1. math

    can you solve this equation by using simultaneous equations and can you write the method please? Sarah and Louise have a combined age of 24. Six years ago Sarah was triple Louise's age. What is Sarah and Louise's ages now. Let Sarah be x and Louise be y.

    asked by harry on April 10, 2008
  2. math - help me plz

    can you solve this equation by using simultaneous equations and can you write the method please? Sarah and Louise have a combined age of 24. Six years ago Sarah was triple Louise's age. What is Sarah and Louise's ages now. Let Sarah be x and Louise be y.

    asked by loooooooser on April 11, 2008
  3. Chemistry

    Find the pH: 1) A 0.001M solution of HCl 2) A 7.98 x 10^-2 M solution of HNO3 3) 1098L of a solution containing 8.543moles of HBr 4) 120mL of a solution containing 0.005 grams of hydrochloric acid. Please help me with these four. Out of 20 questions i only

    asked by Katelyn on March 20, 2013
  4. Chemistry

    A solution is prepared by dissolving 50.0 g of pure HC2H3O2 and 20.0 g of NaC2H3O2 in 975 mL of solution (the final volume). what is the ph? What would the pH of the solution be if 50.0 mL of 0.900 M NaOH were added? What would the pH be if 30.0 mL of 0.30

    asked by Bella on November 12, 2012
  5. Chemistry

    If 0.176 g of pure sodium hydroxide was dissolved in water and the solution titrated with 5.05 mL of hydrochloric acid solution to a phenolphthalein end point, calculate each of the following of the hydrochloric acid solution. (a) the molarity = .871 (b)

    asked by Kyle on May 6, 2015
  6. Physics help please

    A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the

    asked by Kimberly on November 7, 2014
  7. Physics help

    A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the

    asked by Kimberly on November 13, 2014
  8. Chemistry

    The reaction of a metal ion, M^2+, with EDTA is given in the following equation: M^2+(aq) + Y^4-(aq) MY^2-(aq) The EDTA was standardized with a 0.04 M Zn^2+ solution. 25.05 mL of EDTA solution was used to titrate the Zn^2+ solution. From this

    asked by Miguel on July 20, 2010
  9. Science

    How do you measure body volume? I need two ways. Thanks. Displacement is a common method. Fill a barrel full of water, then dunk the body (letting the water overflow), remove the body, and then measure the water level. Another method is to use air

    asked by Laura on September 4, 2006
  10. Chemistry

    I am trying to complete one of those charts, where you find an element, its proton number, its electron number, it's charge, and whether it's an ion or an atom, based on looking at the Periodic Table. I get how it works, sort of, like for Lithium, you look

    asked by Corinne on February 23, 2009
  11. Physics

    The typical lifetime of a star like our Sun is 10 billion years. While a star like our Sun is able to generate energy in its core (through fusion) the thermal pressure balances the gravitational pressure from the Sun’s mass. However, once the star rules

    asked by Vivek on November 23, 2015
  12. Math

    If a mixture of a 6% acid solution with an 11% solution is to be made, how much of each solution is needed to make 10 liters of an 8% acid solution?

    asked by DAD on September 2, 2012
  13. chemistry

    A solution contains 4.46 g KCl in 178 mL of solution. The density of the KCl solution is 1.11 g/ml. What is the percent (m/m) for the potassium chloride solution?

    asked by Samantha on October 9, 2010
  14. algebra

    In mixing a weed killing chemical a 40% solution of the chemical is mixed with an 85% solution to get 20 L of a 60% solution. How much of each solution is needed?

    asked by Pam on May 9, 2015
  15. Chemistry

    You need 3.0-L of 0.13 M salt solution. All you can find is 0.40 M salt solution. How much of that solution will you need in order to make your desired solution (in liters)?

    asked by billy on February 16, 2011
  16. algebra

    A chemist has a solution that is 20% HIC and a solution that is 50% HCI. How much of each solution should be mixed to attain 300ml of a solution that is 30% HCI?

    asked by Susannah on February 21, 2012
  17. Math quick help anyone

    1. I'm given a slope of 1/4 and a set of 2 points each: p: (-12,6) & Q: (8,w) .find the value of w. what if the slope was -1/4, then what would the value of w be 2. What is the solution to these equations: 3x-2y-8=0 9x-6y-42=0 One solution, no solution or

    asked by Miley on January 15, 2014
  18. Chemistry

    A 2% solution of Hydrochloric acid is required for a procedure. A 5% solution is availabe. How much of the 5% solution will be required to make 1 L of solution?

    asked by Jessi on April 14, 2009
  19. math

    Carmen is planning to invest $2000 in an account earning 3.15% interest, compounded quarterly, for 5 years. He used the following formula and variables to solve for the future value of the account after 5 years. FV = PV(1 + i)^nt FV = Future Value PV =

    asked by Anonymous on February 26, 2018
  20. Quantitative methods

    Assignment Problem 1* Print Media Advertising (PMA) has been given a contract to market Buzz Cola via newspaper ads in a major southern newspaper. Full-page ads in the weekday editions (Monday through Saturday) cost $2000, whereas on Sunday a full-page ad

    asked by Matt on February 27, 2011
  21. Math

    A painter earns $15 per hour. what is the minimum number of hours he must work to earn at least $200? write an inequality to represent this situation and solve.

    asked by Kaai97 on October 21, 2015
  22. physics

    A uniform chain 10m long and weighing 6 kg permetre hangs vertically.calculate the work required to wind it up.. Plzz solve it

    asked by arya on November 23, 2015
  23. Math

    Approximate the equation's solutions in the interval (0,2pi). sin2x sinx = cosx I know that I should work on the left side first. I know how to solve for the intervals but I am just not sure how to start this off.

    asked by Hannah on March 1, 2010
  24. Physics

    How to solve/work problem? Two objects attract each other gravitationally with a force of 2.5 * 10^-10 N when they are .25m apart. Their total mass is 4.0kg. Find their individual masses.

    asked by Emily Grossman on February 21, 2011
  25. math

    a painter earns $15 per hour. what is the minimum number of hours he must work to earn at least $200? write an inequality to represent this situation and solve.

    asked by shy gurl on October 5, 2014
  26. math-a-matic

    okay...is this even possible? because i've tried every way i can think of, and i think this might be impossible to solve? the problem is: find five consecutive odd integers such that the sum of the first and the fith is one less than three times the

    asked by Bina on October 15, 2011
  27. Calculus @ Henry

    I worked some on this earlier, and botched it a bit, so here goes again. A water tank is made by rotating f(x)=2^x-1 between [0,2] about the y-axis. The water tank is initially full, when a hole is opened at the bottom tip so that the water drains at a

    asked by Steve on January 8, 2016
  28. phy

    calculate the work done on the system when 1.00mol of gas held behind a piston expands irreversibly from a volume of 1.00dm cube to a volume of 10.0dm cube against an external pressure of 1.00 bar

    asked by bb on March 4, 2015
  29. Physics

    The system has two wheels and requires an effort of 12N to lift a load of 4kg at constant speed. Find M.A nd V.R.. Calculate work done by effort to raise load of 2m and efficiency of this machine.

    asked by Mutale on March 10, 2013
  30. English

    1. For example, red is for Line 1, and green is for Line 2. (subway system) 2. For example, red is Line 1, and green is Line 2. (subway system) Which one is grammatical? Are both grammatical? Responses English - Writeacher, Wednesday, October 22, 2008 at

    asked by John on October 22, 2008
  31. physics

    In the system shown in the figure, suppose the block has a mass of 3.3 , the spring has a force constant of 490 , and the coefficient of kinetic friction between the block and the floor is 0.13. Find the work done on the block by the spring and by friction

    asked by Patrick Jarvis on December 8, 2011
  32. Math

    The sum of twice a number and another number is 24. The difference of twice the first number and the other number is 12. Which system would model this situation, and what is the solution?

    asked by tyler on February 22, 2013
  33. algebra

    5x=7+4y 20x-16y=28 how many solutions are there for the system of equations? Infinitely many solutions No solution. two solutions or three solutions?

    asked by dj on October 5, 2008
  34. Opreating System

    Hi, i need help with this opreating system homework. Part 1: you need your C program to do the following in order to achieve this desired output. (1) navigate the subfolders of the proc folder looking for those folders holding information about processes

    asked by Sara on October 10, 2017
  35. Opreating System

    Hi, i need help with this opreating system homework. Part 1: you need your C program to do the following in order to achieve this desired output. (1) navigate the subfolders of the proc folder looking for those folders holding information about processes

    asked by Sara on October 11, 2017
  36. math

    if a & b are perpendicular vectors, show that a)(a+2b).(a-b)=|a|^2-2|b|^2 b)(a+b).(a-b)=|a|^2+|b|^2 *how to show it?just multiply it?if yes where does||come from? does||show that it should be a value?

    asked by Yuni on December 25, 2011
  37. Physics- Projectile motion

    Hi guys, Im not one to ask for help but i missed ALOT of school because I got sick and I was wondering if anyone could solve three problems for me and help me out! Thanks in advance ! Problem 1- A plane is dropping a supply of coconuts to survivors of the

    asked by Bojan Bulut on March 19, 2012
  38. prealgbra

    brandon needs $480 to buy a tv and stereo system for his room.He received $60 in cash for birthday presents. he plans to save $30 per week from his parttime job.to find how many weeks w it take to have $480, solve 60+30w=480

    asked by janet on June 28, 2012
  39. English really stuck

    Please help I am having a bit of trouble I need to write two separate paragrapghs of eight to twelve sentences each based on the following scenarios. (I can make up details if I need to to make my paragraphs more realistic.... Paragraph 1.. I have applied

    asked by Lucie on March 17, 2008
  40. medical

    how does the musculoskeletal system change from birth to adult? And what are the steps the system goes through from childhood to adulthood to reach 206 bones?

    asked by spike on September 12, 2011
  41. 8th Grade Science

    My niece has this question on her homework. "Describe two advantages of the SI system over the system of measurement that is still commonly used in the United States." Does anyone have any thoughts?

    asked by Amanda on September 27, 2007
  42. Thermodynamics

    Determine the units of viscosity,m, in the following equation: t=m(du/dy), where t is a shear stress, u a velocity, and y is a distance in (a) the Engineering English system, and (b) the SI system.

    asked by Jack on January 4, 2012
  43. Transportation and Cargo Security

    THIS IS THE FULL QUESTION I AM ASKED TO DO. Identify an asset such as an airport or a shipping company within the global transportation system. Develop and describe a security system that you feel would be most appropriate to protect the assets of the

    asked by chris on April 15, 2012
  44. calc

    how do you start this problem: integral of xe^(-2x) There are two ways: 1) Integration by parts. 2) Differentiation w.r.t. a suitably chosen parameter. Lets do 1) first. This is the "standard method", but it is often more tedious than 2) You first write

    asked by walex on May 15, 2007
  45. PHYSICS

    A box slides down a frictionless, 10-meter, 30o incline. Calculate the gravitational potential energy at both the beginning and end of the motion. Calculate the work done by GRAVITY as the box slides down the incline. Compare this to the overall change in

    asked by Help! on March 23, 2016
  46. management information system

    hi theres a bunch of wrong answers in my quiz earlier and i want to know the correct answer, so please help, and this not not my homework..thanks 1.amount of time and attention required is a typical___measure of product performance a. cost b.quality(my

    asked by digital city on August 1, 2011
  47. chemistry

    Assuming the density of a 5% acetic acid solution is 1g/ml, determine the volume of the acetic acid solution necessary to neutralize 25ml of 0.1m naoh also record this calculation on your report My calculation 1g/ml x 1000ml x 0.05/61 = 0.81M 0.81m = 25ml

    asked by Fai on September 9, 2012
  48. Math

    Carmen and Susan are members of their school’s running club. The length of the circular track at the school is 1/10 of a mile. In the time it takes Carmen to run 3 times around the track, Susan runs 4 times around the track. A. In the time it takes

    asked by Anonymous on May 4, 2015
  49. US History

    Need to get these checked-- 3. Which of the following was a weakness of the Article of Confederation? a. Only Congress had the power to tax b. There was no legislative branch of government c. State governments had no authority d. There was no national

    asked by mysterychicken on September 29, 2010
  50. math

    can someone show me the steps for this problem because i got it incorrect in my exam. Solve each of the following quadratic equations. 4x^2=13x+12 what i had put was that x is 3/4 and x is -4 but i just got my result back and it was wrong... 4x^2 -13x _12

    asked by jas20 on March 1, 2007
  51. Math

    Put this matrix in Reduced Row Echelon Form. Make sure that you list the Elementary Row Operations that you use and show every step in order to solve this. [ 1 2 1 -2 -3 1 3 5 0]

    asked by Michael on April 8, 2015
  52. math

    Gabe went to the amusement park with $40 to spend. His ticket cost $26.50. Write and solve an inequality to show how much he might spend on souvenirs and snack. Please tell me how you got this answer to this question.

    asked by maria on February 8, 2015
  53. Math

    Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. A circle has a diameter of 28 centimeters. Estimate the area of the circle. Use 22/7 for π.

    asked by panda girl on April 18, 2019
  54. Math

    Austin is in his pedal boat. It takes him 1.5 hours to travel 12 miles downstream and 6 hours to return. What is the rate of the current? Please show me how to solve it as well, I really have no idea. Thanks.

    asked by Catherine on March 10, 2013
  55. Math

    Put this matrix in Reduced Row Echelon Form. Make sure that you list the Elementary Row Operations that you use and show every step in order to solve this. [ 1 2 1 -2 -3 1 3 5 0]

    asked by Michael on April 9, 2015
  56. math

    camera cost $730 sales tax is 8% how much tax is charged and what is the total price?round to nearest cent show steps to solve

    asked by Anonymous on December 5, 2012
  57. ap chemistry

    a solution of CH4N2O in water has a vapor pressure of 19.6 torr. at 25C. what is the mole fraction of CH4N2O in this solution? HELP ME WATER PURE PRESSURE (P0) IS 23.8 TORR VAPOR PRESSURE IS 19.6 TORR DON'T KNOW HOW TO SOLVE IT ? P(SOLUTION)= X (CH4N2O)

    asked by yeng on January 6, 2015
  58. chemistry

    If a chemistry student collected 825 mL of gas at 25 degrees C and 7.90*10^2torr, how many moles did she collect? PV=nRT Put P in atmospheres. torr/760 = atm. V is volume (in LITERS.) solve for n, the number of mols. R is a constant of 0.08206 L*atm/mol*K

    asked by Chrissy on February 5, 2007
  59. statistics

    (Blood Test Problem) Suppose 100 people are waiting for blood test for a kind of disease. The probability that for one person the test result is positive equals 0.1. Two test methods are as follows: Method 1: Test one by one. Then we have to do 100 tests.

    asked by Anonymous on October 4, 2011
  60. Chemistry

    A solid weak acid is weighed, dissolved in water and diluted to exactly 50.00 ml. 25.00 ml of the solution is taken out and is titrated to a neutral endpoint with 0.10 M NaOH. The titrated portion is then mixed with the remaining untitrated portion and the

    asked by JUNDY on April 14, 2015
  61. Calculus

    Find the sum of two numbers whose sum is 70 and whose product is as large as possible. Ok i got that one equation is y = 70 - x...but how do I show an equation for a product which is as large as possible. The product is P = x (70 - x), where x is one of

    asked by Raj on December 31, 2006
  62. Pre-cal

    Define your variables, write a system of equations, use your calculator to solve the system of equations and answer the problem. A grocer sells milk chocolate at $2.90 per pound, dark chocolate at $4.40 per pound, and dark chocolate with almonds at $5.50

    asked by L Stanely on April 20, 2018
  63. physics

    another question: the 20 kg block is at the top of a 10 m long inclined plane. The block starts from rest and slides without friction down the length of the incline. The block is 5 m high. 1) Determine the gravitational potential energy of the block at the

    asked by Nabil on March 20, 2011
  64. Advanced Functions/Precalculus

    Trigonometry Questions 1.) Find the exaqct value of tan(11π/12) 2.) A linear trig equation involving cosx has a solution of π/6. Name three other possible solutions 3) Solve 10cosx=-7 where 0≤x≤2π

    asked by john on December 4, 2013
  65. Chemistry (Analytical)

    Solve for the number of grams of Ca2+ ion in a solution prepared by adding 1.00 gram of calcium oxalate (Ksp=1.3x10^-8)powder to 100 mL at pH 9.

    asked by Nathan Berry on February 8, 2014
  66. Calc and Vectors

    Corey is asked to find the maximum value of a function. Not having a complete understanding of the process, Corey decides to find the derivative of the function, set it equal to zero, and solve. The resulting value, Corey reasons, will yield the maximum

    asked by Court on January 10, 2014
  67. ap chem0 frequency

    how do u do this type of problem... What is the frequency of a photon with a wavelength of 2.25 102 nm? (The speed of light in a vacuum is 2.998 108 m/s. Planck's constant is 6.626 10-34 Js c = fw. c is speed of light which you have, f is frequency for

    asked by ash on September 28, 2006
  68. intermediate algebra

    Hello, I am so stuck...I even watched two hours of videos, but it didn't really help me:( I am working on these kinds of problems... 3x-4|+5>32 And...as part of our homework, we have to enter it on the computer in interval notation. So I know that I solve

    asked by Tina on July 6, 2013
  69. EnglishCheck

    Many complain about health care reforms and envy neighboring countries like Canada on their single-payer system. Nonetheless, the universal healthcare system may have many cost effective benefits for everyone, but who wants reduced prices at the stake of

    asked by HM on November 4, 2011
  70. Algebra

    Name the line which have the following characteristics: 1) Passes through (2,3) & (0,-9) 2) Perpendiculat to the line 4x-2x=7 and through (1,-3) 3) Perpendicular to the segments with endpoints (2,1) & (-4,-1) and through the midpoint of the segment. If

    asked by Krissy on December 2, 2007
  71. math

    Given that a:b = 8:5 and b:c= 3:4 find the ratio a:b:c Give your answer in its simplest form. Show all working out. My work: 1) 5 and 3 both equal to b. 2) 8+5=13/2= 11.5 3)3+4=7/2=3.5 4)11.5+3.5= 15 All my working shown I dont understand this question

    asked by supersupersuper on January 3, 2017
  72. Physics

    If each tire of an automobile has an area of .026 square meter in contact with the ground, the weight of the automobile is 26,000 N, what is the pressure in the tires? Please show work.

    asked by Bobby on November 14, 2012
  73. Physics wavelength problem! Please Help!

    A communications satellite transmits a radio wave at a frequency of 5 • 109 Hz. What is the signal’s wavelength? Assume the wave travels in a vacuum. Show your work Thank You!

    asked by LeXi;) on March 29, 2012
  74. precalculus

    i need help with homework which is due tommorow determine algebraically whether the graph of the given equation is symmetric to the y axis the x axis or the origin the equations are 5y=7x^2-2x can u show work please thanks in advance

    asked by HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! on February 21, 2010
  75. algebra 1 I need help immediately

    you have 15 coins, nickels and dimes. d=the number of dimes. write a simplified expression in terms of d for the total amount cents that you have. show work and explain

    asked by Anonymous on September 19, 2012
  76. algerba 1

    you have 15 coins,mickels and dimes. d= the number of dimes. write a simplified expression in terms of d for the total amount cents that you have. show work and explain

    asked by Anonymous on September 19, 2012
  77. math

    Show work for. A principal of $5000.00 was invested in a saving account 4 years. if the interest earned for the period wass $400.00 what was the interest rate?

    asked by shanae on November 6, 2007
  78. algebra

    Use synthetic division to divide the polynomial 2x3 – 45x + 28 by x + 5, and write the quotient polynomial and the remainder. [Be careful – notice that there is no x2 term.]. Show work.

    asked by Math Loser :( on November 22, 2010
  79. math

    If a stone is dropped from rest and falls under gravity with an acceleration of 10m/s2, how long will it take before the stone is travelling at 25m/s? Can you show me how to work this out with math rules. I do not get it. Thanks

    asked by jo on October 10, 2009
  80. Math (Algebra/Pre-Algebra)

    Ms. Caswell deposits $450 into an account earning 8% interest per year. How much simple interest is earned after 4 years? Please explain.. I'm supposed to show work =] thank you!

    asked by Samantha on June 4, 2009
  81. Precal

    The angle of elevation from a ship in the ocean to the top of a lighthouse is 21deg. If the lighthouse is 200 ft. tall, how far out is the boat? Be sure to show work for partial credit.

    asked by Sam on January 6, 2015
  82. Chem

    Find and show work the final pH when 35mL of 0.200 mol/l sulfuric acid are titrated with 18mL of 0.030 mol/L sodium hydroxide?

    asked by S.S on May 26, 2010
  83. Sequences

    Terms 1 through 5 of a sequence are shown below. 8/81 , 4/27 , 2/9 , 1/3 , 1/2 What is the 10th term in the sequence? I have no clue. I tried having common denominator of 81, but that just confused me more. I would try to show more work, but I really don't

    asked by Anne on May 31, 2015
  84. geometry

    If four angles of a convex pentagon measure 120°, 93°, 108°, and 101°, find the measure of the fifth angle. Show equations and work that lead to your answer.

    asked by sharon on January 7, 2012
  85. math

    The radius of a cylinder is 3.5 ft. The height is 14 ft. Find the surface area and volume of the cylinder to the nearest tenth of a foot. Show your work. please help me i need to get this grade up by friday

    asked by Hayden on March 20, 2019
  86. Math (Pre-Calculus)

    Find an equation of the line containing the points (8,-6) and (8, -4) so far i've tried y-y1=m(x+x1) but currently cannot get the answer....T-T the answer is suppose to be x=8 plz show the work so i can study form it and do it myself the next time... thnx

    asked by K.C on October 27, 2010
  87. Math

    Find the area and circumference of the circle (6 m). Use 3.14 for pi. Show your work, round your final answer to the nearest tenth, and label your answer with the correct units for each.

    asked by Evelyn on March 25, 2019
  88. chemistry

    assuming that the calorimeter contains 5.00 * 100 g of water and that the initial temperature is 30.0 degree celcius. what will the final temperature be? (use the proper formula and units, and show your work below)

    asked by alice on October 9, 2007
  89. Pre-Cal (Help Please!!!!)

    [Note: i need help really badly. I only have 2 hours left] Find all solutions of the following equations. Be sure to check for extraneous solutions. show work 1). 3cosθtan^(2)θ-cosθ=0 2). tan (3θ)+1=0

    asked by Amber on July 12, 2016
  90. statistics

    Find the range, standard deviation, and variance for the following sample data: 98, 2, 53, 61, 15, 87, 63, 63, 91, 29, 96, 79, 93, 40, 5, 62 *please show calculations step by step so that i can compare my work. thank you very much. i know that i am off

    asked by mary, can't figure out calculation, please show your calculations for all questions listed above a-e on October 16, 2010
  91. math 1

    The vertices J(2,6), K(7,8), L(9,3), and M(?, ?) determine a square. Show your work to find the coordinates of M. Use complete sentences and proper grammar to give a justification why JKLM is a square.

    asked by krista on August 4, 2017
  92. Pre-Calculus

    Can you show me how to find the rectangular equation: r=2cos(theta) + 3 sin (theta) All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you

    asked by Leah on October 3, 2011
  93. Math

    A capybara is the worlds largest rodent . It can grow to be 1 3/10 m long. Write an improper fraction that represents the length of the capybara? Please show work of how you got answer. Thanks

    asked by Jennifer on November 5, 2012
  94. physical science

    The resistance of the ohm is very approximately that of a column of mercury 1.06 m long and of uniform cross-section of one hundred of a cm^2. Find the resistivity of mercury.(show work)

    asked by michelle on February 17, 2017
  95. Math

    Terry buys a shirt for $14.99 and a pair of jeans for $39.99. If the sales tax is 8.25%, what is the total price Terry pays for the items? Can someone please show me how to work this problem?

    asked by Sarah on April 13, 2016
  96. Check My Answer! :)

    What is the surface area of the square pyramid if the altitude is 4 cm, the length is 6 cm, and the height is 5 cm? a. 48 cm^2 b. 144 cm^2 c. 156 cm^2 d. 96 cm^2 i think the answer is 144 cm^2. Please show me how you did the work so then i know that i at

    asked by MICHAEL on March 29, 2016
  97. math 234 calc 4 !!!!!!!!!!!

    write this function in terms of heaviside functions, and then show your work in finding its laplace transform f(t)= o if o < t

    asked by john on April 12, 2011
  98. Algebra

    What is the profit of 30 flight excursions if the set up fee is $40.00 per person, $800.00 rental fee for the hanger? I need this answer and I need it in a algebra equation, to show the work.

    asked by Susan on June 20, 2010
  99. algebra

    Use synthetic division to divide the polynomial 2x3 – 45x + 28 by x + 5, and write the quotient polynomial and the remainder. [Be careful – notice that there is no x2 term.]. Show work.

    asked by Wizard on November 23, 2010
  100. Math

    Bill is painting his basement floor. If one can of paint will cover 4.5m squared, how many cans of paint will he need? Measurements: 13.5m, 1.5m, 6m, 18m, 13.5m,1.5m show work !It is a rectangle layout!

    asked by Brianna on October 19, 2014

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