1. Maths

    Consider the 4 points A(1,5), B(-4,6), C(0,0), D(-12,12). Find the gradients of the lines: (a) AB; (b) CD; (c) BD.

    asked by Henry on November 1, 2016
  2. maths

    Consider the 4 points A(1,5), B(-4,6), C(0,0), D(-12,12). Find the gradients of the lines: (a) AB; (b) CD; (c) BD.

    asked by Lauren on October 31, 2016
  3. Algebra

    Find the slope of the line containing the points (-9, 1/2) and (-5, 1/2)

    asked by matt on December 8, 2009
  4. Math

    Consider the points P(20, 20), X(a,b) and Y(a+20, b+20). Is Y=T-op-(X), where Ois the origin. explain

    asked by Erin on April 16, 2012
  5. Math

    Given y = x^4 − 4x^2 + 50. Find any extrema and any points of inflection

    asked by Dan on December 19, 2010
  6. algebra

    determine the distance betwen the two points (5,12) and (11,-4)

    asked by chris on November 13, 2010
  7. statics

    A cantilever beam member made from steel with hollow circular cross section experiences an axial load of 300 KN (F1), and a vertical load of 200 kN (F2) as shown in the following figure. The outside diameter of the beam is 50mm and the uniform wall

    asked by shane on August 4, 2012
  8. SOCIAL STDIES HELP!

    1. Which of the following best describes the economy of the 1920s in the United States? (1 point) It was a period of economic hardship. It was a wartime economy. It was a boom time, or a period of great economic growth.**** It was a period that did not see

    asked by XenaGonzalez on April 23, 2015
  9. U.S. History

    1. What cities were destination points fro the Chisholm Trail? A: Abilene, Ellsworth, and Dodge City in Kansas were destination points for the Chisholm Trail. 2. Why do you think the destination cities at the end of the cattle trails are all located along

    asked by Victoria on October 7, 2015
  10. Math

    What might the lengths of a horse enclosure border be if the area of the enclosure is 52 square yards?Be sure to give evidence to support your thinking. Draw a picture to support your answer?

    asked by Ashleigh on February 19, 2016
  11. 4th grade

    I have to find the product of 22x11 using an array. Draw a rectangle 22 units long by 11 units wide. Divide the rectangle by tens and ones for each factor. Then complete the calculation.

    asked by amelia on November 4, 2009
  12. Algebra

    A bag contains 7 blue, 5 purple, 12 red and 6 orange marbles. Find the probability, if you draw one marble at random from the bag. Select the simplest form. P(not blue)

    asked by Prima on May 12, 2014
  13. Chemistry

    Draw the Lewis structures for each of the following, determine the shape of the molecules. a. H2S b. CN3- c. CCl4 d.NH4 e.PO4- f.PCL3 f.SF6 and explain how do you determine the shape of it

    asked by Nick on November 11, 2010
  14. ELA

    Use clues from the novel to form a prediction about the mystery sal's missing mother. What do you think is the reason she will not be returning to sal and her father? What text clues lead you to draw this conclusion?

    asked by Help I need somebody not just anybody on May 24, 2017
  15. Chemistry

    Draw the Lewis structures for each of the following, determine the shape of the molecules. a. H2S b. CN3- c. CCl4 d.NH4 e.PO4- f.PCL3 f.SF6 and explain how do you determine the shape of it

    asked by Jess on November 11, 2010
  16. History (urgent!!)

    Hi! I was wondering if anyone could give me specific links to information about Medieval princess/nobility dress...I need to draw a picture and write specific facts about certain parts of the dress. Thanks (:

    asked by Becca on May 8, 2009
  17. chemistry

    draw the skeletal structure line-angle (line-bond) mode of 2-isopropyltoluene. Identify the number of hydrogen atoms bound to each carbon in the structure.

    asked by sarah on October 14, 2016
  18. organic chem

    Draw and name the amides that would be obtained by reaction of 3-ethylhexanoic? Also with the apropriate coupling reagent, and the following amines: A. ammonia B. methanamine C. N-methyl methanamine D. Aniline E. N-ethyl aniline

    asked by meghan on February 21, 2013
  19. physics

    A box slides down a 30.0 degree ramp with an acceleration of 1.25m/s². Determine the coefficient of Kinetic friction between the box and the ramp. I'm not sure to work it out I draw a picture to see if it would help me but I'm still stuck..

    asked by Mindy on November 30, 2015
  20. math

    a bag contains 5 blue, 4 red, 9 white, and 6 green marbles. if a marble is drawn at random and replaced 100 times, how many would you expect to draw a green marble?

    asked by toan on March 24, 2012
  21. Physics

    Mass 1 (10 kg) rests on a frictionless table connected by a string to Mass 2 (5 kg). Find a) the acceleration of each block. (Draw the figure and proceed). b) the tension in the connecting string.

    asked by Anonymous on October 5, 2010
  22. Chemistry

    Draw the Lewis structures for each of the following, determine the shape of the molecules. a. H2S b. CN3- c. CCl4 d.NH4 e.PO4- f.PCL3 f.SF6 and explain how do you determine the shape of it

    asked by Jess on November 11, 2010
  23. adult education

    A firm is assigned the network part 128.171. It selects an 10-bit subnet part. a) Draw the bits for the four octets of the IP address of the first host on the first subnet.

    asked by rocky on November 8, 2009
  24. test and measures

    If the true score variance is equal to 10 and error variance is equal to 2, what is our estimate of reliability? [Hint: Think about the conclusions that we draw from the assumptions of classical test theory]

    asked by sharon on June 6, 2014
  25. Chemistry

    Draw the Lewis structures for each of the following, determine the shape of the molecules. a. H2S b. CN3- c. CCl4 d.NH4 e.PO4- f.PCL3 f.SF6 and explain how do you determine the shape of it

    asked by Jess on November 11, 2010
  26. Chemistry

    Two isomers have the same formula but different structures: Co(H2O)5SCN, CO(H2O)5NCS. The 5's mean 5-H20's. Draw each of these structures and explain the difference between the two? I don't even know where to begin. I appreciate any kind of help at this

    asked by Tyler on May 1, 2011
  27. Geometry

    If m

    asked by Allison on December 12, 2011
  28. Hisory

    Based on the one of Woodrow Wilson's 14 points, how would freedom of navigation on the high seas benefit France, Great Britain, Italy, Poland, and Serbia as countries individually? Based on the one of Woodrow Wilson's 14 points, how would the creation of

    asked by Bobby Brown on September 23, 2013
  29. history

    1. Which factor contributed most to the beginning of the women's rights movement in the United States during the mid-1800s? A. A dramatic increase in women's participation in the workforce *** B. A shift in social attitudes brought on by increased

    asked by help please on May 12, 2014
  30. POL201 American National Government

    Question 1.1. Despite the greater federal authority in the federal relationship, federalism is still important for all the following reasons except that (Points : 1) it provides the best means of developing a vast country because it allows for

    asked by Savannah on April 15, 2015
  31. Biology

    Put the following in the correct order. Report results Determine if hypothesis is true Do background research Construct a hypothesis Collect data Analyze results and draw conclusions Design and implement an experiment State the problem / ask questions

    asked by Please help on September 16, 2014
  32. Scientific Method

    Put the following in the correct order. Report results Determine if hypothesis is true Do background research Construct a hypothesis Collect data Analyze results and draw conclusions Design and implement an experiment State the problem / ask questions

    asked by Please Help on September 17, 2014
  33. Math

    1. A tennis player wins a math 55% of the time when she serves first and 47% of the time when her opponent serves first. The player who serves first is determined by a coin toss before the match. What is the probability that the player wins a given match.

    asked by Biren bahkta on February 17, 2011
  34. English III

    1)“We have appealed to their native justice and magnanimity, and we have conjured them by the ties of our common kindred to disavow these usurpations, which, would inevitably interrupt our connections and correspondence.” These lines from the

    asked by AMK on April 14, 2014
  35. QSO 51O

    Problem 4: Module 8 (30 points) The Exeter Company produces two basic types of dog toys. Two resources are crucial to the output of the toys: assembling hours and packaging hours. Further, only a limited quantity of type 1 toy can be sold. The linear

    asked by Anonymous on March 2, 2013
  36. physics

    A block accelerates at 3.3 m/s^2 down a plane inclined at an angle of 26 degrees.Find micro(k) between the block and the inclined plane. The acceleration of gravity is 9.81 m/s^2. This is my work but i am not sure if it is correct: sum of forces on x axis=

    asked by alexa on July 14, 2011
  37. physics

    A flight attendant pulls her 74.2 N flight bag a distance of 324 m along a level airport floor at a constant velocity. The force she exerts is 37.9 N at an angle of 55.2 above the horizon- tal. a) Find the work she does on the flight bag. Answer in units

    asked by scott on November 23, 2012
  38. Physics

    A skydiver jumps out of a plane and reaches her terminal speed of 120 mph after falling for 15 s. How fast will the skydiver be going 12.4 s later at the moment she pulls the ripcord? (The parachute hasn't deployed yet)

    asked by Cameron Lawrence on August 29, 2018
  39. math/ confused!

    What degenerate form or forms of the parabola CANNOT be obtained from the intersection of a plane and a double napped cone? I have to use a diagram and give complete description how to obtain this ( or these) form(s) how would I do this question

    asked by edwen! on December 4, 2006
  40. science

    the block is acted upon by its W=200 lb, a horizontal force Q=600 lb, and the pressure P exerted by the inclined plane. The resultant R of those forces is up and parallel to the incline thereby sliding the block up it. determine P and R.

    asked by mi on June 29, 2013
  41. linear algebra

    Let T be the plane −x+2y = 4. Find the shortest distance d from the point P0=(2, 2, 1) to T, and the point Q in T that is closest to P0. Use the square root symbol '√' where needed to give an exact value for your answer. I know I have posted this many

    asked by Sara on October 1, 2018
  42. Physics

    Please help due in less than 2 hours!! A person whose mass is m = 86.0 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle α = 21.3° with the horizontal. What is the reading on the scale? i've tried m*g*sin(21.3) and

    asked by anon on February 24, 2015
  43. physics

    A 16.0-N weight slides down a rough inclined plane that makes an angle of 28.0° with the horizontal. The weight, which started from rest, gains a speed of 15.0 m/s after sliding 150 m. How much work is done against friction?

    asked by Alexandra on August 30, 2012
  44. Maths

    An aeoroplane flying at a ht 3000 mtr from the ground passes vertically above another plane at an instant angle of elevation from the ground are 60 and 30 degrees respectivly find distance between the planes

    asked by Dipak on August 9, 2013
  45. mastering physics

    An airplane pilot wishes to fly due west. A wind of 90.0 km/h is blowing toward the south.If the airspeed of the plane (its speed in still air) is 305.0 km/h , in which direction should the pilot head?

    asked by physics on October 29, 2015
  46. Physics

    A plane is flying at 25 degrees north of west at 190km/ h. Suddenly there is a wind from 15degrees north of east at 45 km/ hr. what is the planes new velocity with respect to ground in standard position

    asked by Dan on February 22, 2013
  47. physics

    A plane cruising along at 268 m/s, in straight level flight wants to drops a bomb. He is at a height of 1000m. At what distance should the pilot release the bomb in order to hit his target?

    asked by Devin on November 10, 2014
  48. physics

    A non-conducting disk of radius 10cm lies in the x = 0 plane with its center at the origin. The disk is uniformly charged and has a total charge +30ìC. Find Ex on the x-axis at (a) x = 2 cm, (b) x = 5cm, (c) x = 10 cm, and (d) x = 20 cm.

    asked by Anonymous on September 19, 2014
  49. Chemistry

    Which carbon atoms are all in the same plane (co-planar) in this molecule? Image: img12.imageshack.us/img12/6861/94274481.jpg a. ) 1, 2, 3, 4 b. ) 1, 3, 4, 5 c. ) 2, 3, 5, 6 d. ) 2, 3, 4, 6 e. ) 3, 4, 5, 6 I strongly think it's (c) by looking at the

    asked by Toronto on July 2, 2009
  50. math

    The illustration at right shows a rectangular box, three of whose edges coincide with the coordinate axes, and one of whose vertices is (3, 6, 4). Give an equation for the plane containing the front face of the box. Do the same for the top and right faces.

    asked by Grace on March 30, 2017
  51. physics

    A 2 kg mass is released from rest and slides down an inclined plane of 60 degrees a distance of 1 meter. It strikes a 250 N/m spring. What is the maximum compression of a spring? No one has answered this question yet.

    asked by Jon on November 22, 2009
  52. Math

    Suppose you are 94 cm from a plane mirror. Part A What area of the mirror is used to reflect the rays entering one eye from a point on the tip of your nose if your pupil diameter is 4.8 mm ? Answer=_______m^2

    asked by Ashley on April 14, 2017
  53. materials science engineering

    Identify the [221] vector.(crystallographic directions qns) The answer given corresponds to 0.5 in x direction,0.5 in y and 1 in z. Why is it not [1 1 0.5], the simply reduced form. The ans is the reciprocal of [221], which puzzles me since this is not a

    asked by miguel on January 25, 2014
  54. 8th grade math

    Problem of the Week The Problems - Bull's Eye! 02/14/11 In the game of darts, players take turns throwing darts at a circular target like the one shown. The dartboard, as it is called, is typically affixed to a wall and consists of a series of concentric

    asked by Anonymous on February 23, 2011
  55. Math: Calculus - Vectors

    A plane flies on a bearing of 120 degrees at a constant speed of 550 km/h. If the velocity of the wind is 50 km/h on a bearing 220 degrees, what is the velocity of the plane with respect to the ground? Textbook Answer: 543.5 km/h at a bearing of 125.2

    asked by Anonymous on February 20, 2008
  56. Math _ Vectors

    A plane flies on a bearing of 120 degrees at a constant speed of 550 km/h. If the velocity of the wind is 50 km/h on a bearing 220 degrees, what is the velocity of the plane with respect to the ground? Textbook Answer: 543.5 km/h at a bearing of 125.2

    asked by Anonymous on February 21, 2008
  57. Reading/English

    Question 1 of 20 5.0 Points Critical Reading Identify the letter of the choice that best completes the statement or answers the question. What is Mr. Gradgrind’s opinion of horse riders? A. He does not approve of them. *B. He is fascinated with them. C.

    asked by Raechel on April 17, 2012
  58. Math

    How do you solve: n is 2 given that it is even The directions say "let n be a randomly selected integer from 1-20. Find the indicated probability" 1. A tennis player wins a math 55% of the time when she serves first and 47% of the time when her opponent

    asked by PLEASE HELP ME OUT!! on February 17, 2011
  59. physics

    Vector V1 is 8.58 units long and points along the -x axis. Vector V2 is 4.45 units long and points at +40.0° to the +x axis. (a) What are the x and y components of each vector? V1x = Incorrect: Your answer is incorrect. V1y = Incorrect: Your answer is

    asked by royaa on September 25, 2012
  60. math

    drawing several kinds of triangles including a right triangle, than draw a square on each of the sides of the triangles. compute the area of the squares and use this information to investigate whether the pythagorean theorem works for only the right

    asked by sue on May 16, 2012
  61. Math

    A running track is designed with two semicircular ends and two parallel straightaways. If the inner perimeter of the track is to be exactly 400 meters, what are reasonable dimensions for the radius and straightaway of the track? draw picure, justify answer

    asked by Mary on April 22, 2010
  62. Digital Electronics

    Hi everyone. Im not sure how to draw PLA and PAL Circuit for the following Boolean expression "F=A+~B+D". can someone please provide me with drawing below if possible is not then kindly email me on "mattkazma@gmail. com". please let me leave me response if

    asked by Mat on June 22, 2018
  63. Physics

    draw a ciruit of 2 lamps in parllel with each other connected to a power source and an ammeter to measure the total current of the circuit and a voltmeter to measure the potential difference across the two lamps

    asked by Kus omak on May 9, 2010
  64. Physics

    Two resistors of 2.0 ohm and 3.0 ohm are connected a) in series b) in parallel, with a battery of 6.0V and negligible internal resistance. For each case draw a circuit diagram and calculate the current through the battery

    asked by Bella on July 20, 2016
  65. arone moeti

    if yor-100m in mine a shaft and the lift take you down another 200m calculate your new level bank account is at -130and deposit R55 later draw R20 new bank account

    asked by nketu alice on January 29, 2014
  66. math

    Need help! The problem is: draw all the possible rectangles with a perimeter of 26 centimeters and whole number lengths of sides for each rectangle label the lengths of two adjacent sides. Dot array homework sheet. Thanks!

    asked by Hannah on October 6, 2014
  67. chemistry

    Draw a well diagram of the set up of the aparatus that can be used to show that ammonia gas can burn in oxygen Write the equation for combustion of ammonia In oxygen PLEASE HELP MI TO ANSWER THAT QUESTION IT DEFEATED MI

    asked by Taufiki Hazard on April 5, 2017
  68. chemistry

    how do u draw the lewis structure for something like CO -2 over 3. do u add 2 electrons on to the oxygen when yur finding the number of valence electrons cuz that's wat i thought u did but then i got all those questions wrong so wat do u do

    asked by michelle on October 4, 2007
  69. computer networking

    A firm is assigned the network part 128.171. It selects an 10-bit subnet part. a) Draw the bits for the four octets of the IP address of the first host on the first subnet. Programming?

    asked by vincent on June 11, 2016
  70. math

    Of the first graders who were asked, one sixth like math best, two thirds like reading best, and 12 like science best. How many first graders were asked their favorite subject? Please provide a "Draw a Picture" strategy to solve the problem.

    asked by Anonymous on February 7, 2012
  71. Math Probability

    You mix the letters M,A,T,H,E,M,A,T,I,C,A and L, thoroughly, Without looking , you draw one letter. Find the probability P(A). Write the probability as: A) fraction in simplest form B) a decimal C) a percent there are 3 letter A"s, so my answers are A)1/4

    asked by JAMIE on May 19, 2017
  72. stats

    Using the following data set a. Calculate the mean, mode, median, standard deviation, minimum, maximum and range. b. Draw the histogram of the data set. Use 100 as bin width.

    asked by Anonymous on April 17, 2016
  73. algebra 1

    there are 5 rows of pictures with 3/16 inch of vertical space between pictures.Draw a diagram and label all the heights on your diagram then write and solve an equation to find the height of each picture

    asked by sara on November 1, 2010
  74. Chem drawing

    how would I draw this compound? 2-bromo-6-chloro-4,4-dimethylheptane I've tried it again and again but I can't seem to get the Cl on the 6th carbon while still having a 6 carbon chain of heptane I drew it so that it was CH3 CBr CH2 CCH3CH3 CH2 Cl I just

    asked by ~christina~ on September 30, 2007
  75. stats

    Using the following data set a. Calculate the mean, mode, median, standard deviation, minimum, maximum and range b. Draw the histogram of the data set. Use 100 as bin width

    asked by ABDULA YUSUF on April 16, 2016
  76. Science

    Constract a heating/cooling curve from an MSDS, draw multistep energy bar charts that correspond to the curve, and calculate the total. Energy released/ absorbed

    asked by Jacob on October 28, 2010
  77. Geometry 1

    This is probably quite simple, but I was sick and missed the last few lessons. Anyway, here's the problem: Draw, mark, and label each figure: Rhombus EQUL with diagonals EU and QL intersecting at A. The intersecting at A is what's confusing me--as I said

    asked by Kayte on September 13, 2009
  78. math

    Russell planted a flowerbedthat is 1.6 square meters. Jackie planted a flower bed that is 16 tenths square meter. Draw a quick picture to model the two pictures

    asked by Miguel on September 10, 2014
  79. Physics

    Help me out! Thanks! You guys have really helped me before. Question 1 What does the law of inertia say about the velocity and acceleration of a body that is subject to no external influences? a) The velocity slows to zero as the object decelerates. b) The

    asked by Chris on February 5, 2007
  80. Plz help

    XY bisects a b at Point G which of the following is true about Point G draw a picture to help you answer the question My answer is B Pleast tell me i got this right

    asked by Glass banana on February 1, 2018
  81. Chemistry-please help quick!!

    Write a balance equation for alluminium nitrate and draw an atomic structure for alluminium nitrate...

    asked by Gidix on June 16, 2012
  82. math

    A standard deck of 52 playing cards is placed facedown on a table.how many cards must you draw from the deck to be certain that you have a pair of the same value?

    asked by udaya on December 13, 2013
  83. math Third grade

    Draw a number line. Make sure the following numbers are on your number line; 1,472; 1,560; 1,481

    asked by jordan on September 22, 2008
  84. Math

    I am a shape made of 6 line segments. I have 2 angles less than a right angle and no right angles. What shape am I? Draw an example in the workspace below.

    asked by Sofie on April 6, 2017
  85. computer science

    How can i create my computer science project which is to draw a game and make a file on your game which you can create?

    asked by Jahnvi on January 22, 2012
  86. Math

    A fence is 20 ft long. it has posts at each end and at every four feet along its length. how many fence posts are there? Draw a picture.

    asked by Derek on May 20, 2013
  87. Math

    Letter tiles a in a bag. Without looking I am going to draw one tile. Here are the letter tiles O,I,S,P,L,A What are my chances of drawing a vowel? A. 0.3 B. 0.05 C. 0.5 D. 3

    asked by Larry on March 13, 2017
  88. Math

    Draw a Venn diagram that represent a class of 32 students. All students take Spanish and 20 take French. How many did not take French.

    asked by Jordae on April 13, 2015
  89. Math

    Draw a number line make sure the following numbers are on your number line 1,472: 1,560: 1,481

    asked by Jordan on September 9, 2010
  90. Math

    Draw a number line. Make sure the following numbers are on your number line 1,472;1,560;1,481

    asked by Alicia on August 24, 2010
  91. chemistry

    the element germanium has a diamond-type structure.describe the structure of germanium.draw diagram

    asked by sweetie on December 7, 2010
  92. math

    if 2 cards are drawn from 52-cards deck without replacement, how many different ways is it possible to obtain a king on the first draw and a king on the second?

    asked by Anonymous on April 4, 2011
  93. Math

    Draw a number line. Make sure the following numbers are on your number line: 1,472; 1,560; 1,481.

    asked by Danni on September 26, 2011
  94. Algebra

    Two cities are 5 1/2 inches apart on a map. The actual distance between the cities is 66 miles. What scale was used to draw the map?

    asked by Sasha on January 11, 2011
  95. math

    This pattern represents the SQUARE NUMBERS: 1,4,9,16,25,36...draw a picture or diagram to explain SQUARE NUMBERS.

    asked by Jeff on October 25, 2010
  96. Physics

    Four particles in the xy plane have the following masses and coordinates: 1 kg at (3 m, 3 m), 2 kg at (-2 m, 4 m), 3 kg at (3 m, -2 m) and 4 kg at (-3 m, -4 m). Find the total moment of inertia about: x-axis? y-axis? z-axis?

    asked by Bob on November 28, 2011
  97. Physics

    Four particles in the xy plane have the following masses and coordinates: 1 kg at (4 m, 4 m), 2 kg at (−3 m, 5 m), 3 kg at (5 m, −2 m) and 4 kg at (−2 m, −4 m). Find the total moment of inertia about: a) the x-axis: kg*m2 b) the y-axis: kg*m2 b)

    asked by applebottom on December 15, 2010
  98. Science

    Four particles in the xy plane have the following masses and coordinates: 1 kg at (3 m, 3 m), 2 kg at (-2 m, 4 m), 3 kg at (3 m, -2 m) and 4 kg at (-3 m, -4 m). Find the total moment of inertia about: x-axis? y-axis? z-axis?

    asked by John on November 30, 2011
  99. Calculus III

    Hi, this question is about Langrange multipliers. Given f(x,y) = y^2 - x^2, subject to the constraint g(x,y) = 0.25x^2 + y^2 = 1, find the max and mins. So I found the partial derivatives for both f(x,y) and g(x,y): fx = -2x fy = 2y gx = 0.5x gy = 2y And

    asked by Justin on December 10, 2016
  100. Calculus III

    Hi, this question is about Langrange multipliers. Given f(x,y) = y^2 - x^2, subject to the constraint g(x,y) = 0.25x^2 + y^2 = 1, find the max and mins. So I found the partial derivatives for both f(x,y) and g(x,y): fx = -2x fy = 2y gx = 0.5x gy = 2y And

    asked by Justin on December 11, 2016