1. economic

    5) Assume the graph below represents the market demand for a patented prescription drug together with the long run marginal cost and average cost functions for producing the drug. (note: the diagram assumes that at output levels over 50 million AFC ~ 0,

    asked by coqui on April 4, 2012
  2. GEN

    help please.... need more

    asked by troyer0269 on August 17, 2009
  3. Gas Laws and Energy

    I have another question. I've tried it and i keep getting it wrong. The average kinetic energy of a 1.85-g sample of argon gas in a 3.00-L bulb is 1.28e-22 J/atom. What is the pressure of the gas? What is the root mean square velocity of the argon atoms

    asked by Jay on March 2, 2007
  4. physics

    I solved the first question and got the right answer, but I just can't seem to get the correct answer for the second part. (a) An AM radio transmitter broadcasts 52.0 kW of power uniformly in all directions. Assuming all of the radio waves that strike the

    asked by Ashton on October 16, 2014
  5. math

    the length of a rectangular playing field is 5ft less than twice its width. If the perimeter is of the playing field is 230ft, find the lenght and width of the field. How would I even begin to set up the equatin let alone solve the equation

    asked by aiyunna on April 16, 2007
  6. Math

    1. Given the product law of logarithms, prove the product law of exponents. 2. Given the quotient law of logarithms, prove the quotient law of exponents. 3. Apply algebraic reasoning to show that a=b^(loga/logb) for any a,b>0 Please explain these to me.

    asked by Jus on May 25, 2009
  7. physics please help me

    I am solving a problem and someone tol me to use this formula MgH = (1/2)*k*(H-2-10)^2 + Mg*2 where did this equation come from. Its not in my book. What concepts does it use? Is it solved correctly? MgH = (1/2)*k*(H-2-10)^2 + Mg*2 MgH = 0.5k(H-12)^2 + 2Mg

    asked by Chris Adison on April 24, 2008
  8. chemistry

    If 120 mL of 2.8333 M aqueous HCl reacts stoichiometrically according to the balanced equation, how many milliliters of 4.43 M aqueous FeCl3 are produced? Fe2S3(s) + 6HCl(aq) → 3H2S(g) + 2FeCl3(aq) Molar Mass (g/mol) HCl 36.461 FeCl3 162.21 Density

    asked by Judy on June 4, 2010
  9. Statistics

    A national opinion poll found that 44% of all American adults agree that parents should be given vouchers good for education at any public or private school of their choice. Suppose that in fact the population proportion who feel this way is p=0.44. A)

    asked by JJ on December 17, 2013
  10. Precalculus

    Could someone help/verify these answers~ Thanky you! 1.What is the range of the reciprocal function of f(x)=10-x^2? a) {YER|y≥1/10} b) {YER|y≥10} c) {YER|1/10≤y

    asked by Jake on January 10, 2012
  11. science

    Given the list of pKa values, which acid will have the largest amount of conjugate base present in the solution at equilibrium? Acid: Pka: H20 15.7 NH3 38 HCL -8 NH4+ 9.2 H2O NH3 NH4+ HCl

    asked by jennifer on May 8, 2018
  12. Economics

    One supply-side measure introduced by the Reagan administration was a cut in income tax rates. Use an aggregate demand-supply diagram to show what the effect was intended. What might happen if such a tax cut also generated a change in aggregate demand?

    asked by Tonia on September 6, 2006
  13. math

    Sarah and Joe are seeking to join a gym. Sarah saw on television that Great Gym is offering membership at $19.50 per month, plus a one-time registration fee of $59. Joe plans to join Wacky Workout World because Wacky Workout World only charges $9.50 per

    asked by abdullatif on September 15, 2016
  14. Physics

    A golfer, putting on a green requires three strokes to “hole the ball.” During the first putt, the ball roles 5.0m due east. For the second putt, the ball travels 2.1m at an angle of 20 degrees north of east. The third putt is 0.50m due north. What

    asked by Amy on January 23, 2012
  15. Physics

    A golfer, putting on a green requires three strokes to “hole the ball.” During the first putt, the ball roles 5.0m due east. For the second putt, the ball travels 2.1m at an angle of 20 degrees north of east. The third putt is 0.50m due north. What

    asked by Amy on January 24, 2012
  16. Trig Math

    Arc Length Stuff: Have you ever wondered what the circumference of the Earth is? Well, at the Equator, the distance around is about 25000 miles (assuming the Earth is a sphere). What if you wanted to know the distance around at any latitudinal location?

    asked by Rainy Days on February 27, 2018
  17. Math

    Which numbers are perfect squares? A) 64 b)900 c)120 d)1000 e)100 F) 10 000 How do u know each number is a perfect square? A) 1225= 35x35 B) 484= 2 x 2 x 11 x 11 C) 2025 = 45(square) the area of this square is 289 square unit. How so u that it's perfect

    asked by Roxane smith on September 11, 2011
  18. Science, please! help!

    1. How does sea-floor spreading occur? a.New materials are being added to the atmosphere. b. Earthquakes break apart the ocean floor. c. Sediments accumulate at the area of spreading. d. Molten material beneath Earth's crust rises to the surface. 2. Which

    asked by Vanessa P. on February 15, 2017
  19. System of Equations

    After a football is kicked, it reaches a maximum height of 14 m and it hits the ground 32m from where it was kicked. After a soccer ball is kicked, it reaches a maximum height of 8m and it hits the ground 38m from where it was kicked. The paths of both

    asked by Anonymous on July 11, 2018
  20. Chemistry

    The equivalence point of any acid titrated with a base occurs when the A. concentration of the acid and concentration of the titrant are equal. B. mass of the acid and the mass of the titrant are equal. C. pH of the mixture of the acid and titrant is 7.0.

    asked by coco on August 14, 2015
  21. Science (Lab)

    So I have yo do a Lab for science (this is our very first lab, well we did a second one) & I really need help. This ia fictional lab experiment not a real one we are not really doing the experiment. Me 7 my group was doing it together we just have to do

    asked by Laruen on October 8, 2011
  22. phsyics

    The 3.0cm-diameter water line in the figure splits into two 1.0cm -diameter pipes. All pipes are circular and at the same elevation. At point A, the water speed is 2.0 m/s and the gauge pressure is 50 kPa. What is the gauge pressure at point B. I keep

    asked by Allison on November 15, 2010
  23. Chemistry

    HClO(aq) + H2O (l) H3O+ (aq) + ClO-(aq) Calculate the value of ΔGrxn at 25 °C for hypochlorous acid when [ClO-]=[H3O+]=5.69x10^-5 M [HClO] = 1.340 M Previously calculated a ΔGºrxn of 42.20 kJ/mol Q = [5.69x10^-5] / [1.340] = .00004245 M equation used:

    asked by Angely R. on March 20, 2014
  24. Chemistry

    What is the hydrogen ion concentration of a 0.22 M hypochlorous acid solution with Ka = 3.5E-8? The equation for the dissociation of hypochlorous acid is: HOCl(aq) = H+(aq) + OCl-(aq). I keep getting 3.60 as the concentration, but that is the wrong answer.

    asked by Lynn on March 29, 2017
  25. Pre-cal

    A ball is thrown vertically upward with an initial velocity of 96 feet per second. The distance s (in feet) of the ball from the ground after t seconds is s(t)=96t-16t^2 projectile formula: s(t)=1/2gt^2+v+t+h g=acceleration due to gravity. V= the initial

    asked by Lissa on December 5, 2017
  26. math check

    Posted by TchrWill on Thursday, July 14, 2005 at 5:44pm. 2.)The sum of four consecutive odd integers is -336. Set up an equation AND solve for all of the integers. Two ways to approach this. -336/4 = -84 making the 4 consecutive odd numbers -81, -83, -85

    asked by angel on July 17, 2005
  27. Chemistry

    At 500 K in the presence of a copper surface, ethanol decomposes according to the following equation. C2H5OH(g) CH3CHO(g) + H2(g) The pressure of C2H5OH was measured as a function of time and the following data were obtained. Time (s) PC2H5OH (torr) 0 250.

    asked by Jamie on September 7, 2017
  28. math

    Two cars leave Kansas City at the same time. One car is moving east and the other west. After 5 hours, the cars are 575 miles apart. One car is traveling 15 miles per hour faster than the other. Let S = the speed of the slower car and F = the speed of the

    asked by Jose on December 18, 2016
  29. Chem

    If 25.0 cm3 of 0.50M sulfuric acid reacted with exactly 12.5 cm3 of sodium hydroxide, calculate the concentration of the alkali. I first balanced the chemical equation between sulfuric acid and sodium hydroxide. H2SO4 + 2NaOH --> 2H2O + Na2SO4 I converted

    asked by Maddy on September 8, 2017
  30. Calculus

    When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV^{1.4}=C where C is a constant. Suppose that at a certain instant the volume is 530 cubic centimeters and the pressure is 97 kPa and

    asked by Thomas on June 19, 2010
  31. please help asap

    can u help and give me feedback please Literary Analysis of Song of Becoming. Song of Becoming by Fadwa Tuqan is talking about growing up. Becoming legends. It’s about what happens after growing up. It starts off with “…they are only boys who used to

    asked by kate on May 19, 2015
  32. math

    This table shows the numbers of students in different classes that are in the math club. Students in math club Boys / Girls Mrs.Smith 3 / 4 Ms.Jones 4 / 6 Mr.Brown 3 / 4 a. What fraction of the students in the math club are boys from Mrs. Smith’s class?

    asked by Anonymous on January 6, 2015
  33. Math

    Need help please! I just need help with creating an inequality and solving it. Ethen considers some fundraisers for the upcoming year. He looks at data from the first fundraiser the club did last year. The club sold a variety of snacks last year. The

    asked by Anonymous on January 25, 2016
  34. statistics

    In a study of caffeine and stress, college students indicate how many cups of coffee they drink per day and their stress level on a scale of 1-10. The data appear below. Number of Cups of Coffee Stress Level 3 5 2 3 4 3 6 9 5 4 1 2 7 10 3 5 = 3.88 X= 5.13

    asked by NAD on November 25, 2013
  35. physics

    You have a mass m hanging on a string of length L. You pull the mass to one side so that the string makes an angle theta with the vertical, then you let go of the mass. For the instant after you let go, how do you calculate the tension in the string? I

    asked by kayla on April 7, 2009
  36. statistics

    8. The number of murders and rapes from 1981—1987 in Cambridge, MA, U.S. is given. Table 4.29 Murder (x) 3 4 7 6 0 4 2 Rape (y) 28 30 37 31 27 31 36 a) Find the regression line equation. 32.4+4.7murder b) Compute the linear correlation coefficient 7.8 c)

    asked by Hayley on November 29, 2018
  37. Stats

    1. In a study of caffeine and stress, college students indicate how many cups of coffee they drink per day and their stress level on a scale of 1-10. The data appear below. Number of Cups of Coffee Stress Level 3 5 2 3 4 3 6 9 5 4 1 2 7 10 3 5 = 3.88 X=

    asked by Dee on June 22, 2013
  38. English

    Can you please check the following sentences? I just want to make sure that the tense choice is correct. 1.Enter the airport and look at the departures board to check your flight number and the departure time of your flight. 2.Go to the check-in desk to

    asked by Henry2 on September 29, 2011
  39. Physics

    Can you please show me how these answers are reached. A fully loaded Cessna-182 airplane of mass 1290 kg has an engine failure when flying with an airspeed of 139 km/h at an altitude of 2670m on a calm day. It then glides at a constant glide angle (which

    asked by Kelly on March 11, 2011
  40. calculus

    A piece of elastic is attached to two nails on a flat board, with a button attached to the midpoint of the elastic. The ails are 5 cm apart. You stretch the elastic by pulling the button along the board i the direction that is perpendicular to the line

    asked by Equihua on January 4, 2013
  41. chemistry

    calculate3 the concentrationof chloride in water sample Mw using this equation mol Ag+ = 1= MxVwx10-3 = MxVw mol Cl- 1 Mwx20.00x10-3 Mwx20 so M x Vw=Mw x20 or Mw= M x Vw 20 Mw= ? mol/L chloride in water sample= ? mmol/L Mw=? g/L chloride in water sample

    asked by lynda on June 2, 2012
  42. Algebra

    Ok a few questions I want to check answers on - -x+4-9x+3¡Ý 7(x-2) -10x+7¡Ý7x-14 -10x-7x¡Ý7x-7x-14 -17x¡Ý-21 -17x/-17¡Ý-21/-17 x¡Ý21/17 or x¡Ü21/17 ?? One I do not understand at all - The linear equation y=3x-5 graphs as a

    asked by John on October 8, 2007
  43. math

    In economics, revenue Upper R is defined as the amount of money derived from the sale of a product and is equal to the number x of units sold times the selling price p of each unit. If the selling price is given by the equation p -1/10x+60 , express

    asked by Anne on November 14, 2016
  44. Chemistry

    1) Determine the amount of heat in kJ given off when 1.26 x 10^4 g of NO2 are produced according to the equation: 2NO (g) + O2 (g) --> 2NO2 (g) and delta (H) = 483.6 kJ/mol 2) A sheet of gold weighing 10 g and at a temperature of 18 degrees C is placed on

    asked by Tim on November 18, 2014
  45. third side (picture attached)

    I have already asked this in another thread. Here is more explanation: The radius of earth's orbit is 1.5 * 10^8km & the radius of venus's orbit is 1.1 * 10^8 km. We need to find out the distance from earth to venus for both positions of venus. A picture

    asked by Jen on November 10, 2006
  46. physics

    There's a problem my professor assigned, but I'm not sure which equation/process I should use to solve it. Please help. Two particles having charges of 0.420nC and 15.1nC are separated by a distance of 1.50m. At what point along the line (in m from the

    asked by Nicole on February 2, 2010
  47. AP Chem

    A solution of hydrogen peroxide, H2O2, is titrated with a solution of potassium permanganate, KMnO4. It requires 51.7 mL of 0.145 M KMnO4 to titrate 20.0 g of the solution of hydrogen peroxide. What is the mass percentage of H2O2 in the solution? If you

    asked by Anna on November 3, 2008
  48. Algerbra

    regular dinner = 2 tacos & 3 enchailada for 2.39 special dinner = 3 tacos & 4 enchiladas for 4.23 what is the average price for a taco & enchilada? Let t be tacos and e be enchiladas. A regular dinner would be represented as: 2t + 3e = 2.39 and a special

    asked by Lea on January 10, 2007
  49. Physics

    A Ferris Wheel, 24.0 m in diameter, rotates once every 12.5s. What is the fractional change in a person's apparent weight: a) at the top, and b) at the bottom? I need to know if I'm doing this right. Here's my work: Equation Used: Net Force =

    asked by Ricky on January 20, 2011
  50. physics

    In lab, Will burns a 0.6 g peanut beneath 48 g of water, which increases in temperature from 22 degree C to 55 degree C. The amount of heat absorbed by the water can be found with the equation Q =cm \Delta T, where Q is the amount of heat, c the specific

    asked by christy on March 31, 2012
  51. Statistics

    Professor does not teach from a book so am not sure how to apply this problem to the regression equation. Thanks in advance. Problem below. Cell Phone Mins= 3.5*cost + 25 where cell phone mins measure the number of minutes per month and cost is the dollar

    asked by SROBSON on April 17, 2011
  52. Statistics

    Fortune magazine publishes an annual issue containing info on Fortune 500 companies. The following data show the six states with the largest number of Fortune 500 companies as well as the number of companies headquartered in those states. State # of

    asked by Frank on January 18, 2007
  53. Reading

    Is these answers correct? devoid intimidate jeopardize sneer implore introvert sibling vivacious infuriate smug 1-2. The people I love best can __ me the most. No one can make me as angry as my parents and __s can. 3-4. Please don't __ me to help you with

    asked by Fred on March 12, 2013
  54. analytical chemistry

    Consider a general reaction where a ligand L and a metal ion Mn+ form a complex with m number of ligands (L) coordinated to each metal ions. Assume the metal is colorless. The ligand and metal solutions were mixed at molar fractions (and same total molar

    asked by Katy on April 25, 2015
  55. Climatology

    Can anyone help with the following:- Measure the relevant sea level rises as accurately as possible. Give your answers in millimetres to one decimal place. What is the predicted annual sea level rise in 2050 associated with each of the following CO2

    asked by Gary on May 21, 2009
  56. Econ

    Consider the following consumption function. C = 200 + .75(DPI), Where C is consumption, autonomous spending is 200, the MPC is .75, and DPI is disposable personal income. Using the Graph below, graph the Consumption Function. C 100 0 = Income On the

    asked by ben on February 18, 2011
  57. English

    I have to write a 7 pgs essay about the social problems during the Industrial Revolution according to the book "Frankenstein". I don't know what topic should I choose to write about. Focus on who was making money and who was being exploited, the conditions

    asked by JJ on December 10, 2006
  58. someone explain to me!

    the third term of a geometric sequence is t3= -75 and the sixth term is t6=9375. determine the first term and the common ratio. how do I do this question I am tying really hard but I still don't comprehend this question! We have t3 = -75 and t6 = 9375. A

    asked by Andrew on October 18, 2006
  59. math

    The total cost C(q) of producing q goods is given by the following equation. C(q) = 0.01q^3 − 0.6q^2 + 13q What is the maximum profit if each item is sold for $9? (Assume you sell everything you produce. Round your answer to the nearest cent.) I know the

    asked by Jasmine on November 4, 2015
  60. Statistics

    Consider the following ANOVA experiments. (Give your answers correct to two decimal places.) (a) Determine the critical region and critical value that are used in the classical approach for testing the null hypothesis Ho: ì1 = ì2 = ì3 = ì4, with n = 23

    asked by Mike on October 30, 2013
  61. Algebra

    Can you please check my work? You have helped other students I know. Thank you:) Multiply -7(2a2 -4) = -14a2 + 28 Multiply 0.5(a + b -5) = 0.5a + 0.5b - 2.5 Factor bx - by + bz = b(x - y + z) Combine like terms (simplify) 12x + 4 - 11y - 6x - 9 - y = 6x -

    asked by Sharon (ms. Sue) on November 8, 2011
  62. CHEM

    I posted a question earlier, and i'm still abit confused. What is the reaction between potassium and aqueous sodium chloride? I was told that the products are KOH, H2, and KCl. But shouldn't the reaction be a displacement reaction? Since Potassium is more

    asked by Marrion on October 21, 2009
  63. Math 8R - Operating with Scientific Notation HELP!

    In constructing the Mall of America in Minnesota, a total of 1.3 x 10 (to the 4th power) tons of steel were used. The Eiffel Tower in Paris, France consist of 7 x 10 (to the 3rd power) tons of steel. About how many times the amount of steel it took to

    asked by Laruen on November 20, 2012
  64. Chemistry

    A is a solution of trioxonitrate (V) acid. HNO of unknown concentration B is standard solution of sodium hydroxide containing 4.00g per dm3 of solution 25cm3 portion solution B required an average of 24.00cm3 of solution A for neutralization. Using 2 drop

    asked by EMMANUEL on June 6, 2018
  65. algebra

    One of the hottest new Broadway musicals has started to tour, and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office manager. The box office manager uses this information to anticipate

    asked by bev on July 18, 2009
  66. math

    Hey I'd really appreciate some help with this problem please. Kathie and her friend Tia are on their motorcycles heading north to Springfield on the same straight highway. Kathie leaves from a point 115 miles south of Springfield at 10:00 A.M., and Tia

    asked by Marie P. on August 2, 2014
  67. english

    can anyone give me tips on how to write an essay on jonas salk's work on polio my professor said that i needed 2-4 subtopics. The first step is always to gather information. Since this is not my area of expertise, I searched Google under the key words

    asked by cassidy on August 11, 2006
  68. Math

    The average life expectancy for American men born in 1900 was 55 years. Life expectancy has increased by about .2 year for each birth year after 1900. If this trend continues, for which birth year will the average life expectancy be 85 years? how do u

    asked by i love polka on November 6, 2008
  69. math

    Tess adds 16 drops of yellow food coloring to a batch of frosting. This is 4 times the number of drops of red food coloring she added. Write an equation that shows how to find the number,r, of drops of red food coloring Tess added.

    asked by Seb on October 30, 2012
  70. chemistry

    Consider the following problem: Target: 2NOCl (g) ¡æ N2 (g) + O2 (g) + Cl2 (g) ¥ÄHrxn= ? Steps: 1. ¨ö N2(g) + ¨ö O2(g) ¡æ NO(g) ¥ÄH= 90.3 kJ 2. NO(g) + ¨ö Cl2(g) ¡æ NOCl(g) ¥Ä H= -38.6 kJ As you determine the ¥ÄHrxn value for the target

    asked by Anna on March 9, 2014
  71. Chemistry

    Consider the following problem: Target: 2NOCl (g) ¡æ N2 (g) + O2 (g) + Cl2 (g) ¥ÄHrxn= ? Steps: 1. ¨ö N2(g) + ¨ö O2(g) ¡æ NO(g) ¥ÄH= 90.3 kJ 2. NO(g) + ¨ö Cl2(g) ¡æ NOCl(g) ¥Ä H= -38.6 kJ As you determine the ¥ÄHrxn value for the target

    asked by David on March 9, 2014
  72. chemistry

    Consider the following problem: Target: 2NOCl (g) ¡æ N2 (g) + O2 (g) + Cl2 (g) ¥ÄHrxn= ? Steps: 1. ¨ö N2(g) + ¨ö O2(g) ¡æ NO(g) ¥ÄH= 90.3 kJ 2. NO(g) + ¨ö Cl2(g) ¡æ NOCl(g) ¥Ä H= -38.6 kJ As you determine the ¥ÄHrxn value for the target

    asked by peterson on March 8, 2014
  73. math

    Fundi, Halima and Gitonga are employed in a firm. Fundi's monthly salary is $50 more than that of Gitonga. Halima’s monthly salary is $90 more than half of the total amount earned by Fundi and Gitonga. If Fundi's salary is $n, write the equation that

    asked by kin on January 26, 2015
  74. physics

    1. consider a satellite with a period of 8 hours. if the radius of the satellite's orbit is doubled, what is the period for this satellite's. 2.what is the minimum amount of heat ( in joules) needed to heat 5.0kg (5 liters) of liquid water from it frezing

    asked by taiwo on July 9, 2010
  75. chemistry

    Use the equation below to answer the questions that follow. Br2 + Cl 2 ⎯→ 2BrCl a. How many moles of BrCl form when 2.74 mol Cl2 react with excess Br2? b. How many grams of BrCl form when 239.7 g Cl2 react with excess Br2? c. How many grams of Br2 are

    asked by Kyree on June 2, 2010
  76. math

    f(x) = 4e^-1x +13x +5 at (0,9) 1. All steps for finding the first derivative of the function are clearly and accurately shown. 2. All steps for evaluating the derivative to find the slope of the tangent to the curve at the given point are clearly and

    asked by sarah on April 12, 2010
  77. Psychology/ Human Growth

    6. According to Kohlberg, a person's stage of moral development is determined by the: a. Type of moral reasoning the person exhibits b. Specific moral conclusions the person reaches c. Overall intelligence of the individual d. Person’s actions in dealing

    asked by MEGHAT on March 6, 2011
  78. statistics

    Give examples of nominal, ordinal, interval. and ratio data. Then, convert your ratio data example into interval, ordinal, and nominal scales. Measurement Scales Practice 1. Indicate the first letter (N, O, I, R) of the highest possible scale for each of

    asked by Lynn on June 2, 2013
  79. Physics

    A flat thin non-conducting ring has an inner radius R1 and an outer radius R2 . The disk is uniformly charged with charge per unit area σ(>0) . (a) What is the electric field at the center, P , of the ring? Express your answer in terms of the following

    asked by P on February 25, 2013
  80. Algebra

    What does it mean to be "simplified" which one is most "simple" 2(3+5) or 6 + 10 ??? I've been told both and wonder if someone can give me the correct answer some of my teachers told me simplified means all of the operations that can be done are done and

    asked by Kate on July 21, 2010
  81. statistics

    A student of the author surveyed her friends and found that among 20 males, 4 smoke and among 30 female friends, 6 smoke. Give two reasons why these results should not be used for a hypothesis test of the claim that the proportions of male smokers and

    asked by Katrina on July 27, 2014
  82. Algebra

    Consider the line with equation 5x – 2y = 10. (a) Find the y-intercept for the given line. (b) Find the slope for a line parallel to the given line. (c) Find the slope for a line perpendicular to the given line.

    asked by Laurie on June 16, 2009
  83. Algebra

    Consider the line with equation 5x – 2y = 10. (a) Find the y-intercept for the given line. (b)Find the slope for a line parallel to the given line. (c) Find the slope for a line perpendicular to the given line.

    asked by Carmin on June 16, 2009
  84. algebra

    haley read less than twice as many books as her brother did last summer. Haley read five books. Which equation could you use to find how many books her brother read(b)?

    asked by vera on May 5, 2012
  85. Communication Strategies

    The trip scheduled for Mexico during spring break has been cancelled due to the bankruptcy of the bus company. You must tell 25 of your classmates that the trip has been cancelled and that they have lost their $100 deposit. How will you convey the

    asked by Linda Wortham on April 12, 2007
  86. Algebra/story problem

    Can someone help me work this problem please? The equation y= -1777x+27,153 can be used to predict the number of gun deaths in the United States x years after 2000, that is x=0 corresponds to 2000, x=2 corresponds to 2002, x=4 corresponds to 2004, and so

    asked by ellen on January 7, 2010
  87. science

    What is the length of an aluminum rod at 65 degrees celcius if its length at 15 degrees celcius is 1.2 meters? My choices are A.0.001386 meters, B.0.00180 meters, C.1.201386 meters, or D. 1.214855 meters. I already sent this question to you about a month

    asked by Mirayah Robinson on August 17, 2005
  88. Psychology

    What are some problems with the following research study and how can I improve them? A researcher is interested in testing whether violent films make people more aggressive (the hypothesis). He asks his research assistants to wait outside the Friday night

    asked by Leslie on February 25, 2011
  89. math

    Which is the best strategy to use to solve this problem? Jarrod wants to make a rectangular garden that has an area of 100 square feet. He wants to put a fence around it, but he wants to use as little fencing material as possible. What are the dimensions

    asked by diego on April 18, 2016
  90. Chemistry

    In winemaking, the sugars in grapes undergo fermentation by yeast to yield CH3CH2OH and CO2. During cellular respiration, sugar and enthanol are "burned" to water vapor andCO2. A) Using C6H12O6 for sugar, calculate ÄH of fermentation and of

    asked by Mark on October 24, 2015
  91. Chemistry

    What method of separation would you use for the following mixtures: acetone and water aluminum powder and ethyl alcohol. these were questions asked after a chapter of reading in my chem book. the separation techniques listed in the reading are filtration,

    asked by FLASH on September 4, 2006
  92. Algebra 1

    A diver jumps from a platform 25 feet above the surface of the water. The diver's height above the water is given by the equation h(t)=-16t^2+14.5t + 25, where t is the time, in seconds, after the diver jumps. A.)When will the diver reach a height of 32

    asked by Caitlyn on November 30, 2017
  93. Math

    I really need help with this question please Break-even equation. Fill in the blank. The following table contains selected data concerning several outpatient clinics in the new Ambulatory Care Center at Hope University Hospital. Fill in the missing

    asked by Mae on August 14, 2013
  94. Math

    I have figured the equation for this word problem Train A is traveling parallel to Train B. Train A is traveling at 100 mph and Train B at 110 mph Train A passes a station at 1:15pm Train B passes the same station at 1:45pm When will Train B catch up with

    asked by Daniel on May 2, 2009
  95. MATH

    The quantity demanded for a certain brand of portable CD players is 200 units when the unit price is set at $90. The quantity demanded is 1,200 units when the unit price is $40. Find the demand equation. I'm leaning toward d, but I'm not sure. a. p = -

    asked by Kal Jay on October 17, 2016
  96. Math!

    Suppose you are driving to visit a friend in another state. You are driving 55 miles per hour. You must drive 440 miles total. If you have already driven 275 miles, how long will it take you to reach your destination? Use h to represent the number of hours

    asked by Gwen on September 9, 2014
  97. Math

    A ball is thrown up at the edge of a 550 foot cliff. The ball is thrown up with an initial velocity of 87 feet per second. Its height measured in feet is given in terms of time t, measured in seconds by the equation h = -16 t^2 + 87 t + 550 a. How high

    asked by Irina on September 16, 2014
  98. Math

    A ball is thrown up at the edge of a 550 foot cliff. The ball is thrown up with an initial velocity of 87 feet per second. Its height measured in feet is given in terms of time t, measured in seconds by the equation h = -16 t^2 + 87 t + 550 a. How high

    asked by Safina on September 22, 2014
  99. English

    I need to prepare different grammar tests. I really hope you can see if everything is OK. 1) Ask for the information in the bold part of the sentence. (6 pts.) 1.It usually takes him half an hour to drive to work. 2.Sandra was hurrying to school yesterday

    asked by Henry on August 3, 2011
  100. Latin

    1.'hic Danaos ad tecta ruentes 2.cernimus,obsessumque acta testudine limen. 3.haerent parietibus scalae;postesque sub ipsos 4.nituntur gradibus,clipeosque ad tela sinistris 5.protecti obiciunt,prensant fastigia dextris. 6.Dardanidae contra turres ac tecta

    asked by Anonymous on May 24, 2008

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