1. Algebra 2

    Deandre is a software salesman. Let y represent his total pay (in dollars). Let x represent the number of copies of English is Fun he sells. Suppose that x and y are related by the equation 2400+70x=y Answer the questions below. Note that a change can be

    asked by Jamie on August 26, 2018
  2. Algebra

    Keiko is a software saleswoman. Let y represent her total pay (in dollars). Let x represent the number of copies of History is Fun she sells. Suppose that x and y are related by the equation 2200+90x=y . Answer the questions below. Note that a change can

    asked by Roderick on March 28, 2014
  3. pseudocode

    Assume that your family has 10 members. Assume further that each family member has a certain amount of savings. Your task is to determine: (a) the total amount of savings that the family has, as a whole and (b) to determine who has the largest savings. To

    asked by Anonymous on March 3, 2012
  4. physics

    hey, i was wondering if someone could explain and help me with this problems. please and thank you! A person holds an object of mass m = 4 kg on the palm of the hand with the arm stretched as shown in the attached figure. Use the torque equilibrium

    asked by daniel on November 9, 2010
  5. Math (Help)!

    I'm lost on where to begin with the problem... Someone help explain how the problem should be done. An indoor physical fitness room consists of a rectangular region with a semicircle on each end. The perimeter of the room is to be a 200-meter single-lane

    asked by Amy on September 29, 2015
  6. Scince

    am having trouble with Restate the problem in terms of the following: Manipulated variable Constant (control) variables Principles of experimental design State in correct form the hypothesis you intend to demonstrate. I have conducted the experiment but I

    asked by pookie on December 16, 2008
  7. Algebra

    Pls help me with these problem solving sums ----------------------------------------- 1)You are building a rectangular brick patio surrounded by crushed stone in a rectangular courtyard.The crushed stone border has a uniform width x (in feet) you have

    asked by Anonymous on May 7, 2014
  8. Chemistry*

    The following equation is given: S2O3 -2 + 2H +1 ---> S + SO2 + H2O [HCl] = 2 mol/L [Na2S2O3]= 0.3 mol/L what is the concentration (mol/L) of H+ if you were to add: a) 20 mL of HCL with 5 mL Na2S2O3 & with 5 mL H2O b) 15 mL of HCl with 5 mL Na2S2O3 & 10 mL

    asked by Stephanies on November 4, 2010
  9. Confused! Pre-Cal

    Verify that each equation is an identity.. tan A= sec a/csca I have notes (i wasn't here that day and teacher refuses to reteach) but I don't understand them here is the notes... Problem w/ same directions: Cos x= cotx/csc x = Cosx/Sin x / 1/sinx = cosx I

    asked by Anonymous on January 16, 2007
  10. Chemistry

    a) Tetraphosphorus (P4), commonly known as white phosphorus, forms different compounds with chlorine (Cl2) depending on the amount of chlorine present. If chlorine is limited, phosphorus trichloride (PCl3) is formed. If there is an excess of chlorine,

    asked by Morgan on September 10, 2014
  11. Chemistry

    Tetraphosphorus (P4), commonly known as white phosphorus, forms different compounds with chlorine (Cl2) depending on the amount of chlorine present. If chlorine is limited, phosphorus trichloride (PCl3) is formed. If there is an excess of chlorine,

    asked by Madison on March 27, 2015
  12. chemistry

    Explain in word how you would prepae 250mL of a 3.000 M solution of Ba(OH)2 starting form barium hydroxide and water..... 2 equation 2CoI3 + 3 K2S= Co2S3 + 6KI 2 moles of Cobalt (III) iodide + 3 moles of Potassium sulfide = cobalt (III) sulfide + 6moles of

    asked by pete on October 10, 2010
  13. Physics

    During a parachute jump, the person is initially in free fall and then the parachute is opened. While in free fall, there are two forces acting on the jumper-gravity and air fraction. The faster the jumper is at falling, the more air friction there is. At

    asked by Frank on October 28, 2018
  14. Genetics

    1. Why are we using more dilute cultures for the killing curve while we are using the arg selection culture at full strength? 2.How would you find the arg+ mutants on the killing curve plates? 3. when designing a protocol to produce auxotrophs for

    asked by Mae on March 31, 2007
  15. 5th grade Math

    Read the following word problems, create an expression, and solve. 1. Nadia earned $3 a week. Nathan $4 a week. How much did they earn together after 4 weeks? (3+4) x 4 = $28 2. Audrey has 120 beads. She puts 8 beads on each necklace and 4 beads on each

    asked by Jared on September 7, 2017
  16. Chemistry

    I know how to find half-lives, but I have trouble finding the length of time it would take for the concrentration of X to decrease to Y% of its initial value. For example, this is one of the problems: Methyl isocyanide, CH3NC, isomerizes when heated to

    asked by Rachel on December 16, 2006
  17. Trigonometry

    Write the equation of a sine wave (also called sine curve) given: 1. amplitude = 2 period = pi/2 phase shift = pi/8 vertical shift = 1 2. amplitude = 4 period = 3 phase shift = 2 vertical shift = -1 3. amplitude = 4 period = pi phase shift = -(pi/3)

    asked by Zeke on April 4, 2015
  18. Chemistry

    Note- I do not want the answers. I just need to know how to set up each.. The combustion of isopropyl alcohol (Molar Mass=60.1 g/mole) is described by the following balanced equation: 1 C2H8O + 9 O2 (g) -> 6 CO2 (g) 8H2O (l) + 4012 kJ of heat energy a) How

    asked by Hanna on October 26, 2016
  19. Calculus AB

    Sorry but I've got a lot of problems that I don't understand. 1) Let f(x)= (3x-1)e^x. For which value of x is the slope of the tangent line to f positive? Negative? Zero? 2) Find an equation of the tangent line to the oven curve at the specified point.

    asked by Annie on October 30, 2016
  20. Math (PreCalculus)

    A spring with a weight attached is oscillating. The weight (which is attached at the bottom of the spring) is 5 feet from a 10-foot ceiling when it’s at rest. The motion of the weight can be described by the equation: y=3sin(pi*t - pi/2) , where y is the

    asked by Steve on December 25, 2014
  21. Probability

    Consider a group of n≥4 people, numbered from 1 to n. For each pair (i,j) with i≠j, person i and person j are friends, with probability p. Friendships are independent for different pairs. These n people are seated around a round table. For convenience,

    asked by stud81 on October 3, 2018
  22. Math Test: Probability

    Okay so I have looked a lot of places for some help on my math test. I am going to put down the first 3 questions and answer choices on my test. If you have the same test as I do then could you give me some answers ASAP? Remember, all test aren't the same

    asked by CamDiva on May 31, 2018
  23. personal finance

    They each take home about $42,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen, are 11 and 9. Were either one to die, they estimate that the remaining family members would need about 75% of the present

    asked by ari on January 27, 2010
  24. Chemistry Help Please!!!

    A radioactive substance has a half-life of 4 days. Suppose we have 800 mg of this substance. a) Find the equation of the mass remaining after t days. Use the exact value for k not a decimal approximation. b) Rounding your answer to the nearest tenth of a

    asked by Taylor on April 7, 2014
  25. Calculus Help Please!!!

    A radioactive substance has a half-life of 4 days. Suppose we have 800 mg of this substance. a) Find the equation of the mass remaining after t days. Use the exact value for k not a decimal approximation. b) Rounding your answer to the nearest tenth of a

    asked by Kim on April 9, 2014
  26. vapor pressure

    The total pressure in a flask containing air and ethanol at 25.7C is 878 mm Hg. The pressure of the air in the flask at 25.7C is 762 mm Hg. If the flask is immersed in a water bath at 450C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at

    asked by yayhawknelson on January 19, 2007
  27. Physics

    The current in a very long, tightly wound solenoid with radius a and n turns per munit length varies in time according to the equation i(t)=Ct^2, where the current i is in amps and the time t is in seconds, and C is constant with appropriate units.

    asked by Jasmine on November 14, 2011
  28. Physics

    The current in a very long, tightly wound solenoid with radius a and n turns per munit length varies in time according to the equation i(t)=Ct^2, where the current i is in amps and the time t is in seconds, and C is constant with appropriate units.

    asked by Jasmine on November 13, 2011
  29. Physics

    The current in a very long, tightly wound solenoid with radius a and n turns per munit length varies in time according to the equation i(t)=Ct^2, where the current i is in amps and the time t is in seconds, and C is constant with appropriate units.

    asked by Jasmine on November 13, 2011
  30. Physics

    The current in a very long, tightly wound solenoid with radius a and n turns per munit length varies in time according to the equation i(t)=Ct^2, where the current i is in amps and the time t is in seconds, and C is constant with appropriate units.

    asked by Jasmine on November 13, 2011
  31. Writing

    Formulate a workable thesis statement for each of the following general subjects and topics. Please give me some feedbacks on my thesis statements. Thank you! a. The importance of your family. Thesis: The success of a child depends on the support of his or

    asked by Anonymous on September 15, 2015
  32. writing paragraph and sentences

    Hello Sir/Mam, This is what i have prepared for my first assignment, please let me know all my mistakes like grammar, speeling, punctuations,language, sentences and any other mistakes which you think i have made. and also i want to know if i have put the

    asked by niks on November 4, 2011
  33. to mrs. sue english essay

    I suggest you focus on the purposes of colleges and universities. You can research this topic. Essentially, though, I think you'll find that their purposes are three-fold: to educate students in the classical sense of being well-rounded educated citizens

    asked by julie on November 28, 2007
  34. two friends

    This conversation took place at a local drugstore between Alicia (a customer) and Francine (who works in the store). Keep in mind that Alicia and Francine never really talk to another when Alicia comes into the store FIRST CONVERSATION TOOK PLACE ON MAY 1,

    asked by debbie on June 27, 2008
  35. AED

    i Outlines what a teacher perceives as average skills for a child within the chosen developmental stage · Provides examples of assignments or activities the student would assign to improve reading and writing skills based on what he or she has observed ·

    asked by dawn on July 12, 2008
  36. physics

    A uniform rod of mass M and length d is initially at rest on a horizontal and frictionless table contained in the xy plane, the plane of the screen. The rod is free to rotate about an axis perpendicular to the plane and passing through the pivot point at a

    asked by tyger2020 on December 19, 2018
  37. science (chem)

    what is the chemical eqzn of Na2CO3 + HClO4? Na2CO3 + HClO4 ==> NaClO4 + H2O + CO2 I will leave it for you to balance. how did you get that DrBob The rule on carbonates is: An acid added to a carbonate yields carbon dioxide, water, and a salt. oooh so you

    asked by christina on June 24, 2007
  38. History- check my essay!

    Can someone tell me what they think of what I wrote? Here is the question and my answer: (This homework question was removed due to a copyright claim submitted by K12 Inc.) Answer: Winston Churchill, a strong leader who told it like it was. He was a true

    asked by Anya on January 22, 2011
  39. WRITING

    How can you as a critical thinker tell the difference between prejudicial and non-prejudicial rhetoric? Previous answers to this same question: ----------------- Posted by Ms. Sue on Tuesday, June 20, 2006 at 9:47am. Check these sites to help you answer

    asked by JILL on May 17, 2007
  40. Chemistry

    My question is ..can anyone explain how to do problem #2? I feel lost. :( And could you also explain why? Problem#1, is that a regular dG = dH - TdS problem? Then using Go = -RTlnK to find K? Im just afraid if there are other seps to it.. 1. The combustion

    asked by Lynn on April 6, 2014
  41. Math last one !

    I have seen examples of this but the examples are not helping me solve it or set it up as a y=mx +b The equation y= -1777x + 27,153 can be used to predict the number of gun deaths in the U.S. x years after 2000, x=0 corresponds to 2000 x=3 corresponds to

    asked by Lorri on July 9, 2010
  42. science(chem&statistics)

    I have to write a abstract for my paper I was wondering if it was better to write it at the beginning or the end of the lab report. If I was to eliminate 1 value as an outlier would I go and include that in calculations of the RSD? I would assume not since

    asked by christina on July 12, 2007
  43. Chemistry

    1.Hydrogen gas can be made by reacting methane (CH4) with high temperature steam: CH4(g) + H2O(g) ----- CO(g) + 3H2(g) How many hydrogen molecules are produced when 256 grams of methane reacts with steam? 2. Ammonia (NH3) reacts with oxygen (O2) to produce

    asked by Anonymous on November 30, 2018
  44. Math 209

    Predicting Home Prices Selling prices of homes can depend on several factors such as size and age. The accompanying table shows the selling price for three homes. In this table, price P is given in thousands of dollars, age A in years, and home size S in

    asked by Lulu on March 17, 2012
  45. Math

    I am doing a project, are my answers correct? 1. Find and simplify the volume-to-surface-area ratio for each of the three possible ice cube shapes. You can use this chart. |Shape| S/A Formula|Volume Formula Cube | S.A=6s^2 | V=s^3 6/s Sphere|S.A+4 pi

    asked by Alexia Smith on March 4, 2016
  46. algebra

    P. 620 #56. Predicting Home Prices Selling prices of homes can depend on several factors such as size and age. The accompanying table shows the selling price for three homes. In this table, price P is given in thousands of dollars, age A in years, and home

    asked by genie on November 8, 2011
  47. Chemistry

    When people have indigestion or "heartburn" they often take an antacid to reduce the amount of stomach acid (hydrochloric acid). Two antacids are Mylanta (magnesium hydroxide) and Titralac (calcium carbonate). Jimmy prefres to take Mylanta because Titralac

    asked by Nicole on November 18, 2012
  48. chemistry

    What pressure would have to be applied to steam at 325°C to condense the steam to liquid water (ÄH vap = 40.7 kJ/mol)? Responses Dr bob please! Chemistry - GK, Friday, November 28, 2008 at 11:47pm Use the Clausius-Clapeyron Equation to calculate the

    asked by Rachelle on November 30, 2008
  49. Chemistry

    In need of help setting up each of these problems. Under the conditions in a laboratory experiment, 0.0513 grams of aluminum (At. Wt.=27.0) was reacted with excess hydrochloric acid to produce hydrogen gas according to the following balanced equation: 2

    asked by Anonymous on November 16, 2016
  50. math

    the annual household cost of telephone service in the US increased at a relatively constant rate of $27.80 per year from 1981 to 2001. in 2001 the annual household cost of telephone service was $914. a: what was the annual household cost of telephone

    asked by Taylor on November 18, 2013
  51. math

    the annual household cost of telephone service in the US increased at a relatively constant rate of $27.80 per year from 1981 to 2001. in 2001 the annual household cost of telephone service was $914. a: what was the annual household cost of telephone

    asked by Taylor on November 18, 2013
  52. economics

    The government is trying to adopt a strategy that would optimize the pollution abatement policy of lead in an industrial region. The government estimated the Marginal social benefit curve as MSB=10000-qlead and the marginal cost of abatement as

    asked by Tinu on November 21, 2006
  53. Math

    The average radius r in meters of a planet's path around the sun is given by the formula r=[(3.35 x 10^18)t^2]^1/3, where t is the time in seconds that it takes the planet to go around the sun. a. Rewrite the equation using the root symbol. b. Neptune

    asked by Mandy on October 11, 2007
  54. Math

    Can someone help me reword these two things? I don't like how I did them but I can't think of anything else. Thanks!! 1. PROMPT: What do you do to check whether a number is rational or irrational? In your explanation, use an example of an irrational and a

    asked by cAt.ExE HaS sTopPeD wORkInG on September 25, 2018
  55. Math

    Which of the following ordered pairs is a solution of the equation y equals negative 4 x squared? A. left parenthesis negative 2 comma 16 right parenthesis B. left parenthesis 1 comma negative 8 right parenthesis C. left parenthesis 0 comma negative 4

    asked by ffdf on May 7, 2019
  56. Science

    1. Massive amounts of destructive energy are released when a nuclear fission bomb explodes. Where does that energy come from? a) A chain reaction occurs when uranium atoms split, releasing nuclear energy. b) Molecules break down, releasing chemical energy.

    asked by Lez on May 15, 2016
  57. Introductory Accounting

    The question is Burlin company starts the year with $188,000 in assets and $37,600 in liabilities. Net income for the year is $47,000, and no dividends are paid. How much is owners' equity at the end of the year? So what I thought what i would have to do

    asked by sarah on February 3, 2016
  58. Statistics

    I need help on this one too. Any one willing to get me started? THANKS! Potassium is a mineral that helps the kidneys function normally. It also plays a key role in cardiac, skeletal, and smooth muscle contraction, making it an important nutrient for

    asked by Kasey on August 1, 2007
  59. Literature

    I am doing a collage about Fahrenheit 451 and basically we have to make a collage with chunks of writing about quotes that relates back to our proposal. Would It be okay if someone looked at it? Proposal: I am interested in how the government doesn’t

    asked by Katherine on December 31, 2017
  60. Math

    A swing has a maximum height of 2 m and a minimum height of 0.5 m and it takes 3 seconds to get from the maximum height to the minimum height. Approximate the instantaneous rate of change 1 second into the fall using the difference quotient when h is 0.01.

    asked by Veronica on November 29, 2013
  61. Algebra

    Keiko is a software saleswoman. Let represent her total pay (in dollars). Let represent the number of copies of History is Fun she sells. Suppose that and are related by the equation . Answer the questions below. Note that a change can be an increase or a

    asked by James on March 27, 2014
  62. Chemistry

    4Fe + 3O2 = 2Fe2O3 So in math book it say " You can interpret this equation in terms of representative particles by saying that four atoms of iron react with three molecules of oxygen to produce two formula unit of iron(iii) oxide" Why it say that there

    asked by Shadow on February 24, 2013
  63. Chemistry

    In aqueous solution, hydrochloric acid, HCl, and sodium carbonate, Na2CO3 react to produce gaseous carbon dioxide, CO2, water, H2O and sodium chloride, NaCl. A 10.0 g impure sample of Na2CO3 is dissolved completely in water; then treated with 3.00 mol

    asked by Olivia on June 15, 2014
  64. Chemistry

    Magnesia (MgO) is used for fire brick, crucibles, and furnace linings because of its high melting point. It is produced by decomposing magnesite (MgCO3) at around 1200 oC. 1. Calculate the equilibrium pressure of CO2(g) (in atmospheres) above MgCO3(s) at

    asked by Kegahn on April 6, 2007
  65. physics

    A helicopter flies to the right (in the +x direction) at a constant speed of 14 m/s, parallel to the surface of the ocean. A 1200 kg package of supplies is suspended below the helicopter by a cable as shown in the figure: the package is also traveling to

    asked by Jonas on September 27, 2018
  66. financial management

    your investment advisor has sent you three reports for a young growing company named vegas chips incorporated. these three reports depict the company as speculative but each one poses different projections of the companys future growth in earnings and

    asked by Trudy on July 11, 2011
  67. College algebra

    When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -5t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in meters/sec and “k” is the initial height

    asked by Dimpleface on June 16, 2010
  68. Chemistry

    a) Tetraphosphorus (P4), commonly known as white phosphorus, forms different compounds with chlorine (Cl2) depending on the amount of chlorine present. If chlorine is limited, phosphorus trichloride (PCl3) is formed. If there is an excess of chlorine,

    asked by Morgan on September 10, 2014
  69. Chemistry

    a) Tetraphosphorus (P4), commonly known as white phosphorus, forms different compounds with chlorine (Cl2) depending on the amount of chlorine present. If chlorine is limited, phosphorus trichloride (PCl3) is formed. If there is an excess of chlorine,

    asked by Morgan on September 10, 2014
  70. chemistry

    a) Tetraphosphorus (P4), commonly known as white phosphorus, forms different compounds with chlorine (Cl2) depending on the amount of chlorine present. If chlorine is limited, phosphorus trichloride (PCl3) is formed. If there is an excess of chlorine,

    asked by Morgan on September 10, 2014
  71. fallacies

    I have 3 that I am not sure of: 1. In one of her columns, Abigail Van Buren printed the letter of “I’d rather be a widow.” The letter writer, a divorcée, complained about widows who said they had a hard time coping. Far better, she wrote, to be a

    asked by tanya on November 24, 2009
  72. Physics

    Alex is exploring a cave that has a slight incline and is iced over, forcing her to use ice cleats to explore it. After climbing 50 m into the cave, she finds what she is looking for and she takes out her ice pick and hammer to begin removing the stones.

    asked by cocol on November 25, 2015
  73. Chem.

    If 0.130 g of p-aminophenol is allowed to react with excess acetic anhydride , what is the theoretical yield of acetaminophen in moles? In grams? p-amino. - MW: 109.13g aceta. - MW: 151.16 g ** I just forgot how to do this, I know it's probably REALLY

    asked by Richard on February 27, 2007
  74. Statistics: IQ Score (X) and Exam Score (Y)

    Assuming that the regression equation for the relationship between IQ score and psychology exam score is Y' = 9+ 0.274X, what would you expect the psychology exam scores to be for the following individuals given their IQ exam scores? Individual Tim Tom

    asked by Joy Chapman on October 18, 2011
  75. probablity

    Charlie joins a new reading club, from which he receives books to read. Suppose that books arrive as a Poisson process at a rate λ of books per week. For each book, the time it takes for Charlie to read it is exponentially distributed with parameter μ;

    asked by Anonymous on December 17, 2018
  76. CHEMISTRY

    Ethylamine, CH3CH2NH2, is an organic base with pKb = 3.367 at 298 K. In an experiment, a 40.0 mL sample of 0.105 mol L-1 CH3CH2NH2 (aq) is titrated with 0.150 mol L-1 HI(aq) solution at 298 K. (a) Write a balanced chemical equation for the neutralization

    asked by sabrina: PLease someone help! on November 28, 2012
  77. CHEMISTRY

    Ethylamine, CH3CH2NH2, is an organic base with pKb = 3.367 at 298 K. In an experiment, a 40.0 mL sample of 0.105 mol L-1 CH3CH2NH2 (aq) is titrated with 0.150 mol L-1 HI(aq) solution at 298 K. (1a) Write a balanced chemical equation for the neutralization

    asked by sabrina: Please help on November 28, 2012
  78. CHEMISTRY

    Ethylamine, CH3CH2NH2, is an organic base with pKb = 3.367 at 298 K. In an experiment, a 40.0 mL sample of 0.105 mol L-1 CH3CH2NH2 (aq) is titrated with 0.150 mol L-1 HI(aq) solution at 298 K. (a) Write a balanced chemical equation for the neutralization

    asked by sabrina on November 27, 2012
  79. CHEMISTRY

    Ethylamine, CH3CH2NH2, is an organic base with pKb = 3.367 at 298 K. In an experiment, a 40.0 mL sample of 0.105 mol L-1 CH3CH2NH2 (aq) is titrated with 0.150 mol L-1 HI(aq) solution at 298 K. (a) Write a balanced chemical equation for the neutralization

    asked by sabrina: I am having difficulties with this! on November 28, 2012
  80. CHEMISTRY

    Ethylamine, CH3CH2NH2, is an organic base with pKb = 3.367 at 298 K. In an experiment, a 40.0 mL sample of 0.105 mol L-1 CH3CH2NH2 (aq) is titrated with 0.150 mol L-1 HI(aq) solution at 298 K. (1a) Write a balanced chemical equation for the neutralization

    asked by sabrina: Please help on November 28, 2012
  81. physics

    A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 96.5 kg. The mass of the rock is 0.250 kg. Initially the wagon is rolling forward at a

    asked by Sarah on October 15, 2010
  82. math

    Reading readiness of preschoolers from an impoverished neighborhood (n=20) was measured using a standardized test. Nationally, the mean on this test for preschoolers is 30.9 with SD=2.08. A) Children below the 30th percentile (in the bottom 30%) are in

    asked by Sasha on April 12, 2012
  83. Chemistry

    Initially, 1.68 mol of PCl5(g) and 0.36 mol of PCl3(g) are in mixed in a 2.00 l container. It is later found that 1.44 mol of PCl5 are present when the system has reached equillibrium. Calculate the value of the equllibrium. This is what I did: Equation:

    asked by Lena on July 19, 2009
  84. Chemistry- Drbob-help#3

    I still need help with #3 I'm not sure how I got 1.14M. I have tried to do the problem over, but I not coming up with my original answer of 1.14M. Somehow I am missing a step. Please show work for the 1.14M Thanks Question#9 reads exactly as written. A

    asked by Paul on February 10, 2011
  85. English

    Hello! I will type 2 exercises from the lesson I am teaching on Wednesday-english as a foreign language - 8th graders ( it will be graded) I need you to help me with some ideas. It says: LEAD- IN: A Here is a list of some natural sciences: BIOLOGY

    asked by refy on April 12, 2010
  86. social studies

    what are the relations between Christians, Muslims, and Jews today? How might these relations have been affected by events in the Middle Ages of Europe? please help me That first question is not one that has an easy answer. Here are search results that

    asked by jenny on May 14, 2007
  87. Physic

    Before continuing we need a little more information about the angle factor given in the formula above. It turns out that the angle factor is equal to the cosine of the angle that the light strikes the surface as measured from perpendicular. In this

    asked by Luis on July 15, 2012
  88. Algebra

    To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a.Write an equation using only one variable

    asked by Micah on January 21, 2008
  89. Algebra

    3.To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a.Write an equation using only one

    asked by NA on March 18, 2009
  90. Algebra

    To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. Write an equation using only one variable

    asked by Jack on April 8, 2008
  91. Algebra

    3. To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a. Write an equation using only one

    asked by Anonymous on March 17, 2009
  92. Algebra

    To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a. Write an equation using only one

    asked by Micah on January 21, 2008
  93. Math- Algebra

    To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a.Write an equation using only one variable

    asked by Micah on January 21, 2008
  94. Java programming

    can you show me where is the wrong for this program..because it contains error..i don't know where is it wrong..help..tq.:) import java.util.Scanner; public class BMR { public static void main(String[] args, int x) { Scanner keyboard = new

    asked by yaya on March 13, 2013
  95. English

    THAT is a wonderful idea! A loose leaf notebook where you can organize alphabetically will work beautifully. As you meet a character, give it a page. Then as that character develops, you add information to that page: their alias, characteristics you think

    asked by GuruBlue on July 17, 2007
  96. chemistry

    Kc = [Na+][Cl-]/[NaCl(s)] The above equation contains the concentration of NaCl in solid NaCl. This concentration is related to the density of solid NaCl and its molar mass. Since the density of NaCl or of any pure solid or pure liquid does not vary with

    asked by jessica on July 21, 2009
  97. physcis

    A beam resting on two pivots has a length of L = 9.00 m and mass M =81.0 kg. The pivot under the left end exerts a normal force n1 on the beam, and the second pivot placed a distance 4.00 m from the left end exerts a normal force n2. A woman of mass m=

    asked by Anonymous on November 11, 2012
  98. Literature

    I have to write a book review on a captivity story that I've read. The instructions are: 'Choose a captivity story you know or have read, and share your findings about it in the form of a book review. Summarize the reason for the captivity, the main events

    asked by mysterychicken on October 28, 2009
  99. Com 220

    How does the author of “A Nation Apart” organize information to build his argument? He organizes the information by first presenting problems of China's economic issues. He then goes on to show you some statistics from his sources and quotes the

    asked by David on January 27, 2011
  100. Chemistry

    Cyclohexane is composed of 85.6 % C and 14.4% H. when it is mixed in the proper ratio with oxygen, it can be used as an anesthetic. At 755 mmHg, and 25 degrees Celcius, it has a density of 2.05 g/L. what is the molar mass of cyclohexane and its molecular

    asked by Anonymous on October 15, 2006

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