs 4 miles in 30 minutes. At the same rate how many minutes would he take to run 10 miles?

    asked on May 1, 2020
  86. chemistry

    a gas has a volume of 4L at a temperature of -33 degrees C. if the temperature is increased to 27 degrees C and the pressure remains constant, what will be the new volume of the gas?

    asked on April 12, 2020
  87. Pharmacology

    patient is receiving an antibiotic IVPB in 50ml every 8 hours to run over 1 hour plus a maintenance IV of 100ml/hr. what is the 24h intake parenterally?

    asked on March 3, 2020
  88. algebra 2

    how do you find the rate of change from a linear graph?

    asked on August 27, 2019
  89. Child growth and development

    True or false locomotor skills require the use of small muscles in the hands or feet.

    asked on July 22, 2019
  90. Math

    Solve the following by dividing and reducing to the lowest common denominator. 7/9 ÷ 2/5 =

    asked on July 16, 2019
  91. English

    Traditional healers should be allowed to practice and prescribe in hospitals and clinics

    asked on April 21, 2019
  92. Biology

    How many chromosome do human have? How many chromosomes do each person give?

    asked on April 20, 2019
  93. math

    The radius of a spherical ball is measured at r = 50 cm. Estimate the maximum error in the volume and surface area if r is accurate to within 0.1 cm. (Round your answers to three decimal places.)

    asked on October 22, 2018
  94. Math

    12 1/9 + 10 2/3

    asked on October 1, 2018
  95. Math

    There is a school of 850 pupils 3/5 of them are girls how many girls are there

    asked on June 19, 2018
  96. Physics

    spring with a force constant of 111 Nm is attached to the ceiling. When an unknown mass is attached it pulls the spring down 0.340m to its equilibrium position. The mass is then pulled 9cm below its equilibrium position and oscillations back and forth.

    asked on April 15, 2018
  97. 6th grade Math

    If x = 2.5, 5x = ____. (Only input decimals such as 12.7 as the answer.) Answer for Blank 1:

    asked on May 23, 2017
  98. Math

    18. Kim deposited $1422 in a savings account. How much would she have in the account after 5 years at an annual simple interest rate of 3%.

    asked on April 2, 2017
  99. Math

    In 2010 there were 2575 students at ECC. In 2013 there were 3090 students. For the units use student increase or student decrease, rounded to the nearest whole, and percent increase or percent decrease, rounded to the nearest 10th, in the answer boxes that

    asked on January 26, 2017
  100. history

    What was the significance of the Supreme Court's ruling in the Marbury vs. Madison case? The ruling determined that Congress could act against the president if it wished. The ruling determined that the Supreme Court was more powerful than the president.***

    asked on November 7, 2016


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