Questions Asked on
August 9, 2010

  1. Chemistry

    Does anyone know why Glucose is soluble in water but is not soluble in Hexane?

    asked by Bobby
  2. trig

    find exact value of cos(23pi/6)

    asked by shaili
  3. Finance

    Medallion Cooling Systems, Inc., has total assets of $10,000,000, EBIT of $2,000,000, and preferred dividends of $200,000 and is taxed at a rate of 40%. In an effort to determine the optimal capital structure, the firm has assembled data on the cost of

    asked by Lillian
  4. chem

    Suppose a hydrogen-oxygen fuel-cell generator was used to produce electricity for a house. Use the balanced redox reactions and the standard cell potential to predict the volume of hydrogen gas (at STP) required each month to generate the electricity

    asked by Anonymous
  5. Calculus - Dot Product

    A crate is dragged 3m along a smooth level floor by a 30n force applied at 25deg to the floor. Then it is pulled 4m up a ramp inclined at 20deg to the horizontal, using the same force. Then, the crate is dragged a further 5m along a level platform using

    asked by Shaila
  6. chemistry

    A 0.942 M sample of carbonic acid, H2CO3, has a measured hydronium ion concentration of 6.36 ´ 10–4 M. Calculate the acid-ionization constant of carbonic acid. The equilibrium equation is: H2CO3(aq) + H2O(l) H3O+(aq) + HCO-3(aq)

    asked by Lily
  7. Math

    Can the rations 2/18 and 5/45 make a proportion?

    asked by Jimmy
  8. physical

    Question 10 An airplane traveling north at 400 m/s is accelerated due east at a rate of 50 m/s2 for 6 s. If the effects of air resistance and gravity are ignored, what is the final speed of the plane? 1. 300 m/s 2. 400 m/s 3. 500 m/s 4. 700 m/s 5. 800 m/s

    asked by Nhlanhla
  9. chemistry (acid-ionization constant)

    A 0.942 M sample of carbonic acid, H2CO3, has a measured hydronium ion concentration of 6.36 ´ 10–4 M. Calculate the acid-ionization constant of carbonic acid. The equilibrium equation is: H2CO3(aq) + H2O(l) H3O+(aq) + HCO-3(aq)

    asked by Lily
  10. Physics - Relative velocity

    A barge is heading directly across a river at35km/h while you are walking on the barge at 4km/h in the same direction as the barge is heading. The current is flowing downstream at 1.4km/h. a) What is your velocity relative to the shore? (7.6km/h) b) What

    asked by Shaila
  11. Dot Product 1

    A crate is dragged 3m along a smooth level floor by a 30n force applied at 25deg to the floor. Then it is pulled 4m up a ramp inclined at 20deg to the horizontal, using the same force. Then, the crate is dragged a further 5m along a level platform using

    asked by Shaila
  12. math

    cindy is making a punch for a party. the recipe calls for 3 bottles of cranberry juice in order to make enought punch to serve 40 guests. how many bottles of cranberry juice wil cindy need in order to make enough punch to serve 100 guest?

    asked by Joey
  13. GEOMETRY 4.6

    USE THE GIVEN SET OF POINTS TO PROVE EACH CONGRUENCE STATEMENT E(-3, 3), F(-1, 3), G(-2, 0), J(0, -1), K(2,-1), L(1, 2);

    asked by sonia
  14. Dot Product

    Determine the interior angles of triangle ABC for a(5,1) b(4,-7) and c(-1,-8)

    asked by Shaila
  15. Art history

    Painting : Sixtus in appointing platina as prefect of the Vatican Can you tell me more about this painting, for example, 1) the character of Sixtus IV and his favoritism 2) How Renaissance is illustrated in the painting 3) How Humanist is illutrated.

    asked by Yvette
  16. Calculus - Dot Product

    consider a rhombus ABCD a) find the resultant of vector AB + vector AD and vector AB - vector AD? (cosine rule) b) What will be the value of the dot product of vector AB + vector AD and vector AB - vector AD always be? (always zero) c) Is this value of the

    asked by Shaila
  17. science

    A sailboat is traveling at a steady speed of 13 mph. The force of the wind pushing against the sail is _______ the opposing force of the water resistance. multiple choice equal to greater than less than

    asked by pattie
  18. chemistry

    write a complete strucural formula for each reaction, Name the reactio and then the reactants and products C3H6 + Cl2 --- C3H6Cl2 NH3 + C4H9COOH---C4H9CONH2 + H2o C5H12 = O2 -- CO2 H2O

    asked by Kelsey
  19. chemistry

    Using structural formula, draw formulae illustrating the complete combustion of ethanol

    asked by Kelsey
  20. ecology

    Why does the rainy season in the tropical dry forest and tropical savanna biomes come during the warmer months?

    asked by Annie
  21. statistics

    Annual household incomes in a certain region have a distribution that is skewed right, with mean 30.25 thousand dollars and a standard deviation of 4.50 thousand dollars. If a random sample of 100 households is taken, then the probability that the sample

    asked by houston
  22. 7th grade

    rosa wants to buy a computer desk that originally cost $650. It has been marked down to a new price of $520. What is the percent off?

    asked by Serena
  23. math

    a pari of shoes is on sale for 10% off the original price. If the sale price is $14.40, what was the original price of the item?

    asked by Serena
  24. algebra

    Use inductive reasoning to predict the next complete line in the pattern. 10 × 12 = 11 × 13 - 23 12 × 14 = 13 × 15 - 27 14 × 16 = 15 × 17 - 31

    asked by Madison
  25. Algebra

    Monica Wilson gets $12.75 per hour with time and a half for any time over 40 hours per week. If she works a 50 hr week and gets paid $652.25, by how much was she underpaid?

    asked by Katherine
  26. algebra

    Since I am new to the algebra and do not fully understand it, I am not sure how to answer the following question. Hope you can help. thanks how do you know when an equation has infinitely many solutions

    asked by Ziggy
  27. Physics

    (b)A centrifuge has a maximum rotation rate of 10,000 rpm and can be stopped in 4 seconds. Assume the deceleration is uniform. The centrifuge radius is 8 cm. What is the distance that a point on the rim travels during deceleration?

    asked by Oisin
  28. statistics

    Given a sample size of 38, with sample mean 660.3 and sample standard deviation 95.9 we are to perform the following hypothesis test. Null Hypothesis H0: ƒÊ = 700 Alternative Hypothesis H0: ƒÊ ‚ 700 At significance level 0.05 3. Calculate the test

    asked by Scott
  29. math

    the trainers took a count of the animals at the zoo. there are both birds and four legged mammals at the zoo. the trainers counted 550 feet and 155 animals on their first trip through. How many birds and mammals are there?

    asked by trevor
  30. Physics

    what is the gravitational potential energy at the centre of the earth??? If infinity is taken as the reference (i.e zero energy level)

    asked by Mos Def
  31. Math

    There are 13 flavbors at a local ice cream parlor. Is the number 13 a prime number or a composite number? If it is composite, write the number as the product of prime numbers

    asked by Sai
  32. MATHS

    A CONE WAS CONSTRACTED FROM PLASTIC, HAVE A HEIGHT OF 20cm (PART C). THE LID IS MADE UP OF HEMISPHERE HAVE RADIUS 0F 5cm (PART A) AND PYRAMID HAVE VOLUME OF 81,667cm³. THE LID FITS EXACTLY OVER THE CONE. A) CALC. THE VOL. OF PART A. B) CALC. THE VOL. OF

    asked by MTHOMBENI BAFANA
  33. Algebra

    Explain how to solve a quadratic equation using the quadratic formula.

    asked by Tammy
  34. Chemistry

    *cont'd. the conversation about why does the blue color of Iodine disapear when amylose reacts with saliva. The answer I chose(wrote in earlier post) was incorrect. the choices remaining are 1. Saliva causes the amylose chain to uncoil soIodine is no

    asked by Bobby
  35. math

    Dan runs 4 miles in 30 minutes. At the same rate, how many miles would he run in 18 minutes?

    asked by bobbi
  36. Psychology

    What impact does academic achievement have on self-esteem? How does this impact explain high school drop-out rates?

    asked by Linda
  37. vocab

    Sensory details. Need to write a complete sentence. You are hurrying to get home before a thunderstorm.

    asked by Ivette
  38. Landscaping Business

    Imagine you are a homeowner getting ready to sell your home. You realize there are some landscaping problems you want to address so your home will sell quickly and you can get the best price. After making this decision, you realize there are many things to

    asked by Anonymous
  39. Algebra

    The ratio of the weight of an object on Mars to the weight of an object on Earth is 0.4 to 1. How much would a 120-lb astronaut weigh on Mars?

    asked by Macy
  40. Physics

    (ii) For the wheel of diameter 10 cm, find its final speed after traversing a distance of 10 m down an incline of 25º. Assume it starts from rest. I know i have to use the conversation of enrgy formula but how do i apply it to this instance?

    asked by Oisin
  41. grammar

    Is this sentence correct? I know that he will do the job as best he can. Or should it be? I know that he will do the job the best he can.

    asked by wylene
  42. psy 240

    You specialize in prenatal care and Mary, one of your patients, just discovered she is pregnant. She is very curious about how the sex of her baby will be determined. How would you discuss the neuroendocrine system’s involvement with sexual development

    asked by Brenda
  43. US History

    1)Slave rebellions in the colonies were a result of a)harsh controlling African Americans' activities b)economic downturns c)the spread of democracy d)worsening conditions aboard slave ships I think C ? 2)The Green Party and Farmers' Alliances both called

    asked by Victor
  44. chemistry

    two mercury-glass thermometer are labelled T and D, respectively. On a T scale, at 1 atmosphere, ice melts at -10T,and pure water boils at 80T. On the D scale ice melts at 20T and pure water boils at 100T at 1 atmospheric pressure. (a) Derive an equation

    asked by paulina
  45. reimbursement methods

    what formula do i follow for reimbursement the hospital receives from medicare

    asked by michelle
  46. grammar

    I'm a little confused. so it's first and a? For the Jim Thorpe was the first winner of a gold metal among Native Americans.

    asked by Ivette
  47. statistics

    A data set consists of a set of numerical values. Which, if any, of the following statements could be correct? a. There is no mode. b. There are two modes. c. There are three modes.

    asked by Trina
  48. math

    Suppose that a reporter uses the statement (Average Number of Firearms Per Owner), and creates the following headline for her newspaper. Every Person in the US Owns More Than Four Firearms. Should her editor accept the headline? Explain your reasoning.

    asked by Betty
  49. Early childhood

    what arethe responsibilities that a teacher has to volunteer parent when these parent are invited to participate in learning activities.

    asked by Help please
  50. algebra

    find the product of (x^2-3x+5)with the quotient of (21x^6- 14x^5-7x^3)divide by 7x^3

    asked by peggy
  51. algebra

    If Sam Stevens and four other friends want to schedule a 6 hour fishing trip on Lake Ontario with Reel Easy Sport Fishing. The cost for five people is $445. The cost for six people is 510. How much money per person will Sam and each of his friends save if

    asked by Katherine
  52. cultral diversty

    the linguistic, political, social, economic, religious, and familial conventions or statuses of four Hispanic groups living in the United States. Your paper must address Mexican Americans, Puerto Ricans,

    asked by fee
  53. math

    A 120lb person should ear a minimum of 44 grams of protein each day. How much should a 180-lb person eat each day?

    asked by Jenny
  54. math

    18. A cyclist bikes x distance at 10 miles per hour and returns over the same path at 8 miles per hour. What is the cyclist's average rate for the round trip in miles per hour?

    asked by Lee
  55. Health Information

    You own a company in a state where state funds aren't mandated for employee health insurance. What's one option for providing your employees with health care coverage for work-related injuries? a. medicaid plans b. referrals to other network groups c.

    asked by Katy
  56. College Algebra

    13. Write the binomial expansion of (2a – 3b)4.

    asked by Jessica
  57. College Algebra

    Prove by mathematical induction: ∑_(i=1)^n▒〖3^i=3(3^n-1)/2〗

    asked by Jessica
  58. College Algebra

    Write the binomial expansion of (x^2+2/x)^5.

    asked by Jessica
  59. grammar

    Mr. Jones and him are very good friends. Is it I or he?

    asked by Ivette
  60. english

    I'm not sure how to write an appendix for a project that I'm working on. Can anyone give me some guidance?

    asked by lisa
  61. stats

    Say you perform an experiment in which you flip a coin 20 times. You are looking for statistically significant outcomes (outcomes that have a probability of occurring that is less than your alpha level). You choose an alpha level of 0.01. 1.) You decide to

    asked by aw
  62. grammar

    find the adjectives. Jim Thorpe was the first winner of a gold metal among Native Americans.

    asked by Ivette
  63. grammar

    Thorpe won the pentathalon and the decathalon of ten extraordinary events. Are the adjectives pentathalon, decathalon and ten?

    asked by Ivette
  64. grammar

    gold

    asked by Ivette
  65. chemistry

    what two tests can I use to determine if a comound is an alcohol or a short or long chained carboxylic acid. I have two substances a colourless liquid and a white solid.

    asked by Kelsey
  66. finance

    You have purchased a house and have obtained a 30-year, $ 200,000 mortgage with an interest rate of 10%. What is your annual payment? Assuming you bought the house on January 1, what is the principal after one year? ten years?

    asked by Anonymous
  67. statistic

    3. Indicate whether the given statement could apply to a data set consisting of 1,000 values that are all different. a. The 29th percentile is greater than the 30th percentile. b. The median is greater than the first quartile. c. The third quartile is

    asked by Trina
  68. computers

    the main function of the cpu is to control the input, process, and output to and from peripheral devices

    asked by Xichenio
  69. Math

    Using the terms factors, divisors, multiple, product, and divisible by, write as mant statements as you can about the number sentence 4x7=28.

    asked by Joshua
  70. Literature

    What literature do you consider to be part of the United States' current literary canon, and why? o How do those selections reflect the cultural tradition of the United States? o What do you consider to be part of your personal literary canon?

    asked by Jamie
  71. business

    How long is a license to practice medicine in your own organization good for? I live in florida and can not find this answer so am sure i am not looking in the right place. can you help?Podiatric medicine is what i am working on.

    asked by lois
  72. volcab

    yes. write a complete sentence using sensory details about hurrying home befire the storm hits. Sorry.

    asked by Ivette
  73. Chemistry

    Is Amylose different than Amylopectin in that Amylose is a polymer of a-D-glucose but amylopectin is a polymer of b-D-glucose? Thanks for any help offered. Carbohydrates that are called reducing sugars are those that__ a. have OH groups that are easily

    asked by Bobby
  74. Physics

    what is the gravitational potential energy at the centre of the earth??? If infinity is taken as the reference (i.e zero energy level)

    asked by Mos Def
  75. Calculus

    X2-7x-12/x-2

    asked by Lala
  76. Music

    What are the two basic forms for vocal selection in operas?

    asked by Keisha
  77. algebra

    Solve. Type an integer or simplified fraction for: -7x -22 = -26 2/3

    asked by Jessica
  78. vectors in three space

    a) Describe the form of the coordinates of all points that are equidistant from the x- and y-axes. b) Describe the form of the coordinated of ll points that are equidistant from the x-, y- and z-axes.

    asked by Shaila
  79. english

    6. The subject and verb should agree even when other words come between them. For example: “The students, as well as their teacher, are excited about the upcoming trip to Italy.” (Points : 1) True False

    asked by sharon
  80. Health Information

    You started working for a private insurance company before the inception of managed care. You've been talking with your co-workers about how different reimbursement was in the past. You commented that before managed care, your employer reimbursed providers

    asked by Katy
  81. grammar

    indefinite pronouns. Is it singular or plural. It was shown that aqny of the person's dreams can originate from random activities of the brain during sleep.

    asked by Ivette
  82. grammar

    (Us, We) Boy Scouts are good cooks. s Us or We? I have to cross out the noun.

    asked by Ivette
  83. Health Information

    Medicare and Medicaid financial issues put constraints on a. physician services. b. critical care centers. c. public hospitals. d. outpatient services.

    asked by Katy
  84. grammar

    Angela can run faster than him. I have to correct the pronoun error.

    asked by Ivette
  85. grammar

    Mr. Jones and him are very good friends. is it I or he? Him is the only pronoun.

    asked by Ivette
  86. civics

    what language is used to describe the roll of the senate in supreme court nominations

    asked by Anonymous
  87. Psychology

    What is your definition of wisdom?

    asked by Linda
  88. Geometry

    Homework Help Forum: geometry Posted by behzad on Monday, August 9, 2010 at 4:57pm. I need to find the fifth side. I have a polgon(5 sided). The distnace: A to B= 4" B to C =8" C to D = 18" D to E = 23" E to A = ? in which is 39" How do I find E to A if it

    asked by Ms. Sue for Behzad
  89. History

    How did the social composition affect the political climate of the 80's

    asked by Sarah
  90. Psychology

    What is your definition of wisdom?

    asked by Linda
  91. math

    corp provides issuance of 200,000 shares of common stock. 40,000 shares were originally issued and 500 were reacquired. What is the number of shares outstanding?

    asked by jack
  92. economics

    do you agree that the Philippine should be an industrialized country, even if it is one of the agricultural country? justify and give scenario.

    asked by anne geleen
  93. algebra

    How would you explain to your friend why the quotient of x^8 and x^2 is x^6 and not x^4?

    asked by peggy
  94. 9th grade

    Identify the type of subordinate clause in the following sentence. The guy who ran out of the clinic is running late. noun adjective adverb

    asked by Hannah
  95. algebra

    In words! How would you explain to your friend why the quotient of x^8 and x^2 is x^6 and not x^4?

    asked by peggy
  96. science

    what is your opinion on the Koyoto Protocol? do you believe we should participate or not

    asked by mac
  97. math

    corp provides issuance of 200,000 shares of common stock. 40,000 shares were originally issued and 500 were reacquired. What is the number of shares outstanding?

    asked by jack
  98. math

    B= K+v/2 how do I solve this for K

    asked by barb
  99. algebra

    explain in your own words how to factor a polynomial of the the form ax^2 + bx+c when A is not equal to 1. Describe both the grouping approch as well as reversing FOIL. Contrast the two methods by means of an example. Which is the best approach and why>

    asked by peggy
  100. organization

    Develop at least one process evaluation measure for the Consultation and Education Department at Greenby Community Mental Health Center to display the program’s effectiveness and efficiency.

    asked by latonia
  101. organization

    One outcome evaluation measure for the Consultation and Education Department at Greenby Community Mental Health Center to display the program’s effectiveness and efficiency.

    asked by latonia
  102. statistics

    In Los Angeles there are three network television stations, each with it own evening news program from 6:00 to 6:30 PM. According to a report in this morning’s local newspaper, a random sample of 150 viewers last night revealed 53 watched the news on

    asked by Kee
  103. math

    a full time student is employed. her hourly rate is $5.25. One week she worked 33 1/4. What are the earnings for the week?

    asked by Anonymous
  104. religion

    how many sponsorers can you have for confirmation?

    asked by mary
  105. College Algebra

    15. Write the 5th term of (3x + 2y)7.

    asked by Jessica
  106. College Algebra

    Find the sum of the infinite geometric series given by ∑_(k=1)^∞▒〖(2/9)^k.〗

    asked by Jessica
  107. Health Information

    The ability to accurately predict yearly expenses was one reason that large companies decided to a. offer HMO programs b. enroll in managed care plans c. self-insure their employees d. offer medical spending plans

    asked by Katy
  108. Business

    What is the origin and subsequent evolution of personal and workplace values? What is the meaning or what they are asking for?

    asked by MC
  109. Ms. Sue Business

    I reposted to the other question but this is the exact directions: Analyze & summarize the origin and subsequent evolution of our team's collective personal and workplace values and how they compare with your chosen company (ours is Microsoft)

    asked by MC
  110. grant writing

    I'm writing a grant proposal and I'm not sure how to include an appendix. Is it just an outline of the information that was included in the proposal?

    asked by lisa