1. Harvard Referencing, help please!

    Hey, I have here Clinical Protocols in front of me from one of the hospitals. I'm writing up an assignment and need to reference some parts of the protocol. The system that we use in college is Harvard Referencing system but I never referenced protocols

    asked by Carla on July 14, 2012
  2. Math

    1. Which ordered pair is a solution of the equation y = −11x + 4? a. (0, -7) b. (-1, -7) c. (1, -7) d. (2, 26) MY ANSWER: C Because (X,Y) so -11x = -11 * 1 = -11 -11 + 4 = -7 2. A plumber charges $65 per hour to fix a leak. What is an equation that

    asked by Sp on September 18, 2017
  3. calculus

    1.Solve the differential equation dy/dx= y^2/x^3 for y=f(x) with the condition y(1) = 1. 2.Solve the differential equation y prime equals the product of 2 times x and the square root of the quantity 1 minus y squared. Explain why the initial value problem

    asked by Anonymous on April 28, 2015
  4. 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
  5. English Improving writing

    Below is what I have to do for English It is very confusing to me General Instructions Single –space your prewriting, but double space your drafts. After preparing a rough draft read the evaluation criteria and revise your work carefully, correcting any

    asked by Kaleigh-Anne on June 8, 2008
  6. math

    The pH or acidity of liquid is measured in pH, where pH is given by the equation pH=- log C, with C being the concentration of [H+] in multiples of M=1mol/L. Suppose you are given a solution of hydrochloric acid with a pH of 1.7 and asked to increase the

    asked by Sara on March 30, 2017
  7. chemistry

    The pH or acidity of liquid is measured in pH, where pH is given by the equation pH=- log C, with C being the concentration of [H+] in multiples of M=1mol/L. Suppose you are given a solution of hydrochloric acid with a pH of 1.7 and asked to increase the

    asked by Sara on March 30, 2017
  8. Chemistry

    A sample of 8.00 L of NH3 (ammonia) gas at 22 degree Celsius and 735 torr is bubbled into a 0.500 L solution of 0.400 M (hydrochloric acid). The kb value for NH3 is 1.8 x 10^-5. Assuming all the dissolves and that the volume of the solution remains at

    asked by Linda on April 24, 2009
  9. macroeconomics

    1. Consider the economic situation in the U.S since 2008 and discuss how supply side and demand side economic may be used to solve the current problems. Also, explain why you believe that these two approaches may or may not work. 2. Provide a numerical

    asked by patricia on December 18, 2012
  10. Macroeconomics

    1. Consider the economic situation in the U.S since 2008 and discuss how supply side and demand side economic may be used to solve the current problems. Also, explain why you believe that these two approaches may or may not work. 2. Provide a numerical

    asked by patricia on December 18, 2012
  11. Math Check

    Hi! Can someone check this for me? My teacher wants me to write the system of equations that will correspond to the final matrix. I have the matrix already, but I need help with the writing the system stuff. Thanks! Matrix: [-10 2 | 48] [-5 -6/4 |-9] My

    asked by Yuri on March 24, 2015
  12. Chemistry 2 Lab

    Calculate the degree of ionization of acetic acid in solution 1 through 3? All I am giving is the pH... pH of solution 1= 3 pH of solution 2= 3.5 pH of solution 3= 5 Then, I did this... HC2H3O2 (aq) + H2O (l) equals H3O+ (aq) + C2H3O2- (aq) Ka= 1.7 E -5

    asked by Robby on March 19, 2013
  13. Chemistry

    A 5.00-mL sample of an H3 PO4 solution of unknown concentration is titrated with a 0.1003 M NaOH solution. A volume of 6.55 mL of the NaOH solution was required to reach the endpoint. What is the concentration of the unknown H3 PO4 solution?

    asked by Amee on March 11, 2013
  14. chemistry

    The concentration of a certain ionic compound in aqueous solution is 0.186mol/L . It is only solute in the solution. The concentration of pottassium ions in the same solution ia 0.558mol/L. Explain why the concentrations of the ions in the solution are

    asked by Deepa on February 14, 2013
  15. Algebra

    Can someone please help? I have to solve.... An employee produces x units per hour earns an hourly wage of y = 0.50x + 11 (in dollars.) What is the wage? How many hours does the employee work?

    asked by Steve on August 16, 2007
  16. social studies

    What challenges must Cyprus overcome to reunify? Explain your ideas about this topic and suggest ways that Cyprus could work to solve its challenges of diversity.

    asked by Anonymous on November 10, 2015
  17. SS help connections academy

    What challenges must Cyprus overcome to reunify? Explain your ideas about this topic and suggest ways that Cyprus could work to solve its challenges of diversity.

    asked by Ttng on November 6, 2015
  18. Social Studies

    What challenges must Cyprus overcome to reunify? Explain your ideas about this topic and suggest ways that Cyprus could work to solve its challenges of diversity.

    asked by Anonymous on October 28, 2014
  19. math

    alexander had some nickles in his bank. he added 3 dimes to the bank and then he had 85 cents.how many nickles did he have left? write an equation and work backward to solve.

    asked by hanna on November 6, 2007
  20. Math

    Use the law of cosines to solve ABC with A=126.3, b=45, and c=62.5 I did all the work to find a but my problem is finding B a=96.2 Sin(B)=45sin126.3/96.2 B=Sin^-1(45sin126.3/96.2) It's not going through in my calculator

    asked by House on October 2, 2008
  21. calc

    analyze the function ln x = cx^2 to find the unique value of c such that there is exactly one solution to the equation. to do this, find the value of c such that both sides of the equation have equivalent slopes at some point; this will give you a proper

    asked by Gabriela on December 14, 2010
  22. math

    in a hall tv runs from hours and 4 tube lights work n hours each frame an equation if the total number of units consumed is 4.8 find 3 solution of this equation

    asked by faisal on April 2, 2016
  23. Calculus AB

    Analyze the function ln x=cx^2 to find the unique value of c such that there is exactly one solution to the equation. To do this find the value of c such that both sides of the equation have equivalent slopes at some point; this will give you a proper

    asked by jessica on December 13, 2010
  24. Algebra 2

    Solve the system, 4x^2 + y^2 = 20 and y = 4x. (square root of 10/2, 2 square root of 10)?

    asked by Lily on May 17, 2013
  25. chemistry

    A 2.5 g sample of NaOH (Mw = 40.00) was dissolved in water to give a solution of final volume 250 cm3. (i) With reasons, state whether NaOH is a strong or a weak base. Give the conjugate acid of NaOH and decide whether this conjugate acid is acid, alkaline

    asked by LUx on April 21, 2013
  26. math

    Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month. The variable cost associated with each service is $35. 1. Using cost-based pricing and a markup of 20%, what should the price

    asked by catgirl on February 25, 2015
  27. Physics

    we must apply a force of magnitude 82.0 N to hold the block stationary at x=-2.0 cm. From that position, we then slowly move the block so that our force does +8.0 J of work on the spring–block system; the block is then again stationary. What are the

    asked by Shawna on November 4, 2009
  28. math

    Still looking at how to solve these... Both are cubic polynomials? 43x^3 + 13x^2 + 18x - 456 = 0 DO I divide first by x-1? 2x(3x+2)^2=312 Honestly: I would graph the equations and find the roots first. I don't see them off hand. graph y=43x^3 + 13x^2 + 18x

    asked by mary on January 21, 2007
  29. algebra

    From her house, Mary travels to New York at an average rate of 50 miles per hour and then returns home at an average rate of 32 mph. After taking 2 hours longer on the return trip than the time it took her to get to New York,she finds that she still has 17

    asked by Mia on January 26, 2011
  30. Business Communication

    You are a technical writer in a large company, working on a training manual to help new users learn the company's computer system. Employees will use your manual in training seminars taught by your company's trainers. the manual will aslo serve as an

    asked by Anonymous on March 31, 2009
  31. Texas Government

    Please tell me which one of these is Federal , Confederal or Unitary . I have already submitted my question but I just want to be sure. ____1..In this system, power is divided between a central government and sub-government. ____2. England ____3. The

    asked by Sarah on September 6, 2011
  32. Algebra 2

    A sound wave is modeled with the equation . y=1/4cos 2pi/3treta a. Find the period. Explain your method. b. Find the amplitude. Explain your method. c. What is the equation of the midline? What does it represent? A- The period can not be found because

    asked by Ciaria on March 31, 2015
  33. Physics

    A lot of mass m2 = 28 kg hanging from a rope. The rope runs over a frictionless pulley and attached to a box of mass m1 = 52 kg. The box is on a plane with endpoints in A. Oblique Planet either by angle v = 180 in relation to the horizontal. The friction

    asked by Oddbjørn on December 12, 2010
  34. math

    If 1/2 of a number, 1/3 of the number, 1/4 of the number, and 2/7 of the number are added together, the sum is 575. What is the number? Please show steps/work.

    asked by Bailie on February 4, 2013
  35. chem

    A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first prepared by dissolving 13.0 mg of fluoxymesterone in enough water to give a total volume of 500.0 mL. A 100.0 µL aliquot

    asked by mel on November 4, 2007
  36. chemistry

    A 3.75-G SAMPLE OF IRON ORE IS TRANSFORMED TO A SOLUTION OF IRON(II)SULFATE, FeSO4,AND THIS SOLUTION IS TITRATED WITH 0.150 M K2Cr2O7. IF IT REQUIRES 43.7 mL OF POTASSIUM DICHROMATE SOLUTION TO TITRATE THE IRON(II)SULFATE SOLUTION, WHAT IS THE PERCENTAGE

    asked by malissa on October 23, 2012
  37. chemistry

    A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first prepared by dissolving 13.4 mg of fluoxymesterone in enough water to give a total volume of 500.0 mL. A 100.0-µL aliquot

    asked by quincy on November 26, 2013
  38. Finance

    A wealthy donor endows a chaired professorship. If the interest rate is 8% how much must he set aside to provide the following end of year salary payment alternatives? a. $100,000 per yr for 20 yrs b. $100,000 per yr in perpetuity c. A perpetuity that pays

    asked by Joe on October 20, 2006
  39. College Algebra

    Please Explain your reasoning Part 1: Suppose that the number of new homes built, H, in a city over a period of time, t, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the number of homes built can be

    asked by Vision/Help! on November 3, 2007
  40. Maths

    Dear Genius, Good day! The number of apples in a basket is between 60 and 120. If i put these apples into bags of 5, there will be a remainder of 1 apple. If i put these apples into bags of 8, there will be a remainder of 6 apples. Find the total number of

    asked by Surya on February 23, 2012
  41. physics

    A racing car reaches a speed of 40 m/s. At this instant, it begins a uniform negative acceleration, using a parachute and a braking system, and comes to rest 5.0 s. (a)Determine the acceleration of the car. Work: 40m/s x 5s = 200m (0)^2=(40)^2 +2a(200)

    asked by Anonymous on September 7, 2007
  42. Maths

    The number of apples in a basket is between 60 and 120. If i put these apples into bags of 5, there will be a remainder of 1 apple. If i put these apples into bags of 8, there will be a remainder of 6 apples. Find the total number of apples in the basket.

    asked by Surya on February 15, 2012
  43. algebra

    A rental truck costs $50 plus $0.40 per mile. Write an equation that gives the cost of driving the truck x miles Use the intersection of graphs method to determine the number of miles that the truck is driven if the rental cost is $70. Solve part (b)

    asked by Dee on February 13, 2016
  44. English

    Complete the sentences by putting the verb in brackets into the Past Simple or Past Progressive. 1. I saw a light in your window as I ___________________ (pass) by. 2. The student ________________ (answer) the question when the headmistress came in. 3.

    asked by Nazgul on March 8, 2011
  45. chem!

    A common flaw in calorimetry experiments to determine the molar enthalpy of solution is to have a mass of solute that is inappropriate for the volume of water used resulting in a temperature change that is too small or too large. A temperature change of

    asked by bob on April 14, 2007
  46. physics

    two forces 20N each are inclined at 100 degree to each other.find the single force that will; replace the given force system balance the given force system

    asked by rezny on January 16, 2013
  47. Mat 116

    Solve the system by graphing 8x-6=-18 6y-8x=18 divide 1 equation by 2 4x-3y=-9 divide 2 equation by -2 -4x-3y=-9 this makes both equation dependent slope intercept of two equation 4x-3y=-9 3y=4x+9 this makes this consistent. Just helping if I can.

    asked by Robin on April 11, 2010
  48. alg. 2

    solve by using a system of equations. in one city, cabs are allowed to charge $2.25 plus $.15 a mile. in another city, cabs charge $1.50 plus $.18 a mile. after how many miles would the fares in both cities be the same?

    asked by exam tomorrow! help on January 19, 2011
  49. Science

    I am doing an experiment about rust. I need a way to measure the rust that grows on various nails submerged in glasses of water (and other stuff). My plan is to use an analytical balance, measure nails with no rust and the nails after rusting and the

    asked by Jane on November 25, 2006
  50. Chemistry

    A 20.0 ml sample of an unknown HCl solution requires titration with 15.0ml of 0.1MNaOH solution to reach equivalent point. What is the concentration of the HCl solution? HCl + NaOH ¨ H2O + NaCl A. 0.000075 B. 75 C. none of these D. 0.075

    asked by Aaron on March 5, 2011
  51. chemistry

    overall balanced reaction: 14H+ + C2O7^2- + 6Fe^2+ -> 2Cr^3+ + 7H2O + 6Fe^3+ .5021g of impure sample containing potassium dichromate was analyzed by titrating a standard iron (II) sulfate solution. If 6.74 mL of 0.2312 N of iron (II) sulfate was required

    asked by Anonymous on October 26, 2009
  52. Algebra

    This formula relates the age of a person to hours of sleep h=(34 - a) ÷ Does the formula seem to work for you?? Does the formula work for babies?? Does formula work for older people?? For what ages does the formula work best???? My answers 1- yes used ag

    asked by Kathy on May 29, 2018
  53. Math

    Find X 27^4x-2=243^3x+6 Please explain how to do it. Thanks 27^(4x-2)=243^(3x+6) Notice that 27 and 243 are both multiples of 3 Changing them.. (3^4)^(4x-2)=(3^6)^(3x+6) 3^4(4x-2)= 3^6(3x+6) taking the log base 3 of each side. (4x-2)= (3x+6) and solve for

    asked by K on November 28, 2006
  54. math,beginning algebra

    can someone help me work this problem out. If a total bill at a restaurant, including a 15% tip, is $65.32, what was the cost of the meal alone? $56.8 let x = cost of bill Then x + 0.15x = 65.32 solve for x. $56.80 is correct from Angela.

    asked by jasmine20 on December 20, 2006
  55. algebra2

    1/3 - 5/6 = 1/X SOLVE 1/3 - 5/6 = 1/X Let's remove the denominators by multiplying by 12X 12X*(1/3) - 12X*(5/6) = 12X*(1/X) Clear the fractions. 4X - 10X = 12 -6X=12 multipy by -1 6X=-12 Divide both sides by 6 6X/6 = -12/6 X = -2 Check my work.

    asked by maria on January 16, 2007
  56. calculus

    The point on the curve for y = sqrt(2x+1) at which tangent is perpendicular to the line y = -3x + 6 is.... a. (4, 3) b. (0,1) c. (1, sqrt3) d. (4, -3) e. (2, sqrt 5) I'm not sure, but do you find the perpendicular slope (1/3) set that as dy/dx and solve

    asked by Hanna on January 24, 2012
  57. Chemistry(Please respond)

    A study of the system, H2(g) + I2(g) == 2 HI(g), was carried out. Kc = 54.9 at 699.0 K (Kelvin) for this reaction. A system was charged with 2.50 moles of HI in a 5.00 liter vessel as the only component initially. The system was brought up to 699.0 K and

    asked by Hannah on March 15, 2012
  58. algebra

    The formula F=95(K−273.15)+32 converts a temperature from kelvin K to degrees Fahrenheit F. a. Solve the formula for K. b. Convert 180ºF to kelvin K. Round your answer to the nearest hundredth. The solution is about K.

    asked by caden on September 25, 2018
  59. Chemistry

    How many moles of solid Mg(OH)2 should you add to 200mL of 0.15M lactic acid solution to produce pH 4.0 buffer? -I don't know how to do this w/0 knowing pKa, but I don't think the point is to look up pKa. Is there some other way to solve this?

    asked by Me on October 14, 2014
  60. Precal

    Please help. I'm having a lot of trouble with solving inequalities and graphing them solve the inequality and graph the solution on the real number line x^2+x-6/x I got SS: -infinity to -3 including -3 union -2 to infinity including -2 is that right?

    asked by Abi on June 22, 2013
  61. Chemistry

    What is the molarity of Cu2+ in a catalyzed reaction using 3 drops of CuSO4 at .03M in 50.0ml, and what is the molarity of Cu2+ using 6 drops? (Consider the extent of dilution of the 0.1 M CuSO4 solution in preparing the 50 mL reaction solution. Estimate

    asked by Jim on October 3, 2015
  62. math

    Suppose that function f:[0,2]->R is continuous at [0,2], differentiable at (0,2) and such that f(0)=0, f(1)=1 and f(2)=1. a) Show that there is a x1 that belongs to (0,1) such that f'(x1)=1. b) Show that there is a x2 that belongs to (1,2) such that

    asked by Zisis on January 16, 2013
  63. chemistry

    Given the equilibrium system PCL55(g) PCL3(g) + Cl2(g) k = 12.5 at 60 degrees Celsius. A 1.0-L reaction vessel is analyzed and found to contain 3.2 mol Cl2(g), 1.5 mol PCl3(g) and 2.0 mol PCl5(g). Show that the reaction mixture has not yet reached

    asked by Claus on April 3, 2008
  64. Algebra

    Solve 1.3(7x+4)=1.8(x+5) choose the correct solution set below A){x|x¡Ü84/101} B){x|x¡Ü-84/101} C){x|x¡Ý-84/101} D){x|x¡Ý84/101}

    asked by Patty G on July 18, 2009
  65. Physics

    A boy weighing 40kg runs at 8.0m/s grabs a rope and swings of level ground. What maximum height does the child reach? How do I solve this?? it is under the conservation of energy section of work, power and energy. any help would be great! thanks

    asked by Steven on March 26, 2008
  66. math

    david wants to buy a motorcycle for2500. He has no money in his savings. He gets a job where he earns $50 an hour. how many 8 hour work days will it take to reach his goal of 2500? Must write an equation to represent the situation then solve and explain.

    asked by sam on March 5, 2012
  67. physics (please help I have a test tmrw)

    How much thermal energy is released when 500g of steam at 100 degrees C condenses into liquid water and then cools to 50 degrees C? I tried to solve q=mct for q and then use that in the q=mLv formula but it didn't work. The answer is 1.3x10^6J Help would

    asked by anon on April 20, 2017
  68. Math

    I was out of school for 4 days! I tried to catch up but....I need help with There are 20 muffuns on a plate. 2/5 are chocolate. 3/10 are vanilla. How many chocolate how many vanilla? Challenge: Rest are blueberry how many blueberry? Can somebody answer

    asked by David on January 28, 2014
  69. Math subject Calculus

    Hi there I am having some difficulties to solve this problem from my homework package and i don't understand how to approach this problem. Please help me by giving me advice on how to approach this problem. Let z = xsin(x/y), y does not equal zero. Show

    asked by shylo on October 24, 2009
  70. Physics

    Which of the following is true? a. Conserved forces cannot do work b. Work can be performed on an object without moving it c. If the work is done by a conserved force, you do not need to know the path the object took d. To know the total work performed on

    asked by Paige on February 26, 2011
  71. college algebra

    CRITICAL THINKING : Without grouping symbols,the expression 2.3³ + 4 has a value of 58.Insert grouping symbols in the expression 2.3³ + 4 to produce the following values : 1. 65 2. 220 3. 4374 4. 279,936 Please help me. Show all how you solve it..

    asked by rhove on June 16, 2013
  72. Chemistry

    Calculate the potential of a silver electrode in contact with the following: (a) a solution that is 0.0150 M in I2 and saturated with AgI. (b) a solution that is 0.0040 M in CN- and 0.0600 Min Ag(CN)2- (c) the solution that results from mixing 25.0 mL of

    asked by Jjjj on April 26, 2019
  73. Science

    A student is looking at a current model of the solar system. Which of these BEST describes the model she sees A. a geocentric model, which means Earth is center of the solar system B. a heliocentric model, which means Earth is the center of the solar

    asked by maria on May 20, 2019
  74. Chemistry

    Some amount of water is evaporated from a 2.0 L, 0.2 M NaI solution, to from a 1.0 L solution. The molar mass of NaI is 150 g/mol. What is the final concentration of NaI solution in?

    asked by Quinn on March 21, 2019
  75. chemistry

    2. 2mL of a 10M solution of Compound A is taken and 48mL added. 1mL of this solution is then taken and dried to dryness before being re-dissolved in 0.1mL. What is the concentration of the 0.1mL solution?

    asked by jenny on December 8, 2011
  76. Science

    Some amount of water is evaporated from a 2.0 L, 0.2 M NaI solution, to from a 1.0 L solution. The molar mass of NaI is 150 g/mol. What is the final concentration of NaI solution in? A. 30 g/L B. 15 g/L C. 60 g/L D. 45 g/L

    asked by Michael on March 28, 2018
  77. chemistry

    Calculate the volume of concentrated NaOH solution (which contains 500.00g of NaOH per liter of solution) that you will need to make 1.00L of a 0.100M NaOH solution

    asked by xx on October 28, 2014
  78. Chemistry

    158.5 mL of a AgNO3 solution at 5.0M was combined with a 3.5M CaCl2 solution. 110.5g of AgCl was recovered. Given that the CaCl2 is the limiting reagent, how many milliliters of the 3.5M CaCl2 solution was used?

    asked by Sara on April 5, 2011
  79. science

    2mL of a 10M solution of Compound A is taken and 48mL added. 1mL of this solution is then taken and dried to dryness before being re-dissolved in 0.1mL. What is the concentration of the 0.1mL solution?

    asked by jake on December 9, 2011
  80. Math geometry

    1) The base angles of an isosceles triangle are (50-x)^6 and (30x-12)^6 what is the vertex angle? 2) The area of a trapezoid is 52cm^2 if it's bases are 8 cm apart find the sum of their heights 3) What is the area of a circle inscribed inside an

    asked by K on February 27, 2017
  81. Math

    1. How many solutions does the system of equations have 3x=-12y+15 and x+4y=5 a. one b. two c. infinitely many*** d. none 2. How many solutions does the system of equations have y=6x+2 and 3y-18x=12 a. one b. two c. infinitely many d. none*** 3. How many

    asked by Kaai97 on January 19, 2016
  82. Math

    1. How many solutions does the system of equations have? 4x=-12y+16 and x+3y=4 A. One B. Two C. Infinitely many D. None 2. How many solutions does the system of equations have? Y=5x+7 and 3y-15x=18 A. One B. Two C. Infinitely many D. None 3. How many

    asked by Me on January 11, 2019
  83. math

    Task 2 (6 points) Suppose you’re having a birthday party at the local bowling alley. 1. You’re trying to figure out how many people you can afford to invite. The number of guests you can invite to your party varies inversely with the price per bowler

    asked by Carl Wheezer on May 24, 2017
  84. PSYCHOLOGY-DEPERATE FOR HELP!!

    CHOSE THE APPROPRIATE EXAMPLE FOR THE FOLLOWING SITUATION: Cameron is trying to figure out how to win Courtney's affection. He remembers that his previous girlfriend used to love when he gave her a massage. Cameron is using the heuristic strategy of which

    asked by MaryBeth on November 2, 2006
  85. Math.

    The Mountain Trail Resort sold 64 condominiums last year, all 1, 2, or 3 bedroom condominiums. The total revenue from the sale of the condominiums was $5,493,000. The combined square footage of all the condominiums sold was 51,544 square feet. One bedroom

    asked by please help(: on November 2, 2009
  86. Algebra

    Use the five steps for problem solving to answer the following question. Please show all of your work. Marissa has budgeted $65 for her monthly cell phone expense. If her plan with her wireless provider is $15 plus $0.25 for each minute, how many minutes

    asked by Steve on June 3, 2011
  87. physics (mechanics)

    find the constant force necessary to accelerate a car of mass 1000kg from 15m/s to 20m/s in 10s against resistance of 270N ? pls show work (answer is 770N just in case to check) ive been asking this question 4 times still no one answer . someone pls do .

    asked by sam on February 7, 2016
  88. Chemistry

    A sample of nicotine weighing 0.3204 g was vaporized in a flask with a volume of 487 mL. This sample exrted pressure of 74.3 mm Hg at 20 degrees C. What is the molar mass of nicotine? I know this has to do with N=P*V/R*T. and 1 atm=760 mm Hg. Please help

    asked by Ben on April 28, 2011
  89. Chemistry HELP!!

    A sample of nicotine weighing 0.3204 g was vaporized in a flask with a volume of 487 mL. This sample exrted pressure of 74.3 mm Hg at 20 degrees C. What is the molar mass of nicotine? I know this has to do with N=P*V/R*T. and 1 atm=760 mm Hg. Please help

    asked by Ben on April 28, 2011
  90. pre algebra

    Use the five steps for problem solving to answer the following question. Please show all of your work. Marissa has budgeted $65 for her monthly cell phone expense. If her plan with her wireless provider is $15 plus $0.25 for each minute, how many minutes

    asked by Ciara on October 30, 2011
  91. physics

    A 45 g superball traveling at 28.0 m/s bounces off a brick wall and rebounds at 24.5 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.60 ms, what is the magnitude of the average acceleration of the ball during this

    asked by Jackson on August 17, 2012
  92. Math

    Raquel's pay stub has three deductions. What is the total amount of deductions? Round to nearest cent. Gross Pay(wages) is $1625.35 Medicare is $22.48 Social Security is $52.72 Federal Withholding Income Tax (23%) Please show me how to work do this

    asked by Maggie on April 12, 2016
  93. programming

    Can anyone help me with this really confusing programming problem? The board game scrabble works by assigning points to wooden tiles arranged in cells on a board. We'll simplify this considerably, and consider the following question. We begin with the

    asked by Jeff on November 24, 2009
  94. rational inequality, math

    2 6 ___ + ____ < or = - 5 X X - 1 Can some one please clearly show me how to answer this and put the solution in interval notation? You need to find another way to write the inequality more clearly. Try using / for division and parentheses for

    asked by agirl123 on November 26, 2006
  95. science

    A mixture of benzenoic acid aniline and phenol is dissolved in chroloform and the solution was treated with sodium hydroxide.hydrochloric acid and sodium bicarbonate.show the separation chart,identify the composition of each phase and explain the chemistry

    asked by joshua lamson on May 10, 2017
  96. Maths

    How do I work out the square root of a number? it's simple. - you can use your calculator or use perfect squares to solve one. perfect squares: 4 9 16 25 36 49 etc. Need anything else just ask.

    asked by Greg on February 9, 2007
  97. Algebra

    How do I start to solve -2log8(x+1) = -8? I think -2log8(x+1) is log8^(x+1)to the 2nd but then what do I do because then I think I should do log-8/log8 = x+1)^2 but that doesn't work at all Thank you for any help you can give

    asked by Anna on December 13, 2010
  98. Chemistry

    1.Write a mathematical equation that can be used to calculate the concentration of the HCl solution after the standardization procedure (Titration #1). 2. Using LeChatelier’s principle, predict whether [OH-] in the calcium hydroxide/0.050 M NaOH solution

    asked by Cassie on April 16, 2012
  99. CJS/230

    Will someone please help me find a webite to answer the following questions? What are community corrections? How do community corrections affect the society in which they are practiced? What hypothesis can you make about community corrections and their

    asked by Sade C on July 24, 2012
  100. CJS/230

    Will someone please help me find a webite to answer the following questions? What are community corrections? How do community corrections affect the society in which they are practiced? What hypothesis can you make about community corrections and their

    asked by Sade C on July 23, 2012

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