Most popular questions and responses by lia
  1. math

    A map's key shows that every of 5 inches on the map represents 200 miles of actual distance. Suppose the distance between two cities on the map is 7 inches. What is the actual distance between the two cities? Write the rule you used to find the actual

    asked on March 13, 2016
  2. math

    On a sunny day an office building casts a shadow that is 80 feet long. At the same time, a 5 foot person casts a 6 foot shadow. Determine the height of the office building to the nearest foot.

    asked on May 16, 2010
  3. chemistry

    1) a 100ml smaple of 0.18M HCLO4 is titrated with 0.27M LiOH. determine the ph of the soution after the addition of 66.67 ml of LiOH (this is at equivalence point) 2)a 100 ml sample of .20M HF is titrated with .10M KOH. determine th ph of the soution

    asked on March 8, 2011
  4. Physics

    a store owner wishes to hang a sign weighinh 750N so that cable A attached to the store makes a 30 degree angle from the vertical wall. cable B is attached horizontally to an ajoining building. calculate the necessary tension on cable B |.\ |30\ |...\ A

    asked on January 1, 2013
  5. Chemistry Lab

    If 3.5 mL of distilled water is added to 1.5mL of a 0.150 M solution of CoCl2, what is the concentration of the resulting solution? M1V1=M2V2 M1= 0.150 V1= 1.5mL M2= 3.5?

    asked on November 3, 2014
  6. Math (Calculus 121)

    Consider the following function. f(x) = 7x3 + x2 - 0.08x + 12 Find the two points on the graph at which the tangent line is horizontal. Give your values correct to 2 decimal places. ( , ) (point with smaller x value) ( , ) (point with larger x value)

    asked on February 19, 2007
  7. Math , check my answer ?

    Lynne invested $35,000 into an account earning 4% annual interest compounded quarterly. She makes no other deposits into the account and does not withdraw any money. What is the balance of Lynne's account in 5 years? $37,153.21 $39,438.88 $42,706.65

    asked on January 4, 2017
  8. chemistry

    Calculate the value of the thermodynamic equilibrium constant for the following reactions at 25.0 °C. (a) N2H4(g) + 2O2(g) 2NO(g) + 2H2O(g) Kp = H20=-228.6 NO= 86.69 N2H4= 159.3 02 = 0

    asked on March 5, 2016
  9. Algebra

    A model rocket is launched straight upward from the side of a 256-ft cliff. The initial velocity is 96 ft/sec. The height of the rocket h(t) is given by: h(t) =-16t^2+96t+256 where h(t) is measured in feet and t is the time in seconds. Determine the time

    asked on January 19, 2017
  10. Algebra 2

    Find the exact coordinates of the points on a circle of radius 12.5 at an angle of 180°

    asked on March 29, 2017
  11. Statistics

    An automatic machine in a manufacturing process is operating properly if the length of an important subcomponent is normally distributed with a mean μ = 80 cm and a standard deviation σ = 2 cm. a) Find the probability that the length of one randomly

    asked on April 22, 2015
  12. History

    Which term is applied to a legislator who introduces a bill? president pro tempore sponsor of the bill < ? proponent of the bill director of the bill Who carries out the roles of chief diplomat, commander in chief, and chief executive in the United States?

    asked on March 26, 2015
  13. chemistry

    why would it be undesirable to wash the crude halide with aqueous sodium hydroxide

    asked on April 16, 2012
  14. math

    tree pipes of diameter 1 m are held together by a taut metal band as shown. Find the length in meters, of the metal band.

    asked on January 28, 2017
  15. math

    Ted made a scale model of a submarine for his science class. a. What is the volume of Ted’s model? b. If 1 inch in the model represents 20 feet in the actual submarine, what is the volume of the actual submarine? front round is 3 inch radius/length 3

    asked on February 25, 2013
  16. Math

    I have the answer to the first part of the question, which is What is the volume of Ted's Submarine model. The answer is 490.08=volume. The second part of the question is if 1 inch in the model represents 20 feet in the actual submarine, what is the volume

    asked on February 25, 2013
  17. English

    Which of the following vocabulary words ends in a suffix that indicates it is an adverb? A. Imminent B. Doggedness C. Infallibility Is the answer B? Thank you

    asked on August 31, 2015
  18. science

    A frictionless pulley with zero mass is attached to the ceiling, in a gravity field of 9.81 m/s2. Mass M2 = 0.15 kg is being accelerated downward at 1.5 m/s2. Calculate the mass M1.

    asked on November 19, 2010
  19. math

    TWO YEARS AGO, KIM INVESTED RMP AT HER ACCOUNT WHICH EARNS r% simple interest . after eighteen months , she noticed that the amount had become rm 10450 and today amount is rm 10600 . FIND THE VALUE OF p and r

    asked on June 13, 2016
  20. math

    a piece of string 25 cm long goes exactly once round the edge of a plate in the form of a quadrant pie = 3.14 Find the radius of this quadrant and calculate the area of the quadrant

    asked on May 5, 2017
  21. 1 History Question

    How did the War Production Board play a role in coordinating American war efforts during World War II? It was the government agency that worked with corporations to produce what the military needed. It was the agency that determined when and where troops

    asked on March 15, 2015
  22. chemistry

    25.00 mL of a 2.00 M solution of NaCl is diluted to a final volume of 100.0 mL. What is the concentration of NaCl in the final solution?

    asked on December 7, 2010
  23. Physiology

    Compare the properties of an EPSP with those of an action potential?

    asked on June 6, 2011
  24. Physics

    Suppose that you want to take a photograph of yourself as you look at your image in a flat mirror 1.6 away. For what distance should the camera lens be focused?

    asked on April 18, 2011
  25. intro to management accounting

    The Minnetonka Corporation, which produces and sells to wholesalers a highly successful line of water skis, has decided to diversify to stabilize sales throughout the year. The company is considering the production of cross-country skis. After considerable

    asked on September 11, 2009
  26. Spanish 3

    ______ terminado todos los quehaceres de la casa si nuestra madre no ______ regresado tan pronto. a) Hubiéramos, habría b) Habríamos, hubiera c) Habría, hubiéramos d) Hubiéra, habría My answer: C, because its saying "I would have" and then "our

    asked on July 25, 2014
  27. physics

    A horizontal wire carries a large current. A second wire carrying a current in the same direction is suspended below it.Can the current in the upper wire hold the lower wire in suspension against gravity?

    asked on February 25, 2011
  28. Physics

    you are riding your bike on a path. you see a fallen tree blocking your way 42 meters ahead. if the coeffiient of friction between your bikes tires ad the ground is .36 and you are traveling at 50km/hr how much stopping distance is required? the total mass

    asked on January 1, 2013
  29. chemistry

    at sea level the average lung capacity for humans is about 4.o liters. at 37 degrees celcius (body temperature) how many grams of oxygen could your lungs hold?

    asked on July 11, 2011
  30. Physics

    1) A particle travels between two parallel vertical walls separated by 16 m. It moves toward the opposing wall at a constant rate of 6.4 m/s. It hits the opposite wall at the same height. The acceleration of gravity is 9.8 m/s. a) What will be its speed

    asked on June 16, 2011
  31. maths

    The parabola y2 = 4ax, where a > 0, and the rectangular hyperbola xy = C2, where C > 0, intersect at right angles. Show that the tangent and normal to either curve at the point of intersection meet the x-axis at T and N where TN = 2pa, where p is an

    asked on March 23, 2011
  32. Math

    The measure of angle BCA is: A) 30 degrees B) 36 degrees C) 45 degrees D) 60 degrees It is a iscoles triangle which the number 3x on the top of the triangle angle A and a line extending to D going right from A and Angle B is at the bottom left corner A and

    asked on September 21, 2016
  33. math

    3,12,21, __ , __ ,__ what is the missing number ? can you guys answer this ?

    asked on June 25, 2016
  34. LAST history question

    Why did the US government require rationing of some goods during World War 2? A. to provide food and supplies to war refugees in Europe B. to increase the demand for certain items to increase the profit made by selling them around the world C. to decrease

    asked on March 15, 2015
  35. math

    The perimeter of the quadrilateral is 80feet. Find the length of the other sides. One side is x+9 another is x+13, 4x-5, x^2-8x.

    asked on August 6, 2013
  36. bio

    What is an IPSP and how is it produced??

    asked on June 2, 2011
  37. college microeconomics

    An article in the journal of New York State Economics Association claims that the income elasticity of demand for public college education in New York is +1.67. Who would find this information useful and why? come up with 3 interested parties

    asked on March 17, 2010
  38. geometry

    Find a coordinate rule for a reflection across the line y = 2x. Then use the rule to find the image of triangle ABC = [ 2 6 0 ] [ 3 -4 4 ]. Be sure to clearly show your work indicating how you found your rule. In addition write the coordinate matrix for

    asked on March 1, 2010
  39. physics

    solve for Vf in a=Vf^2-Vi^2/2d how do you do it???

    asked on September 29, 2011
  40. 11th grade math

    find the sum of -2 plus 3i and -1 minus 2i not sure how to do it can anyone help me out?/

    asked on January 4, 2010
  41. math

    How many perfect squares are less than or equal to 36? how many less than or equal to 144? In general how many perfect squares are less than or equal to n^2? Using all these answers, estimate the number of perfect squares less than or equal to N.

    asked on September 16, 2009
  42. calc

    A widget factory has fixed costs of 35 billion dollars and variable costs of 781 million dollars per widget. The revenue (in $ billions) from selling x number of widgets is given by the following for x between 0 and 60. R(x) = 0.11(60x - x^2) What is the

    asked on February 20, 2007
  43. black river

    Mathematics How high is the tree if I had 5m 4m how high is the tree

    asked on August 1, 2015
  44. History

    Hi ! Can someone give me some really really really good websites about the "Manhattan Project" (WWI/WWII).. you know.. I need ONE primary resource and ONE secondary resource. I know you guys are really good at giving good websites. I cannot use wiki, or

    asked on March 18, 2015
  45. Constructed Responce Help

    Hi, I was told I could re-do my CR and post it for checking. There are many ways to compare and contrast the two versions of the stories “The Chicago fire”. The first version differs from the second version in many ways. Some ways is that in the first

    asked on March 16, 2015
  46. Constructed Responce Help

    Hi can you see if this constructed responce makes sense, or if I need to clean it up or add anything to it. thanks! I needed to compare and contrast the two versions of "the great chicago fire" and also tell how the format of each passage allow the author

    asked on March 16, 2015
  47. french

    are there any french tutors here ?

    asked on September 21, 2014
  48. Latin Help Please

    These sentences have something to do with ablative of agent but I cannot figure them out. Quid ab his maleficiis sceleris abesse videtur? What wrong crimes...??? Erunt etiam altera bella atque iterum ad Troiam magnus mittetur Achilles. They were

    asked on January 30, 2013
  49. Math

    Ms. Floop had an old wagon wheel in her front yard. It had 40 spokes on it. Twenty-four of the spokes were painted blue. What fraction of the spokes were not painted blue?

    asked on February 1, 2012
  50. statistics

    the times required to assemble a product part are normally distributed with a mean of 54.4 minutes & a standard deviation of 5.2 minutes. What fraction of the assemble workers require more than one hour?

    asked on November 15, 2011
  51. Math

    When I am rounded to the nearest 10, I am 80. The sum of the two digits is 15. What number am I?

    asked on September 15, 2011
  52. Lab Physiology

    What is the significance of IPSPs? How are they produced?

    asked on June 6, 2011
  53. Pre Calculus

    please explain the process of finding the complex zeros of f(x)=x^4+5x^2+4.

    asked on October 18, 2008

    x=0 and y=4 in the second problem X+y=13 22x + 36y=356 -3x + 2y =8 3x + 2y=8 y=4 hold, on i'm trying to find x x=2 & y=1 on the last one :)

    asked on February 19, 2007
  55. chemistry

    what is the charge balance equation for acetic acid?

    asked on March 30, 2016
  56. French help (:

    Which is the correct form of the adjective? les grandes arbres < ? les grands arbres les grand arbres Which is the correct form of the adjective? les nouvelles classes les nouvel classes les nouvelle classes < Which shows the correct form of the adjective?

    asked on March 26, 2015
  57. physics

    A horizontal wire carries a large current. A second wire carrying a current in the same direction is suspended below it.Can the current in the upper wire hold the lower wire in suspension against gravity?

    asked on February 25, 2011
  58. Math

    Can some one explain the step of the following: 1. Graph the system of Inequalities (What will be the points) y>= -4 x>=5 2. Solve by the substitution method 5x+3y= 7 x=59-7y 3.Graph the equation using the slope and the y-intercept (What are the points) y=

    asked on January 17, 2010
  59. calc

    Please help me you guys, this is the 3rd time I have posted this question. Is anybody going to help me with this problem? A widget factory has fixed costs of 35 billion dollars and variable costs of 781 million dollars per widget. The revenue (in $

    asked on February 20, 2007
  60. math

    Jack pay income tax at the rate of $35416 plus 45cent for every dollar earned in excess of $85000. Find her total taxable income if she pays $39637 in tax.

    asked on May 3, 2017
  61. math

    If 6/7 is expressed as an infinite decimal, what digit would be in the 327th decimal place?

    asked on April 27, 2017
  62. Biology

    Why does our fingers have a number of hinge joints rather than one or two?

    asked on March 18, 2017
  63. math

    Nine basketball players went to get pizza. They bought six pizzas. How much oizza will each one get?

    asked on September 9, 2015
  64. History

    Hi, when someone tells you to write down the pade identifier.. what am I exactly writing down? Am I putting down the citation of the website?

    asked on March 19, 2015
  65. Chemistry

    If 567mL of water are added to a flask which already contains 1.440 L, what is the new volume of water in the flask? My work: 1.400L=1440mL 567mL=0.567L

    asked on August 31, 2014
  66. Spanish 3

    Si ______ a una estrella del cine, le ______ su autógrafo y lo ______ en la pared de mi cuarto. a) conocería, pidiera, pusiera b) pediría, conociera, poneria c) pidiera, conocería, puesto d) conociera, pediría, pondría

    asked on July 25, 2014
  67. math

    5 is half of my factor. the sum of my digits is four. i'm between 30 and 100. what number am i?

    asked on May 8, 2013
  68. economics

    1) What is the key theory for understanding the politics of information?

    asked on April 7, 2012
  69. math

    A rectangular prism has a length of x+2, a width of x+1, and a height of 4. The volume of this rectangular prism is 24. What is the length and width of this rectangular prism.

    asked on April 11, 2011
  70. physics

    How can I calculate exactly where a marble will drop if it is rolling of a table with very little friction??

    asked on January 8, 2011
  71. math

    a square foot tile has a decorative line connected the diagonal corners. If the sides of the tile are 12 inches, what is the length of the diagonal to the nearest tenth?

    asked on September 22, 2010
  72. math

    how to do 3 squares with 12 sticks

    asked on January 31, 2010
  73. math

    what word can you spell with tttlrmehee

    asked on November 24, 2009
  1. Maths


    posted on October 9, 2018
  2. Algebra

    30-12=18 she will have to rise 18ft

    posted on September 16, 2018
  3. English


    posted on August 4, 2018
  4. grammar

    someone who knows is right!! THANK YOU!!

    posted on August 3, 2018
  5. Grammar

    * A LOT of work

    posted on August 3, 2018
  6. Grammar

    Um ms SUEE this is A REAL SCHOOL WITH REAL TEACHERS, many other schools have such mediocre teaching methods, and i think online schools put alot of thought and flexibility, i have been homeschooled this year and i had done a loy of work my teachers ARE

    posted on August 3, 2018
  7. Math


    posted on March 1, 2018
  8. Life orientation

    Risks of people with unequel access to water

    posted on February 26, 2018
  9. Life orientation

    Life orientation

    posted on February 26, 2018
  10. physics

    1)The rocket is propelled by the reaction force of the exhaust gasses bouncing off the air molecules outside the rocket.

    posted on September 15, 2017
  11. 2 question

    If you go to Connections, then B A D are the correct answers:) T IS CORRECT!! Thank you!

    posted on February 23, 2017
  12. Child Development Question

    Negative behaviors by toddlers which tax the patience of adults may be a sign of which?

    posted on December 4, 2016
  13. Math

    I meant to say at the end *Right corner

    posted on September 21, 2016
  14. chemistry

    what question???

    posted on March 5, 2016
  15. Physics


    posted on February 18, 2016
  16. English

    Never mind I got it.

    posted on August 31, 2015
  17. English

    Then what do I go with?

    posted on August 31, 2015
  18. English

    OK would it be C?

    posted on August 31, 2015
  19. physics

    angle= tan-1 ((2gh)^1/2/v)

    posted on April 14, 2015
  20. History

    The president ?

    posted on March 26, 2015
  21. History

    I don't know, is it the Secretary of State and the head of the joint chiefs ?

    posted on March 26, 2015
  22. French help (:

    I meant 1.B

    posted on March 26, 2015
  23. French help (:

    2.A? 3.B?

    posted on March 26, 2015
  24. French help (:

    Which are the nouns??

    posted on March 26, 2015
  25. History

    ohh okay thank you again lol

    posted on March 18, 2015
  26. History

    Thank you(: Now when looking for a secondary resource of the Manhattan project.. should I just type it in google and they'll pop up?

    posted on March 18, 2015
  27. Constructed Responce Help

    thank you :D !!

    posted on March 16, 2015