Most popular questions and responses by Eli
  1. physics

    if a car generates 18 hp when traveling at a steady 88 km/h, what must be the average force exerted on the car due to friction and air resistance

    asked on December 9, 2011
  2. Stupid Math School Math

    Two cars are 750 miles apart and start moving towards each other. One car moves with the average speed of 40 mph and the other is 10 mph faster. When will the cars meet if they started to move at 11:00 a.m.?

    asked on March 19, 2016
  3. Math

    which g the following is a regular polygon. (a.rectangle (b.circle (c.equilateral triangle (d.trapezoid

    asked on January 31, 2017
  4. calculus

    Melting Snowball: A spherical snowball melts at a rate proportional to its surface area. Show that the rate of change of the radius is constant. (Hint: Surface Area =4(pi)r^2)

    asked on October 18, 2011
  5. Math

    A flowerbed is 3 3/4 meters long and 2 meters wide. Uncle James wants to build a border around the flowerbed. The width of the border is 1/2 meter. The cost of building the border is $20 per square meter. How much does Uncle James have to pay to have the

    asked on November 14, 2018
  6. English

    essay outline about the hero;s journey in fahrenheit 451?

    asked on January 20, 2014

    Mike Gioulis would like to have $25,000 in 4 years to pay off a balloon payment on his business mortgage. His money market account is paying 1.825% compounded daily. Disregarding leap years, how much money must Mike put in his account now to achieve his

    asked on May 20, 2014
  8. math

    how do i solve if it took 1.5 qt of paint to paint a wall 8 ft by 15 ft how many qts will it need to paint a wall that is 10 ft by 24ft.

    asked on February 11, 2014
  9. physics

    A jogger with a mass of 66.0 kg reaches the top of a staircase in 44.0 s. If the distance from the bottom to the top of the staircase is 14.0 m, how much power will the jogger create in climbing the stairs?

    asked on April 3, 2014
  10. Microeconomics

    Please help me solve it. Suppose you are looking at a particular used car. Given its brand, age and overall condition, its true value to you could be 40, 50 or 60 (these are the three possible types), whatever your true value is, the sellers true value is

    asked on November 16, 2018
  11. math

    A pedestal in a craft store is in the shape of a triangular prism. The bases are right triangles with side lengths of 12 centimeters, 16 centimeters, and 20 centimeters. The store owner wraps a piece of rectangular cloth around the pedestal, but does not

    asked on April 23, 2015
  12. chemistry

    Which of the following is the formation reaction for CaO(s) ? A. CaO(s) Ca(s) + 21O2(g) B. Ca2+(aq) + O2–(aq) CaO(s) C. Ca(s) + 21O2(g) CaO(s). D. 2 Ca(s) + O2(g) 2CaO(s) E. 2 CaO(s) 2 Ca(s) + O2(g)

    asked on February 22, 2010
  13. Physics

    A stone is dropped into a deep well and is heard to hit the water 2.95 s after being dropped. Determine the depth of the well.

    asked on October 8, 2010
  14. physics

    Given that the side of the square has a length b-a, find the area of one of the four triangles and the area of the small inner square. Give the area of one of the triangles followed by the area of the small inner square separated by a comma. Express your

    asked on September 2, 2011
  15. Chemistry

    Table sugar consists mostly of sucrose, C12H22O11. The standard enthalpy of combustion for sucrose is the standard state delta H for the reaction: C12H22O11 + 12 O 2 ---> 12 CO2 + 11 H2O Calculate this standard state delta H. Give answer in units of kJ to

    asked on December 3, 2016
  16. Lit

    Invisible Man: Mr. Norton- "you are my fate, young man" he talks about emerson's self realiance and how emerson is important but isnt he going aganist emerson's theory of self reliance??

    asked on October 12, 2008
  17. Calculus

    Find the area bounded by the parabola 8+2y-y^2 and the lines y=-1 y=3

    asked on June 2, 2016
  18. physics

    An object experiences an impulse, moves and attains a momentum of 100 kg·m/sec. If its mass is 50 kg, what would its velocity be?

    asked on June 23, 2016
  19. Math

    Every day Sally saved a penny, a dime, and a quarter. What is the least number of days required for her to save an amount equivalent to an integral number of dollars?

    asked on January 29, 2012
  20. Science - Physics

    A student with a mass of 66kg is rollerblading at a velocity of 7.8m/s[W] when the trail suddenly becomes very rough and as a result the student stops pushing and comes to a stop in 0.95s. Determine the net force and acceleration of the student on the

    asked on October 25, 2017
  21. Science

    what is the concentration (M) of a MgCl2 solution prepared by dissolving 7.2 g of MgCl2 in sufficient water to give 362 mL of solution?

    asked on November 4, 2014
  22. physics

    a motorbike has a mass of 300kg, and is being ridden along a straight road. The rider sees a traffic queue ahead. He applies the brakes and reduces the speed of the motorbike from 18m/s to 3 m/s. Use this equation to calculate the kinetic energy lost by

    asked on February 15, 2012
  23. macroeconomics

    Calculate the total change in aggregate demand because of an initial $300 decrease in investment spending, given that C = 150 + 0.50YD. $1,200 decrease $300 decrease $150 decrease $600 decrease i think it is 300 but i think i am wrong

    asked on April 9, 2011
  24. math

    A scientist is mixing a chemical solution for an experiment. The solution contains 3/8oz of chemical and 1/6 ounce saline solution. What is the rate of chemical to saline?

    asked on December 18, 2014
  25. pre calculus

    simplify sin(2 pi/3+x)

    asked on November 18, 2010
  26. staistics

    7) A final exam in Statistics has a mean of 73 with a standard deviation of 7.73. Assume that a random sample of 24 students is selected and the mean test score of the sample is computed. What percentage of sample means are less than 70?

    asked on November 19, 2016
  27. Pre-Calc

    The average age of the groom at a first marriage for a given age of the bride can be approximated by the model y=-.107x^2+5.68x-48.5, 20

    asked on January 20, 2015
  28. Please help me ASAP!!!

    Three uniform spheres are fixed at the positions shown in the diagram. Assume they are completely isolated and there are no other masses nearby. (a) What is the magnitude of the force on a 0.20 kg particle placed at the origin (Point P)? What is the

    asked on March 31, 2014
  29. commposition

    How do I make an outline for a research paper?

    asked on April 13, 2008
  30. Math

    Waddell mountains have a species of birds that hatches two birds each week. Currently there are 7 birds. Write a function represent this graph?

    asked on February 7, 2016
  31. Management

    Can anyone please help me with these questions for the final exam? 1) It is April, and you are the plant manager at a unionized parts warehouse. You have been asked by top management to inform the line workers that the plant will be shut down during

    asked on October 16, 2011
  32. physics

    Accuracy is how close a measured value is to the actual (true) value. Precision is how close the measured values are to each other.

    asked on August 5, 2011
  33. english

    needing to write 5 sentences that are no repeat sentences about New Years resolution and you can not repeat any words already used in any of the other sentences

    asked on January 5, 2011
  34. Physics

    A tennis ball is thrown vertically upward with an initial velocity of +8.0 m/s. a. what will the ball's speed be when it returns to its starting point? b. how long will the ball take to reach its starting point?

    asked on September 24, 2008
  35. physical

    what is body composition measured by using calipers?

    asked on April 19, 2008
  36. Finance

    Marie-Josee intends to buy her father company. He wishes to sell her his company for a $850 000 amount because he would like to bequeath his inheritance to his daughter in his lifetime. Knowing the big generosity of her father, Marie-Josee wishes to make

    asked on October 21, 2007
  37. Science - Physics

    how much power is in my bicep if i can lift 50kg a height of 50cm 40 times in one minute?

    asked on November 28, 2017
  38. English

    Greek- Zeus What did they create?

    asked on September 7, 2017
  39. English

    Greeks- Zeus what myths or stories are they involved in? and describe these myths or stories:

    asked on September 7, 2017
  40. Chemistry

    Mg + 2HCI --> MgCl2 + H2 0.158 g of Mg metal is combined with an excess of HCl to make 100.0 ml of solution in a coffee up calorimeter. The reaction rises from 25.60 C to 32.80 C. Determine delta H for the reaction of one mole of Mg. Units in kJ. 3

    asked on December 3, 2016
  41. physics

    A race car accelerates from 50 m/s to 75 m/s over a distance of 400 m. What is the race car’s acceleration?

    asked on May 18, 2016
  42. Chemistry

    A mettallurgist decided to make a special alloy. He melted 30 grams of Au(Gold) with 30 grams of Pb. This melting process resulted to 42 grams of an Au-Pb alloy and some leftover Pb. This scientist wanted to make 420 grams of this alloy with no leftovers

    asked on October 31, 2011
  43. Physics

    Measurements can be described as accurate and/or precise. Define accuracy and precision and give examples of how those terms could be used to describe a measurement.

    asked on August 5, 2011
  44. statistics

    Let U = {5, 10, 15, 20, 25, 30, 35, 40} A = {5, 10, 15, 20} B = {25, 30, 35, 40} C = {10, 20, 30, 40}. Find A ⋂ B.

    asked on May 15, 2011
  45. Chemistry

    When 0.655 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 107C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

    asked on February 22, 2010
  46. Chemistry

    When 0.945 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 387C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

    asked on February 22, 2010
  47. Math

    The three sides of a triangle are consecutive even integers. If the perimeter of the triangle is 72 inches, find the lengths of the sides of the triangle

    asked on September 6, 2017
  48. World History

    Could someone explain how nationalism contributed to Napoleon's defeat?

    asked on March 24, 2014
  49. math

    Give two equivalent fractions for the smallest amount of problems you need to complete correctly on a homework assignment to get 85%

    asked on August 27, 2012
  50. Chemistry

    how much 2% solution do I need to convert 20 ml of 5% solution to a 3% solution?

    asked on October 12, 2011
  51. Math

    How many digits are in the smallest positive number divisible by th first ten numbers in the Fibonacci sequence?

    asked on May 27, 2011
  52. chemistry

    a sample of oxygen gas has a volume of 2730 cm3 at 21.0 C. At what temperature would gas have a volume at 4000 cm3?

    asked on January 7, 2011
  53. College Algebra

    Solve the system: x + y + z = -1 2x + 2y + 5z = 1 5x + 2y + 3z = 8 what is the value of x in the solution?

    asked on December 11, 2010
  54. math

    I have the first few words:did you hear about the water polo player who... whats the rest?

    asked on November 16, 2010
  55. Math

    i am having problems solving this question can you please help? b[(12c-3a)2-10= a=2, b=3, c=4

    asked on October 7, 2008
  56. math

    Raj's score increased by 21 is 61

    asked on August 26, 2018
  57. 7TH GRADE mATH


    asked on November 1, 2016
  58. Math

    One positive number is two more than a second number their product is 168

    asked on October 31, 2016
  59. Math

    5/a=6/7 what is the A

    asked on February 24, 2016
  60. Science

    How many grams of CH3SH must be added to water to prepare 410mL of a solution that is 2.5 M CH3SH?

    asked on November 4, 2014
  61. Science

    How many grams of H2SO4 are in 125 mL of a 3.00 M solution of H2SO4?

    asked on November 4, 2014
  62. Management

    Can someone help me with these 2 questions from principles of management.thank you 1) Using the comprehensive approach, tell what steps you would take to manage a change. For each step, give specific examples of actions you would take at that step. 2)

    asked on October 18, 2011
  63. Math

    A pyramid is inscribed in a cube whose volume is 52pi cm^3. The volume of a sphere is equal tpo the volume of this pyramid. Find the volume of a second cube whose edge is equal to the radius of the sphere.

    asked on May 30, 2011
  64. calculus

    find the volume of the solid whose cross section is perpendicular to the x axis from isosceles right triangles and has a leg that run from the lines y=-x to the line y=.5x

    asked on April 11, 2011
  65. Medical Coding, Part 1

    10. Which of the following codes is used for the diagnosis "closed dislocation of the sternum"? A.839.61 C. 839.71 B.839.8 D. 839.9 11. A 50-year-old new female patient has had a sore throat and head congestion for five days. The physician performs an

    asked on February 23, 2011
  66. math/accuplacer

    The principals is buying pizza for the school-wide pizza party. If there are 1852 students in the school & each student in the school & each student can eat approximately 3 slices of pizza, estimate the 3 of slices the students will eat in total.

    asked on March 30, 2010
  67. English

    what might be the synonym to the word "create" does someone know the good dictionary of synonyms (if something like this even exist....)

    asked on February 1, 2009
  68. English

    hmm how to write this in ur own words... I do agree that this poem is like "the whoosh of the imagination at work". Firstly, there is the style of writing in the poem. There is no punctuation at all in this poem. This shows how quickly the boy's

    asked on January 31, 2009
  69. math

    If you need 138 balloons and have 5 bags, each bag has same number of balloons in it. We need 18 more balloons to finish How many balloons in each bag?

    asked on September 10, 2008
  70. Medical

    a type of breathing the word is 6 letters long.Please Help

    asked on May 27, 2008
  71. social studies

    what volter mean by seying goverment need to have both shepherd and butchers

    asked on March 18, 2008
  1. maths


    posted on June 4, 2019
  2. spanish


    posted on May 21, 2019
  3. calculus(related rates)


    posted on May 6, 2019
  4. Social Studies

    Wtf funny

    posted on April 12, 2019
  5. Math

    It's 13 i was doing this homework with my son.

    posted on February 26, 2019
  6. biology


    posted on October 11, 2018
  7. Math

    200 yards = 600 feet since every 3 feet is a yard you would multiply it. Then (P) = L+W so 600+300 = 900 feet

    posted on May 22, 2018
  8. History/ Civics

    URTEA he got most of the answers lol, he was just asking if he was right its just like having a teacher check over your work

    posted on May 7, 2018
  9. math

    This was uploaded on my 2nd bday haha

    posted on May 7, 2018
  10. U.S History

    So um B? wdym by "Right"

    posted on May 7, 2018
  11. Math


    posted on February 20, 2018
  12. Math

    2336 4/5

    posted on September 20, 2017
  13. English

    Can you give me a short summary of it

    posted on September 7, 2017
  14. English

    I'm asking about zeus

    posted on September 7, 2017
  15. Chemistry


    posted on June 28, 2017
  16. algebra


    posted on March 1, 2017
  17. Math


    posted on January 31, 2017
  18. pre algebra

    2 - 0.43

    posted on December 8, 2016
  19. Physics

    6.89 seconds?

    posted on September 2, 2016
  20. 1st grade

    I drove past a sandwich shop.

    posted on May 21, 2016
  21. Math Help Please!

    Since you have two equations that equal y, you can set them equal to themselves, so 3x+20=x^2+2x If you move those all over to one side, you get that x^2-x-20=0. From there you can factor out into two parts, (x-5)(x+4)=0. So for this set of equations you

    posted on April 18, 2016
  22. math

    A shirt regularly cost $38 but it is on sale for 40% off. What is the sale price of the shirt?

    posted on March 31, 2016
  23. Physics

    Just use the equation W=F*X since it is a flat surface. There is no friction that would counteract and make this more complex. The only forces acting on the block would be the tension. In short, the work would be 300N*m or 300J, assuming that the problem

    posted on March 20, 2016
  24. physics

    The sequence would be 2,3,1. Looking at a specific variable, lets say the velocity of the larger mass. For the first kind of catch, the velocity of the medicine ball is the same, so it should be the hardest as there is no compensation for difficulty due to

    posted on March 20, 2016
  25. Stupid Math School Math


    posted on March 19, 2016
  26. asc

    typo: more is spelled as 'ore'

    posted on March 19, 2016
  27. Business

    Job Rotation (I guess, I'm not much of a business expert yet...)

    posted on March 19, 2016