Questions Asked on
May 11, 2010

  1. Chemistry

    Calculate E, E^o and (delta)G^o for the following cell reaction: Mg(s) + Sn2+(aq) (yields) Mg2+(aq) + Sn(s) [Mg2+] = 0.045 M, [Sn2+] = 0.035 M

    asked by Julie
  2. Chemistry

    Given that E^o = 0.52 V for the reduction of Cu+(aq) + e - (yields) Cu(s) Calculate E^o, (delta)G^o and K for the following reaction at 25°C. 2Cu2+(aq) (yields) Cu2+(aq) + Cu(s)

    asked by Julie
  3. CHEMISTRY

    A mixture contains 5.00 g each of O2, N2, CO2, and Ne gas. Calculate the volume of this mixture at STP. Calculate the partial pressure of each gas in the mixture at STP.

    asked by ~anonymous
  4. physics

    Tarzan, mass 85 kg, swings down on the end of a 28 m vine from a tree limb 4.4 m above the ground. How fast is Tarzan moving when he reaches the ground?

    asked by Jade
  5. physics

    when you connect an unknown resistor across the terminals of a 1.50 V AAA battery having a negligible internal resistance, you measure a current of 18.0 mA flowing through it .A)what is the resistance of the resistor. B) if you now place the resistor

    asked by brad
  6. Chemistry

    If 8.00 g of ammonuim nitrate is dissolved in 1000 ml of water for use as a plant fertilizer, the water decreases in temperature form 21.00C to 20.39 C. Determine the molar heat of solution of ammonium nitrate

    asked by Nicole
  7. chemistry

    6) How many grams of copper (II) fluoride, CuF2, are needed to make 6.7 liters of a 1.2 M solution?

    asked by jeff
  8. 3rd grade math

    If you multiply me by 2, I become a number greater than 20 and less than 40. If you multiply me by 6, I end in 8 Multiply me by 4, I end in 2

    asked by Adam
  9. Geometry

    How many lines of symmetry does the letter "X" have and how mnay lines of symmetry does a twelve sided cross figure have?

    asked by Janet
  10. chemistry

    calculate the number of protons, neutrons, and electrons in the sample of scandium that you weighed at 7.9 mass weight if it is 100% ^45Sc.

    asked by GKMB
  11. physics

    Transverse waves with a speed of 50.0 m/s are to be produced on a stretched string. A 5.00m length of string with a total of 60 grams is used. a) what is the required tension in the string? b) calculate the wave speed in the string if the tension is 8.00n.

    asked by yolanda
  12. science

    what is the reaction between hexane & iodine?

    asked by xyz
  13. business

    1. Aaron Nance is a freshman in college who has not yet decided on his major. He is thinking about majoring in operations management and is concerned about job opportunities in this field. Which of the following statements about jobs for operations

    asked by valeria
  14. Electronic Instrumentation

    Calculate the force in Newtons that exists between a positive charge of 2C and a negative charge of 5.2 X 10^19 electrons separated by a distance of 25 cm.

    asked by Kevin
  15. SCIENCE 1

    Which of the following is a true statement about chemical equilibria in general A.there is only one set of equilibrium concentrations that equal the Kc value B.eqauilibrium is the result of cessation of all chemical change C.at equilibrium the rate of the

    asked by Dave
  16. Math

    Kent invested $5,000 in a retirement plan.He allocated X dollars of the money to a bond account that earns 4% interest per year and the rest to a traditional account that earn 5% interest per year. 1.Write an expression that represents the amount of money

    asked by Shadow
  17. english

    Romeo and Juliet are dynamic characters, characters who change during the course of the play. Describe how the lovers have changed in this act. What hard lessons have they learned about love?

    asked by jessica
  18. Grammar

    Aaron plans to attend college once he completes this course workbook. The verb in this phrase would be "attend" becuase is the action he is gong to do right??

    asked by Fabian
  19. Chemistry

    Dr Bob Can you please confirm for me that only NH3 has a boiling point that does not fit the general trend from these choices NH3 PH3 SbH3 AsH3 many thanks andy I am picking NH3 because of the reason that the larger the compound the greater the boiling

    asked by Andy
  20. CHEMISTRY

    although helium atoms do not combine to form He2 molecules is it fair to say that London dispersion forces (induced dipole forces)are what attract He atoms weakly to one another? The other choices are dipole-induced dipole forces Hydrogen bonding

    asked by Andy
  21. physics

    A 64.9 kg skier coasts up a snow-covered hill that makes an angle of 25.4° with the horizontal. The initial speed of the skier is 8.67 m/s. After coasting a distance of 1.92 m up the slope, the speed of the skier is 4.33 m/s. Calculate the work done by

    asked by Fallon
  22. chemistry

    what type of intermolecular force describes the interaction between Ca2+ and Mg2+ with water? a. dipole-dipole b. hydrogen bonding c. ion-dipole d. London dispersion

    asked by Shannon
  23. southwest asia

    which of the following is necessary for large-scale farming to take place in southwest asia? a. use of fossil waters b. dams and irrigation systems c. desalinization and water treatment processes d. water from and oasis

    asked by bree
  24. SCIENCE 1

    The van der waals equation incorporates corrections to the ideal gas in order to account for the properties of real gases one of the correcctions accounts for A.attractions between molecules B.the quantum behavior of molecules C.that average kinetic energy

    asked by Dave
  25. chemistry

    One end of an open-ended manometer is connected to a canister of unknown gas. The atmospheric pressure is 1.03 atm. The mercury level is 18.6 mm higher in the U-Tube on the side open to the atmosphere than on the side attached to the canister. What is the

    asked by steve
  26. science

    Which of the following has a boiling point which does not fit the general trend. NH3 PH3 SbH3 AsH3 I am going with NH3 as i think its to do with "the larger the compound the greater the boiling point"(Vander waals forces) Am I correct?

    asked by Anonymous
  27. psy

    just want to know if i am in the right direction make example sentence for praticing generalization, discrimination, extinctiom, spontaneous recovery, positive reinforcement, negative reinforcement, punishment generalization 1.John was frightened by a

    asked by anna
  28. language

    When you are interviewed, be relaxed and friendly. Write a thank-you note to the potential employer when the interview is over. The most effictive combination of sentences 10 and 11 would include which of the following groups of words? a)friendly;but write

    asked by none
  29. Physics 203

    A supersonic plane flies directly over you at 1.8 times the sound speed. You hear its sonic boom 20s later. What is the plane's altitude, assuming a constant 340 sound speed?

    asked by Mike
  30. CHEMISTRY

    a gas mixtuer consists of equal masses of methane(molecular weight 16.0) and argon (atomic weight 40.0) if the partial pressure of argon is 26.6 kPa, what is that of methane in the same units? 10.7 26.7 66.7 34.1 I am going with 26.7 Do you agree and why

    asked by Andy
  31. Intermediate Accounting

    A note receivable Mild Max Cycles discounted with recourse was dishonored on its maturity date. Mild Max would debit: A. A loss on dishonored receivable. B. A receivable. C. Dishonored note expense. D. Interest expense.

    asked by Moore
  32. CHEMISTRY

    A mixture contains 5.00 g each of O2, N2, CO2, and Ne gas. Calculate the volume of this mixture at STP. Calculate the partial pressure of each gas in the mixture at STP. How do you calculate the mole fraction of each gas?

    asked by ~anonymous
  33. calc Urgent please

    A boat heads 15 degrees west of north with a water speed of 3m/s. Determine its velocity relative to the ground when there is a 2m/s current from 40 degrees east of north. How long does it take to cross the river which is 800 m wide? Where does the boat

    asked by Ariza
  34. Grammar

    Two men went on a fishing trip on the gulf lo Mexico and caught 25 fish. The verbs in this phrase are "went" and "caught" right because it shows the action of what they did??

    asked by Fabian
  35. chemistry

    how many grams of ammonium sulfate are needed to make a .25 M solution at a concentration of 6M?

    asked by mora
  36. stats

    since the stock market began in 1872, stock prices have risen in about 73% of the years. Assuming that market performance is independent from year to year, what's the probability that a) the market will rise 3 consecutive years? b) the market will rise 3

    asked by Anonymous
  37. social studies

    in its signed petition to the king, which rights did the First Continental Congress claim colonists had?

    asked by gianni
  38. SCIENCE 1

    for following reaction at equilibrium if we increase the reaction temperature the equilibrium will 2SO3(g)2SO2(g)+O2(g)(deltaH degrees=198kJ) A. not shift B.the question can not be answered because Keq is not given C.shift to the right D. shift to the left

    asked by Dave
  39. calculus

    a circle of radius 1 rolls around the outside of a circle of radius 2 without slipping. the curve traced by a point on the circumfarence of the smaller circle is callled an epicycloid. use the angle theta to find a set of parametric equations for this

    asked by Nancy
  40. 7th grade

    what kinds of energy take place when you turn a light switch on?

    asked by bianca
  41. Physics

    The speed of sound in water is 1498 m/s. A sonar signal is sent straight down from a ship at a point just below the water surface, and 1.65 s later, the reflected signal is detected. How deep is the water?

    asked by Kalley
  42. chemistry

    what type of intermolecular force describes the interaction between Ca2+ and Mg2+ with water?

    asked by Boyce
  43. Grammar

    Tony liked that car at the dealership. The verb in this phrase would be "at" right because it shows the action of where he likes the car??

    asked by Fabian
  44. english

    When you are told time after time that there are no (jobs. And it) is time for some creative thinking and acting. What is the best why to write ( jobs. And it) 1)jobs. And it 2)jobs, or it 3)jobs, it 4)jobs, if it 5)jobs, and it

    asked by morgan
  45. english

    When you are in school, almost any Subject seems a potential area for a good job. what correction should be made in this sentence? 1)replace you are with one is 2)remove the comma after school 3)change Subject to subject 4)insert a comma after area 5)no

    asked by morgan
  46. Grammar

    The united states of america is located in north america. Is the verb in this sentence just "is" or is "located" a verb to??

    asked by Fabian
  47. chemistry

    How much concentrated 12 M hydrochloric acid is needed to prepare 100.0 mL of a 2.0 M solution?

    asked by {RayRay} NEED HELP PLZ
  48. HAMLET

    Whats this mean? And liegemen to the Dane.

    asked by Courtney
  49. chemistry

    how much energy would be needed to warm 7.40 g of water by 55 degrees celcius

    asked by lisa
  50. physics

    Okay we have this problem: 50 kg mass traveling at 10 m/s strikes a 100kg mass at rest find the final velocity each....if... 1. it is elastic 2. if it isnt elastic i know for an elastic something has to be 100% like 100% of momentum is conserved. I don't

    asked by Mary
  51. physics

    A 0.620 kg basketball is dropped out of a window that is 6.40 m above the ground. The ball is caught by a person whose hands are 1.61 m above the ground. How much work is done on the ball by its weight?

    asked by Fallon
  52. Science

    Are there differences between plant and animal cell division?

    asked by Sara
  53. physics

    Forces of 20 N at 80 degrees, and 50 N at an angle of 210 degrees, measured counter-clockwise from the positive x-axis, act on an object. What are the components (Fx, Fy) of the resultant force (in Newtons)?

    asked by Fallon
  54. science/chemistry

    Dr Bob Although helium atoms do not combine to form He2 molecules. is it true to say that He atoms are weakly attracted to one another from London dispersion forces (induced dipole forces) or is there another force at play? It cant be Hydrogen

    asked by Andy
  55. algebra

    students in a biology class just took a final exam. a formula for predicting the average exam grade on a similar test t months later is. s(t)=78-15log(t+1) (a)find the students average score when they first took the final exam. (b)what would be the

    asked by selina
  56. finance

    Dixon Corporation is considering a public offering of common stock. The firm will offer one million shares of common stock for sale. The estimated selling price is $30 per share with Dixon Corp. receiving $26.25 per share after the offering. Registration

    asked by john
  57. physics

    a piece of wire has a resistance of R , it is cut into three pieces of equal length,and the pieces are twisted together parallel to each other. what is the resistance of the resulting wire in terms of R

    asked by brad
  58. reimbursement methodologies

    Could someone please check my answers for me..Thanks 1. Mary needs Medicaid coverage. Where should she start looking for information to determine her eligibility? A. The local hospital social services department B. Her employer C. The federal government

    asked by Anonymous
  59. business

    On a Corporation's balance sheet, a large tract of company-owned land is reported at its original cost of $50,000. The owner of the company is upset, because he thinks the land's true value is ten times that amount. He fears the low-cost figure may hurt

    asked by Sheila
  60. english

    No adequate dictionary of the entire English language exists untill the middle of the eighteenth century. what correction should be made? 1)change the spelling of adequate to adequate 2)chnage exists to existed 3)insert a comma after exists 4)replace

    asked by kayci
  61. Chem

    Compare and contrast the rate at which a sugar cube in cold water and granulated sugar in warm water would dissolve. Include how surface area and the temperature of the water might affect the rate at which each dissolves. Create a statement about which

    asked by Anonymous
  62. education

    Creating a Plan for a Culturally Diverse (Resources: Appendix A and all reading assignments for the course) -Consider that each person in the education profession should continually add items to his or her professional portfolio to represent his or her

    asked by mashmoum
  63. CHEMISTRY

    I am confused about this statement about water Which of the following is TRUE regarding water only covalent bonds are broken when ice melts (dont think so) all of the staements (A-D) are false energy must be given off in order to break down the crystal

    asked by Andy
  64. Chemistry

    What property of the following reaction might be qualitatively measured to follow the rate of reaction? A) C(s) + H20(g) > H2(g) + CO(g) B) Cu(s) + 2Ag+(aq) > Cu2+(aq) + 2Ag(s)

    asked by Mia
  65. Econ

    In the hope of high returns, venture capitalists provide funds to finance new (start up) companies. However, potential competitors and structures of the market into which the new firm enters are extremely important in realization of profits. Among

    asked by Riley
  66. language

    First, you should study the openings posted in the local newspapers-subscribe to all of them if possible, or read it at the public library. what correction should be made? a)replace you with one b)replace you with they c)insert a comma after openings

    asked by none
  67. English

    Hamlet Whats this line mean? Nay, answer me: stand, and unfold yourself.

    asked by Courtney
  68. language

    Lets say that two drivers are involved in an auto accident, and one is injured. what correction should be made? 1)chnage Lets to Let's 2)insert a comma after say 3)remove the comma after accident 4)change is to was 5)no correction im going to say 1

    asked by kayci
  69. Physics for understanding

    Okay we have this problem: 50 kg mass traveling at 10 m/s strikes a 100kg mass at rest find the final velocity each....if... 1. it is elastic 2. if it isnt elastic i know for an elastic something has to be 100% like 100% of momentum is conserved. I don't

    asked by Mary
  70. math

    35 divided by [9 plus (9-7) minus 4] plus 10 times 3..can someone please explain how to do this problem math - Evan, Tuesday, May 11, 2010 at 8:37pm think of "Please Excuse My Dear Aunt Sally" P is for paranthesis first E is for exponents M and D are for

    asked by danny
  71. chemistry

    which color of the visible region of the electromagnetic spectrum has the highest energy? a. red b. blue c. green d. violett

    asked by alex
  72. language

    Familiarize oneself with the types of jobs most often available, with the various employment offices, and with the skills most in demand. what correction should be made? a)change Familiarize to Familiarized b)replace oneself with yourself c)insert a comma

    asked by none
  73. geometry

    a cylinder has a volume of 19cm cubed, if the radius is doubled what is the volume of the new cylinder

    asked by trejohn
  74. Math

    A cone has a diameter of 12 feet and a slant height of 20 feet, if you triple both dimensions will it triple the surface area?? PLEASE ANSWER QUICKLY!!!

    asked by Withheld
  75. Chemistry

    Explain the effect each of the following has on the rate of a reaction. reactivity of reactants inhibitors

    asked by Sarah
  76. chemistry

    0.10 mol of molecule A is added to 1.0 mol pf molecule B.The initial volume of B was 1.1L and the final volume of the solution is 1.039L. Assuming that the partial molar volume of B is exactly 50% greater than that of A, find the partial molar volumes of

    asked by mistylight04
  77. math

    What is the mean mediam and mode for 64,75,62,90,81,52,80,99,100,65,75,61,0,106,72,70,80,92,90,102

    asked by zac
  78. philosophy

    What fallacies, if any, are present in the following passage? Can you please give reasons for your answer, that is, if you say that a fallacy has been committed, then show where the fallacy occurred, and explain why you think it is a fallacy? Background:

    asked by stormy
  79. 9

    In an closed vessel 300 torr of argon gas is filled and the vessel heated to 925 degree celcius from room temperature. What will be the pressure at 925 degree celcius .

    asked by radhakrishnan
  80. geometry

    What is the sum of the interior and the exterior angles of a 100-gon? Would the interior be (100-2)180 = 98*180=17640 degrees. is the exterior figured out 360/100= 3.6 degrees.

    asked by BWB
  81. physics

    is the acceleration of a child sitting near the center of a merry go round larger than the acceleration of a child sitting near the edge of the same merry go round?

    asked by Kelsey
  82. math

    35 divided by [9 plus (9-7) minus 4] plus 10 times 3..can someone please explain how to do this problem math - Evan, Tuesday, May 11, 2010 at 8:37pm think of "Please Excuse My Dear Aunt Sally" P is for paranthesis first E is for exponents M and D are for

    asked by danny
  83. Economics

    In the hope of high returns, venture capitalists provide funds to finance new (start up) companies. However, potential competitors and structures of the market into which the new firm enters are extremely important in realization of profits. Among

    asked by Riley
  84. chemistry

    Dr bob can you help with my last question for tonights home work please A gas mixture consists of equal parts of methane(molecular weight 16.0) and argon (atomic weight40.0). if the partial pressure of argon is 26.6 kPa what is that of methane in the same

    asked by Andy
  85. language

    A number of States have adopted no-fault auto insurance, but what is it exactly? what correction should be made? 1)chnage States to states 2)change have to has 3)change have adopted to adopted 4)remove the comma after insurance 5)change what to which i

    asked by kayci
  86. English - Macbeth

    In Act 3, scene 3, Macbeth sends a third murderer to help the other two murder Banquo and his son. Does the third murderer know as much about Banquo as Macbeth says he does? From what I see, it seems as if it could go either way. For example, this part:

    asked by Stuck
  87. Business

    Explain why the cost structure associated with many kinds of information goods and services might imply a market supplied by a small number of large firms. (At the same time, some Internet businesses such as grocery home deliveries have continually

    asked by Riley
  88. physics

    Suppose the smallest division on the scale of the timing device is t, the reaction time of a normal person os t', which one should be used for estimating the incertainty on the measurement of period T after a single timing activity? Explain briefly.

    asked by gay
  89. physics

    a 500.0 ohm resistor is connected in a series with a capacitor.what must be the capacitance of the capacitor to produce a time constant of 2.00 s

    asked by brad
  90. Math

    Marx clothing store is selling a lot of items. On monday 495 items were sold. on tuesday 450 items were sold. on friday 593 items were sold. Marx's misplace the totals for wed and thurs but the average over the five days was 494 items per day. What could

    asked by Logan
  91. algebra

    Formula given: H=7+70t-16tsquared. Ball kicked straight up from a height of 7 feet. Ball travels 70 feet per second. How high is the ball after 3 seconds (t)?

    asked by Rick
  92. SCIENCE 1

    the van der waals equation incorperates coreections for the ideal gas law in order to account for the properties of real gases. one of the corrections accounts for A.the average kinetic energy being inversely proportional to temperature B. the possibility

    asked by Dave
  93. Social Studies

    Although most of South America lies within the tropical latitudes,

    asked by Anonymous
  94. math

    Suppose that the width of a rectangle is 5 inches shorter than the length and that the perimeter of the rectangle is 50 inches. The formula for the perimeter of a rectangle is P=2L+2W. a) Set up an equation for the perimeter involving only L, the length of

    asked by tasha
  95. physics

    a 40.0 ohm resistor and a 90.0 ohm resistor are connected in parallel, and the combination is connected across a 120 V dc line. A)what is the resistance of the parallel combination. B)what is the total current through the parallel combination. C)what is

    asked by brad
  96. Chemistry

    A steel container of oxygen has a volume of 20.0 L at 22 C @35 atm. What is the volume @ STP? How many mol of oxygen are in the container?

    asked by hanna banana
  97. math

    what is the unit rate for 250 miles in 5 hours

    asked by craig
  98. Math

    67/100 simplified

    asked by Danielle (7th grade)
  99. LAL!

    Noun Clauses 1. is this noun clause used as a predicate noun? - Kendra is asking WHY you are acting that way. 2. is this noun clause used as direct object? - Do you know WHO is in charge of counting votes? thank you

    asked by Sara!
  100. chem

    Hi..Can you balance these 4 chemical reactions for me please: 1) Cu + 2Ag NO3 2) Zn + Al(NO3)3 3) Cu + ZnSO4 4) Ca + 2HCI Also will a chemical reaction occur in any of these? Thanks so much Stacey

    asked by Stacey
  101. accounting

    how can financial managers budget for unforseen events that require large capital outlays?

    asked by shirlee
  102. language

    Opponents of no-fault disapprove of limiting a person's right to sue and collect damages. 1)disapprove of limiting 2)disapproves of limiting 3)disapproved of limiting 4)are disapproving of limiting 5)disapprove of having limited 1

    asked by kayci
  103. Chemistry--titrations

    What characteristic of phenolphthalein makes it appropriate to use in a HCl/NaOH titration? and is it possible to do a titration without it, and without using another indicator? Why? I really don't get all this because i was gone for the lesson.....

    asked by Alexa
  104. chemistry

    the reaction between CV+ and -OH, is CV+ lewis acid and OH lewis base

    asked by bme1
  105. math

    In a test, the average was 74 points/100 points. After the test, three of students relocate. Then the average was 75 points/100. The circumstances of the students were 6:5:3. How many points did the three students have? I know the answere is 45, 75 and 90,

    asked by Simon
  106. physics

    Is there any investigations of forced oscillations of the spring-mass system?

    asked by gay
  107. chemistry

    Calculate the mass of CO2 dissolved in 2.480L of water at 350.7torr if henry's law constant is 0.03100

    asked by manda
  108. Chemistry!!

    A steel container of oxygen has a volume of 20.0 L at 22 C @35 atm. What is the volume @ STP? How many mol of oxygen are in the container?

    asked by hanna banana
  109. reading

    this is for a crossword puzzle,a visitor to a new place,one on a tour?

    asked by katy
  110. Finance

    I am very lost with this assignment can someone please help me. I just need one sample thank you. The Lanford Corporation had 2008 sales of $110 million. The other pertinent financial data for 2008 is as follows: 2008 Sales $110,000,000 Dividend Payout

    asked by Martha
  111. algebra

    Graph: y = x - 6

    asked by marie
  112. physics

    is the acceleration of a child sitting near the center of a merry go round larger than the acceleration of a child sitting near the edge of the same merry go round?

    asked by Kelsey
  113. Chemistry

    What property of the following reaction might be qualitatively measured to follow the rate of reaction? A) C(s) + H20(g) > H2(g) + CO(g) B) Cu(s) + 2Ag+(aq) > Cu2+(aq) + 2Ag(s)

    asked by Mia
  114. maths

    which of the following statements is incorrect? 1 microlitre=10^-6 litres 1 megagram=10^6 grams 1 millimetre=10^3 metres 1 kilogram=10^3 grams 100 centimetres=1 metre thanks andy

    asked by Andy
  115. english

    Can some one help me understand what im supposed to be looking for with this question. Not sure what is being asked. o Identify at least three different learning styles and develop a strategy for effective communication and collaboration amongst your

    asked by jen
  116. algebra

    3 wk trip with a budget of $600 for rental car. Rental rates are $135/week plus $0.17/km. write a formula to show the number of kilometers the family can travel and how many kilometers can they travel based of formula

    asked by Angie
  117. Accounting

    Are "trading assets" and "deferred tax assets" considered quick assets? Thanks.

    asked by Mike
  118. Critical thinking

    I need help understanding inductive and deductive arguments and stated and unstated premises. Thank you

    asked by Envelope
  119. math

    Which answer best describes the mass of the muffin shown a) about 10 kg b) about 5 kg c) about 100g d) about 1?

    asked by Jehan
  120. LAL!

    is this sentence a noun clause ? i am sitting in the beach where the sun is shining. if not how should i make it a noun clause using (where the sun is shining)

    asked by Sara!
  121. language

    In this case, the injured driver received payment from his own insurance company. 1)driver received 2)driver, received 3)driver will have received 4)driver receives 5)driver, receives 4

    asked by kayci
  122. philosophy

    waht role does justice play in post colonial philosophy?

    asked by lisa smith
  123. geometry

    How do you find the area of a trapezoid and a kite?

    asked by Aminah
  124. math

    In a test, the average was 74 points/100 points. After the test, three of students relocate. Then the average was 75 points/100. The circumstances of the students were 6:5:3. How many points did the three students have? I know the answere is 45, 75 and 90,

    asked by Simon
  125. chemistry

    which one of the following is a direct result of "hard water"? a. formation of a bathtub ring b. discoloration of clothers c. water spots on dishes d. maeks your skin feel slipper to the touch. I think its A but just wanted to double check.

    asked by alex
  126. accounting

    Think back over what you have studied and learned in this course. Do you have a new perception of or appreciation for the field of accounting and how it contributes to business? Explain

    asked by Demetrice
  127. Phsycis 203

    You're standing by the roadside as a truck approaches, and you measure the dominant frequency in the truck noise at 1105Hz . As the truck passes, the frequency drops to 885Hz. What is the truck's speed?

    asked by Mike
  128. math

    1)In the figure, the vertices of right-angled isosceles triangle ABC are A, B(2,0) and C(8,0) respectively. find the equations of AB and AC 2)If the x-intercept and y-intercept of the straight line L: B(y-2) =Ax+8 are -8 and 3 respectively, find a)the

    asked by Help
  129. math

    is y=a a linar or nonlinar function?

    asked by :]
  130. Geometry equation

    I do not understand how to work a problem or equation out for geometry. The equation refers to two parrellel lines that have a transversal line running diagonal through each one. The exterior anglebottom left part of the top parrellel line, measures at 52

    asked by BWB
  131. Environmental Science

    Are there any good websites on coral reefs ? I'm working on my research paper, and this is what I have so far. Coral reefs, also called the rain forests of the oceans, are the second richest ecosystem on Earth. They have this nickname because of the

    asked by y912f
  132. math

    35 divided by [9 plus (9-7) minus 4] plus 10 times 3..can someone please explain how to do this problem

    asked by danny
  133. physics

    Starting from rest, a ball of mass 5 kg experiences a constant force of 40 N for 12 s. What is the final kinetic energy (in J) of the ball after 12 s?

    asked by Fallon
  134. biology

    how are sperm formation and egg formation similar?

    asked by nara
  135. biology

    what is the equation for liver enzymes and hydrogen peroxide?

    asked by Mary
  136. Math

    Find each products. -2/3n^2(-9n^2+3n+6) Thanks

    asked by Shadow
  137. Quality Management and Productivity

    (Effects of Quality Management on Domestic and Global Competition Paper) - Write a 700-word paper in which you compare and contrast quality management at two organizations in the same industry. - One organization must compete in the domestic market and one

    asked by Mike
  138. Math

    Can someone please condense this expression. I do not know how. 1/2ln(x^2+1)-4ln1/2-1/2[ln(x-4)+lnx]

    asked by Joe
  139. human anatomy

    one day, at the high jump mat, Lucy,a 4'4 jumper, asks Georgina, a 5' jumper."When running here,breathing doesn't really count right? I mean we're only going less than 50 meters. What difference does it make if we hold our breath?" Georgina sighs and

    asked by taryn
  140. Algebra 1

    how to slove this question (a-8)(a-9)

    asked by george
  141. algebra

    The countries "Drømmeland", "Erkerivalia" and "Fantasia" had a competition. Please tell me how maney gold medals the won each with these sentences. 1. They won 17 medals in all 2 "Erkerivalia" won three times more medals than "Fantasia" 3. If

    asked by Simon
  142. Social Studies

    I'm doing a Medieval ABC book, and I need to draw an illustration for each word. How can I illustrate "zeal"? Also I hope I picked the correct school subject..?

    asked by Lea
  143. Geometry

    how do you find the area of the lateral face of a regular pyrimid?

    asked by Aminah
  144. crt

    what type of fallacies is Letter to the editor: “Andrea Keene’s selective morality is once again showing through in her July 15 letter. This time she expresses her abhorrence of abortion. But how we see only what we choose to see! I wonder if any of

    asked by nisha
  145. Finance

    Macho Tool Company is going public at $50 net per share to the company. There also are founding stockholders that are selling part of their shares at the same price. Prior to the offering, the firm had $48 million in earnings divided over 12 million

    asked by Susan
  146. Science

    I need an idea of a simple machine that has the following: -needs to include atleast one of the 6 simple

    asked by Livi
  147. chemistry

    in any experiment does water in a beaker absorb or release energy in the form of heat?

    asked by alex
  148. 5th grade

    Carol uses the same ratio table to solve the problems below. Do you agree or disagree? 8 cows/2 pigs = c cows/10 pigs 2 pigs/8 cows = 10 pigs/c cows

    asked by Stephanie
  149. us history

    what was life like after the war of Iraq in the year of 1800?

    asked by matthew jackson
  150. biology

    can someone explain in simpler term what a nonvascular plant is? please and thank you (:

    asked by Marina
  151. math

    What is 348 in base 6?How do I calculatethis?

    asked by Kristi
  152. history

    What are the major differences between Theravadin and Mahayana Buddhism? In your opinion, what type of person might be attracted to each type and why?

    asked by jan
  153. biology

    which group of seed producers are the largest, most massive and oldest in the world? angiosperms or gymnosperms?

    asked by Marie
  154. Math

    How would I calculate the perimeter of a hexagon (which can be divided into 6 congruent equilateral triangles) which is inside a circle with an area of 314^2 cm? Many thanks

    asked by Nick
  155. math

    i need help with my homework

    asked by karla
  156. algebra

    1.Vicki budgeted $70 to buy a new winter coat. Does she have enough money to buy a coat regularly priced at $89 that is now marked down 30%? Use the sales tax at 7% to determine the final cost of the coat. 2.Joe asked his boss to advance him part of his

    asked by Mz. Swagga
  157. Physics

    You are creating transverse waves in a rope by shaking your hand from side to side. Without changing the distance your hand moves, you begin to shake it faster and faster. What happens to the amplitude of the wave?

    asked by Kalley
  158. MATH!!!!

    Can you reduce 100 percent when it is in fraction form? if so please give me the answer. Thank You!

    asked by Danielle (7th grade)
  159. math

    spacial area.I don't get it!!!!

    asked by Caroline
  160. Math

    I have to write an example of an algebraic expression and an equation in word problem form can anyone help me with this? I am unsure where to even begin.....

    asked by Tina
  161. biology

    what is the equation for liver enzymes and hydrogen peroxide?

    asked by Mary
  162. math

    jake put $ 600 in the bank for 4 years at 2.5% interest a) how much interest will he earn after three years b) what is the total amount in his bank account at the end of three years

    asked by pranathy
  163. Geometry-

    Which point(s) of concurrency in a triangle is (are)never outside the triangle? Is the orthocenter the only concurrency point that stays inside a triangle?

    asked by BWB
  164. statistic

    You draw a random sample of 300 employee records from the personnel file and find that the average years of service per employee is 6.3, with a standard deviation of 3.0 years. a. What percentage of the workers would you expect to have more than 9.3 years

    asked by carp;
  165. math

    you must do ahomework in math,history, science and georaphy in how many diffrent or derscan you do yor homework?

    asked by Anonymous
  166. Algebra 2.

    12(2)^x+3+6=42 (X+3 is raised to the power of 2 only)

    asked by Karin
  167. chemistry

    when is a chemical bond broken

    asked by chicken littell
  168. Fracture Math word

    3/8 of kilogram is something wooden.----- 4/5 of space is a step. -----

    asked by Monica
  169. science

    Should humans strive to preserve a representative sample of all biomes or aquatic zones?

    asked by misty
  170. Biology

    Can somebody find the pollinators for the following plants please, i am in way over my head and cant even find a website for one. if you don't want to help it is understandable but can you please contact me at (mw2.genius@gmail) with a suggestion for a

    asked by Rex Wagner
  171. 4th grade

    what are the seven nomes?

    asked by donna phan
  172. HCA 210

    How has the payment of health care providers evolved over time? What caused these changes?

    asked by Monica
  173. CHEMISTRY

    do you agree that HCL is the beast choice for a substance that has both dipersion forces and dipole-dipole forces ? The choices I have are : Br2 HCl H2 CO2 BCl3 HCL is the most sensible answer. Do you reckon so too? thanks andy

    asked by Andy
  174. algebra

    what is 7-4 as subtracting inetgers please show me how you got it

    asked by sam
  175. 5th grade algebra

    how do I solve 3/4 +1/2= 1 1/y y=?

    asked by Irma
  176. Philosophy1

    Locke says, "nor is it at all material to say that this same and this distinct consciousness, in the cases above mentioned, is owing to the same and distinct material substances or no" Locke was talking about consciousness defining who we are. I would

    asked by S
  177. Business Managment

    What are 3 principles that are important to follow when managing change in a business?

    asked by Krystal
  178. arithmetic

    For a given arithmetic sequence, the 90th term, is equal to -230 , and the 8th term, is equal to 16 . Find the value of the 31st term .

    asked by Victoria
  179. 5th grade

    What is the pattern for the following input and output sequence? x 24 8 4 3 36 a 3 9 18 24 2 How do you figure out the algebraic equation?

    asked by Anonymous
  180. science

    List three uses of copper that illustrate three properties of metals.

    asked by rhon
  181. science

    How do atoms with different atomic numbers differ from each other?

    asked by rhon
  182. Philosophy1

    Locke says, “Make these intervals of memory and forgetfulness to take their turns regularly by day and by night, and you have two persons with the same immaterial spirit, as much as in the former instance two persons with the same body.” I am having

    asked by S
  183. math

    how long do guys take answer questions

    asked by karla
  184. Pre-Algebra

    I need work the answer is 5 but i keep getting 4.5 if anyone can help me on the rest i got a page of work! 2y=20-4x*0

    asked by Alex
  185. Math

    solve the system of linear equations using the addition method. Can you please show me the steps on how you reached the answer. Thank You 2x+20y= -144 12x+5y= 56

    asked by Heather
  186. chem

    Oh Dr.BOB...I am so lost..and sooo frustrated. Can you explain to me how to balance a chemical equation one more time please. Thanks Stacey

    asked by Stacey
  187. LAL!

    noun clasues 1. is this clause an object of a preposition -this mail goes in WHICHEVER box is marked "smith" 2. is this clause a direct object -the dogs know WHERE the cat often hides.

    asked by Sara!
  188. SCIENCE 1

    Does a snails shell grow at the same rate as the snail?? HOW???

    asked by Andy
  189. Science

    What are 3 examples of forces in nature which cause Physical or Mechanical Weathering

    asked by Dee
  190. math

    what would be the 6th term, 1,2/3,4/9,8/27,16/81

    asked by gena
  191. math

    what is the answer for (h+3)(h+4)

    asked by george
  192. English

    Hi there, I am doing a presentation comparing women in Hamlet times to women today. But i need help finding a cartoon representing women from Hamlet's time. Please direct me to links for this.

    asked by Darren
  193. history

    What do Disraeli and William Gladstone have in common? What do they not have in common?

    asked by Taylor
  194. Math

    The answer is 5/8 the digits are 1,1,2, and 8.I can't figure out how to find the answer.

    asked by Blaine
  195. Alegebra

    x^-5xs-24s^ I am having trouble w*orking this problem could someone help me.

    asked by Keaton
  196. Math

    Mr. Evans, Mrs Brooks and Mr. Soto are carpentersfrom Durham. They made 34 chairs all. Mr. Evans made 4 chairs than Mrs. Brooks. Mrs. Brooks and Mr. Soto made the same numbers of chairs. How many chairs did Mr. Evans make? a) 14 chairs b) 10 chairs c) 9

    asked by Jehan
  197. Grammar

    James spent most of his time with his spouse at the botanic gardens. Is the verb in this phrase just "his" or are there more

    asked by Carlos
  198. social studies

    what 2 counties where influiential politicals have lived or currently living? i am thinking madison and orange counties

    asked by chioma
  199. Marine Science

    Approximately how many Southern Sea Otters are there now?

    asked by 12th grader
  200. Algebra

    (2*x)(4*y)=192

    asked by Simon
  201. arithmetic

    what is the sales tax on a $48 purchase if the tax rate is 6.5%

    asked by marcellus
  202. science

    What actually happens if we mix the chloroform with hexane? what is the exact reaction between them & is the resulting product ia stable?

    asked by shilpa
  203. trig

    Please graph the following function: y = tan (2(theta) + (pi)) + 1

    asked by Cate
  204. math

    Find the Magnitude and direction of the resultant force. three forces with magnitude of 50,20, and 40 points acting on an object at angle 60 degres, 30 degrees, and -90degrees,k respectevly with the positive x-axis.

    asked by Nancy
  205. world history

    where did this quote come from? "The Americans began the revolution against England because they were such good Englishmen"

    asked by kelley
  206. World History

    How did the motives and administration of colonies during this period of “new imperialism” differ from the previous time period?

    asked by Evan
  207. racial.ethnics

    What does the future hold for Hispanic-Latino panethicity? I assume we will all continue to mix with each other, but will there be anything else?

    asked by annette
  208. philosophy

    what is the immaterial spirit?

    asked by S
  209. Health

    How has the payment of health care providers evolved over time? What caused these changes

    asked by Casy
  210. math

    What is 348 in base 6? How do I calculate this?

    asked by Kristi
  211. History

    I need to know if there is a site that lists federal presidential campaign financing laws, legal & illegal. All I can find is sites that have box diagrams. Thanks

    asked by Sue
  212. 2nd grade

    there are 20 pages in jamals book he read 1/5 of the book how many pages did he read

    asked by Adrik
  213. math

    how do you simplify 15/56?

    asked by hannah
  214. LAL!

    can u please give me a sentence for this phrase as a noun clause? what the score was

    asked by Sara!
  215. science

    which of the following has both dispersion forces and dipole-dipole forces? Br2 HCl H2 CO2 BCl3 I reckon its HCl can anyone confirm please

    asked by Anonymous
  216. Biology Research Paper

    Please help! I've been working on this since forever... So, I've got a conclusion and everything for my research paper, I just have to make it longer. I have 3 pages, but not 3 full pages, so what more information can I add to make it longer? Any links

    asked by mysterychicken
  217. Fracture Math word

    3/5 of digit is something you do with a shovel.

    asked by Monica
  218. Fracture Math words

    3/5 of money is a unit. --------- 3/4 of cube is a young bear. ------- 5/6 of factor is a movie star. ------- 3/7 of segment are people. --------- 1/3 of volume is a pronoun.

    asked by Monica
  219. Bio Research Paper

    Can you then tell me what to put in my conclusion? I'm so lost! -MC

    asked by mysterychicken
  220. math

    2x-5+2(2x)+17=-2-5x+(4xy-7)

    asked by me
  221. religione

    ricerca per risunto sul buddismo e l'induismo

    asked by mycol
  222. Web Deign

    What font do you recommend using that is universal on the different browsers? I am using verdana, which I thought worked well on different browsers.

    asked by Jim
  223. GLG 101

    I need help on this. Post a response to the following: Geologic events, such as volcanic activity, play an important role in forming many of our valuable resources, such as fossil fuel,lead, copper, and gold. For example 15.21 on p. 476 of the text shows

    asked by Rayna