1. math

    draw and label BN. Draw and label point T on it.
  2. math and science

    what Will be 21/06/2018 next draw and 22 /06/2018 next draw
  3. Physics

    The figure below shows two pint charges, each of -2Q, fixed on the y-axis at y = +a and at y = -a . A third points charge -Q is placed on the x-axis at x = 2a . Express all algebraic answers in terms of Q, a, and fundamental constants. (a) What is the net
  4. physics

    A jetliner can fly 5.57 hours on a full load of fuel. Without any wind it flies at a speed of 2.43 x 102 m/s. The plane is to make a round-trip by heading due west for a certain distance, turning around, and then heading due east for the return trip.
  5. algebra

    In a basketball game, Garrett and Logan scored a total of 19 points. Logan and Ray scored a total of 14 points. Logan scored as many points as Garrett and Ray together. How many points did each player score? Logan______ Garrett______ Ray_____
  6. calculus

    given the following function find, a. zeros and the multiplicity of each b. number of turning points c. end behavior f(x)=(x-1)(x-5) a. x=1 and x=5--is this correct? b. number of turning points I had f(x)-0 BUT my teacher said this-- Note that the equation
  7. chem

    How many structural isomers of dicloro,hydroxy,butanoic acid are there? Is there a website that has the structure with names??? The point of this question is to get you to draw the compound, then move the cloro and hydroxyls and count the variations. So
  8. Social Studies

    11. What resources led to the appearance of the Industrial Revolution in New England? (5 points) 12. During the early 1800s, the United States tried to make peace with other countries in order to grow and develop. Give an example of one of these peace
  9. Social Studiesss

    11. What resources led to the appearance of the Industrial Revolution in New England? (5 points) 12. During the early 1800s, the United States tried to make peace with other countries in order to grow and develop. Give an example of one of these peace
  10. algebra

    can anyone solve this please it is hard In a basketball game, Garrett and Logan scored a total of 19 points. Logan and Ray scored a total of 14 points. Logan scored as many points as Garrett and Ray together. How many points did each player score?
  11. Re: Physics

    Posted by COFFEE on Friday, March 30, 2007 at 4:25am. A 1.1 kg particle-like object moves in a plane with velocity components Vx = 30 m/s and Vy = 90 m/s as it passes through the point with (x, y) coordinates of (3.0, -4.0) m. (a) What is its angular
  12. Physics

    John's approval rating is an average based upon 4 categories. What is his overall weighted rating if the following is true? Category 1= 450 points weight factor 1 Category 2= 475 points weight factor 2 Category 3= 500 points weight factor 1 Category 4= 400
  13. math

    I need help with slopes and lines. Determine the slope of each line a line through points (-1, 2) and (2, -7) Slope of a line through two points (x1, y1) and (x2, y2) is (y2 - y1)/(x2 - x1). So substituting the given points we have (-7 - 2)/(2 - (-1)) i.e
  14. trig

    A plane is flying with an airspeed of 150 miles per hour and heading 155°. The wind currents are running at 25 miles per hour at 160° clockwise from due north. Use vectors to find the true course and ground speed of the plane.
  15. physics

    A satellite moves on a circular earth orbit that has a radius of 6.68E+6 m. A model airplane is flying on a 16.3 m guideline in a horizontal circle. The guideline is nearly parallel to the ground. Find the speed of the plane such that the plane and the
  16. Physics

    A satellite moves on a circular earth orbit that has a radius of 6.4 106 m. A model airplane is flying on a 23-m guideline in a horizontal circle. The guideline is parallel to the ground. Find the speed of the plane such that the plane and the satellite
  17. physics

    solid sphere of uniform density starts from rest and rolls without slipping down an inclined plane with angle è = 30o. The sphere has mass M = 8 kg and radius R = 0.19 m . The coefficient of static friction between the sphere and the plane is ì = 0.64.
  18. physics

    A satellite moves on a circular earth orbit that has a radius of 6.68E+6 m. A model airplane is flying on a 16.3 m guideline in a horizontal circle. The guideline is nearly parallel to the ground. Find the speed of the plane such that the plane and the
  19. physics

    A satellite moves on a circular earth orbit that has a radius of 6.68E+6 m. A model airplane is flying on a 16.3 m guideline in a horizontal circle. The guideline is nearly parallel to the ground. Find the speed of the plane such that the plane and the
  20. Algebra

    A plane is traveling at a speed of 160 mph in still air. Flying with a tail wind, the plane is clocked over a distance of 800 miles. Flying against a headwind it takes 3 more hours to complete the return trip. What was the wind velocity?
  21. Trig

    A pilot is flying over a straight highway. He determines the angles of depression to two mileposts, 3 mi apart, to be angle x = 31° and angle y = 49°, as shown in the figure. (Round your answers to two decimal places.) Find the distance of the plane from
  22. physics

    A spring (k=200N/m) is fixed at the top of a frictionless plane inclined at an angle of 40 degrees. A 1 kg block is projected up the plane from an initial position that is distance d=0.60m from the end of the relaxed spring, with an initial kinetic energy
  23. physics

    A spring (k=200N/m) is fixed at the top of a frictionless plane inclined at an angle of 40 degrees. A 1 kg block is projected up the plane from an initial position that is distance d=0.60m from the end of the relaxed spring, with an initial kinetic energy
  24. Economics

    I have the following question in my assignment: The cost of producing stero systems has fallen over the past several decades. A:Use the supply-and-demand diagram to show the effects of fallaing production costs on the price and quantity of steros sold.
  25. math

    Each time Lucy uses her credit card she earns points from the credit card company. For every 100 dollars she spends she earns 50 points. Choose the equation that accurately represents the relationship between the two variables: m = amount of money spent,
  26. calc2

    Let R denote the region in the plane consisting of all points (x,y) where x ≥ 1 and 0 ≤ y ≤ 2/x. Let S denote the solid formed by rotating R about the x-axis. Observe that S is an unbounded region; that is, it extends indefinitely in the
  27. Algebra

    Together, Larry and Moe scored less than 25 points in the basketball game. If Larry scored 8 points, how many points P did Moe score? I need help finding the answer/understanding the question.
  28. 5th math

    Nia scored 21 points in the game. If she scored 13 points in the first half of the game, how many points did she score in the second half? I subtract 21 from 13 and got 7? To check my work I added 13+7 and got 20?
  29. maths

    In a competition, 5 points were awarded for each game won and 2 points were deducted for each game lost.A pupil attempted 15 games and got 54 points.How many games did the pupil win?
  30. math

    the question is a stock gained 2 7/8 points, lost 1 3/4 points and then gained 1/2 point and then lost 5 points. What was the total change in the stock price? I got a loss of = -3 3/8 is this correct
  31. Linear Algebra

    Last number from the sample test! A plane P passes by the coordinates: A(1,0,-7); B(-2,-1,0); C(0,0,-3) Using the equation of the line D: x= 7+12t, y= -1-6t, z= 2-2t, Find the equation of a line that's entirely part of the plane P and that is perpendicular
  32. Physics

    A 4.3-kg block slides down an inclined plane that makes an angle of 26° with the horizontal. Starting from rest, the block slides a distance of 2.1 m in 5.1 s. Find the coefficient of kinetic friction between the block and plane.
  33. Physics

    A 4.6-kg block slides down an inclined plane that makes an angle of 26° with the horizontal. Starting from rest, the block slides a distance of 2.6 m in 4.9 s. Find the coefficient of kinetic friction between the block and plane.
  34. Physics

    A 4.0-kg block slides down an inclined plane that makes an angle of 25° with the horizontal. Starting from rest, the block slides a distance of 2.5 m in 5.4 s. Find the coefficient of kinetic friction between the block and plane.
  35. Physics

    A toy plane of mass 0.624 kg is flown in a circle when attached to a string. The plane moves around the circle with a rotational speed of 8.09 rpm. The length of the string is 2.60 m. What is the tension in the string?
  36. physics

    A toy plane of mass 0.624 kg is flown in a circle when attached to a string. The plane moves around the circle with a rotational speed of 8.09 rpm. The length of the string is 2.60 m. What is the tension in the string?
  37. phisecs

    .: A 5.0 kg block is moving with constant velocity down a rough incline plane. The coefficients of static and kinetic friction between the block and the incline are 0.25 and 0.20, respectively. What is the inclination angle of the incline plane?
  38. Physics

    An airplane, traveling 142.5 km/hr at the moment it touches the runway, runs off the end of the runway still traveling at 36.7 km/hr. If the plane’s rate of deceleration was -1.6 m/s2, how long and how far did the plane travel along the runway?
  39. calculus

    An airplane is cruising at 340 km/h at an altitude of 4000 m. If the plane passes directly over an observer on the ground, how fast is the distance from the plane to the observer changing when it is 3000 m away from the point directly above the observer?
  40. math

    In a storm, a plane flew against the wind and took 9 hours to cover 3,600 miles. The return trip, traveling with the wind, took 1 hour less. find the air speed of the plane, and the speed of the wind.
  41. Physics

    A flight controller determines that an airplane is 20.0 south of him. Half an hour later, the same plane is 46.0 northwest of him. If the plane is flying with constant velocity, what is the direction of its velocity during this time? What is the magnitude
  42. Physics

    "An airplane is climbing at an angle of 15 degrees to the horizontal with the sun directly overhead. The shadow of the airplane is observed to be moving across the ground at 200 km/h. How long does it take for the plane to increase its altitude by 1000 m"?
  43. Physics

    Two blocks A and B are connected by a light in extensible cord passing over a frictionless pulley. Block A starts from rest and moves up the smooth plane which is inclined at 30 degrees to the horizontal. Calculate at the moment that A has moved 4 m along
  44. Physics

    A jetliner can fly 6.50 hours on a full load of fuel. Without any wind it flies at a speed of 2.15 102 m/s. The plane is to make a round-trip by heading due west for a certain distance, turning around, and then heading due east for the return trip. During
  45. Calculus

    RP^2=RQ^2 + QP^2 -2(RQ)*(QP)cosQ (1) QP = 24 (km/min) t (2) Diffentiate both sides w.r.t. the time t: 2 RP* d Rp/dt = 2 t [24 (km/min)]^2 -2(RQ)* 24 (km/min) cosQ (3) Using (1) and (2) you find out what RP is at t = 4 minutes. You plug that into (3) and
  46. Englsih

    1. He waited for the plane reading a newspaper, 2. He waited for the plane while he was reading a newspaper. 3. He waited for the plane while he read a newspaper. ----------------------------- Does #1 mean #2 or #3? Which one is similar to #1, #2 or #3?
  47. math help needed

    the bookholder company maunfactures two types of bookcases out of oak and walnut. model 01 requires 5 board feet of oak and 2 board feet of walnut. model 02 requires 4 board feet of oak and 3 board feet of walnut. a profit of $75 is made on each model 01
  48. Calculus

    (Another related rate question) A plane (alt. 4000ft) is flying west at 700ft/sec. A searchlight under its path, tracks it. How fast if the light pivoting when the plane is 1000ft east? --- Kind of similar to the lamp post question I posted earlier. I know
  49. Math

    Flying into the wind, a plane takes 8 h to travel 5432 km from Paris to Montreal. The same plane flying with the wind from Montreal to Paris takes only 7 h. Find the speed of the plane and the speed of the wind. Can you plz answer this sir I really would
  50. physics honors

    You are given a vector in the xy plane that has a magnitude of 100.0 units and a y component of -50.0 units (b) Assuming the x component is known to be positive, specify the vector which, if you add it to the original one would give a resultant vector that
  51. Math

    For each of the following draw a Venn diagram for sets A, B, and C that satisfies the given conditions: a.Draw a Venn diagram for sets A, B, and C such that b.Draw a Venn diagram for sets A, B, and C such that
  52. Physics( Explain and choose right answer)

    A ball on the end of a rope is moving in a vertical circle near the surface of the earth. Point A F T is at the top of the circle; C is at the bottom. Points B and D are exactly halfway between A and C. Which one of the following statements concerning the
  53. PHYSICS

    A plane flying horizontally at 180 m/s drops a box just as it crosses a coastline. The box lands 3 kilometers from the coast. - At what height is the plane flying? - How long it takes to the box to reach the ground ?
  54. physics-newton's laws

    an aeroplane is flying in a horizontal circle with airspeed of 480 km/h. The wings of the plane are tilted at 40 degrees to the horizontal. What is the radius of the circle and how long does it take the plane to complete one full circle?
  55. trig

    A plane climbs into the jet stream which is flowing at a rate of 80 miles per hour. It travels with the jet stream for 5 hours and then reduces its altitude, flying out of the jet stream for 4 more hours. The plane, while out of the jet stream, covered 550
  56. Science

    An airplane has to fly eastward to a destination 856 km away. If wind is blowing at 18.0 m/s northward and the air speed of the plane is 161 m/s. In what direction should the plane head to reach its destination. So I know the direction is south east but
  57. helth

    1. Health related factors refer to coordination, agility, power, speed, balance, and reaction time. (1 point) * True (1 point) * False (0 points) 2. There are some aspects of fitness that we have little or no control over. (1 point) * True (0 points) *
  58. English

    Formative Test Now, let's check how well you can use the expressions you've learned. I will distribute handouts. You have to solve the problems. You will have 5 minutes. Are you finished? Then, I'll write down the answers. Look at the answers on the
  59. math

    I'm not sure how to work this problem out. Find it very confusing and my answer keeps changing. Please help. From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B, on the opposite
  60. maths

    DRAW LOCUS OF POINT SO THAT IT IS EQUIDISTANT FROM BC & CA . ... constructed such that none of these triangles overlaps triangle ABC. a) Draw a triangle ABC and then sketch ... 16) AB = 3.2cm BC = 8.4cm The area of the triangle ABC is 10cm². ... CONSTRUCT
  61. networking

    A firm is assigned the network part 128.171 It selects a 10-bit subnet part a) draw the bits for the first four octets of the IP address of the first host on the first subnet. b) convert this answer to dotted decimal notation. c) Draw the bits for the
  62. Science

    1.Asolid sphere has amoment of inertia of 0.8kgm2&diameter 10cm rolls down along an inclined plane of length 80cm which is inclined at 37` to the horizontal .What is the transitional momentum of the sphere as it reaches to the foot of the inclined plane?
  63. Physics

    A 5.1 kg block slides down an inclined plane that makes an angle of 26 degrees with the horizontal. Starting from rest, the block slides a distance of 2.9 m in 4.6 s. The acceleration of gravity is 9.81 m/s2 . Find the coefficient of kinetic friction
  64. physics

    A 5.4 kg block slides down an inclined plane that makes an angle of 38 with the horizontal. Starting from rest, the block slides a distance of 2.5 m in 5.3 s. The acceleration of gravity is 9.81 m/s2 . Find the coefficient of kinetic friction be- tween
  65. physics

    A centreate block mass 25kg is placed on a wooden plant inclined at an angle 32 dergree to the horizontal calculate the force parallel to the inclined plane that would keep the block rest .If the cofficient of fricition between the block and the plane is
  66. Algebra

    How do you sole the problem below? Kevin flies a plane against a headwind for 5600 miles. The return trip with the wind took 10 hours less time. If the wind speed is 5 mph, how fast does Kevin fly the plane when there is no wind?
  67. physics

    A box slides down a plane 8 m long that is inclined at an angle of 30 degrees with the horizontal. If the box starts from rest and u = 0.25, find a.) the acceleration of the box, b.) it's velocity at the bottom of the plane, and c.) the time required for
  68. Physics

    A box is sent up a frictionless inclined (34.2 degrees) plane at an initial speed 3.9 m/s. (a) How much time, in seconds, does it take for the box to stop? (b) How far did the box travel up the plane before it came to a stop?
  69. Urgent physics help

    A plane flies 230 mph at 60 degrees north of west for 2.5 hours how far did the plane travel? how far west did it go? how far north did it go? how fast did it go west?
  70. physics

    A plane is traveling at an altitude of 500meters and drops a bottle the bottle lands 400meters horizontally. how fast was the plane traveling when the bottle was released?
  71. Algebra 1 - 9th Grade

    A contestant on a quiz show gets 50 points for every correct answer and loses 100 points for each incorrect answer. After answering 24 questions, the contestant has 300 points. How many questions has the contestant answered correctly? Incorrectly?
  72. chemistry

    (c) some properties of the two compounds are listed below: compound X: compound Y: melting point -144C -138C boiling point 78C -22C net point Yes Yes functional group Alcohol Ether (i.) Draw plausible Lewis Structures of compounds X and Y. (ii.) In which
  73. Algebra 1 help

    Can someone tell me if my answers are right and explain how you got each one thank you very much ! 1. What is the slope of the line that passes through the points (-2, 5) and (1, 4)? A. -3 B. -2 C. -1/3 ** D. 1/3 2. A line has a slope -5/3. Through which
  74. math

    Draw a model for each mixed number then write the mixed number as an improper fraction 1.4 1/3=13/13 2.3 3/8=27/8 3.2 2/5=12/5 If those answers are correct, how do I draw a model?
  75. math

    Select 2 cards from a deck of 52, a. Find the probability of getting 2 hearts b. Find the probability of getting a heart on the 2nd draw given that you got a heart on the first draw
  76. Physics

    Can you please show me how these answers are reached. A fully loaded Cessna-182 airplane of mass 1290 kg has an engine failure when flying with an airspeed of 139 km/h at an altitude of 2670m on a calm day. It then glides at a constant glide angle (which
  77. physics

    A uniform electric field of magnitude 75 n/c is created at an angle of 33 degree relative to the positive x-axis. a)Find the voltage between the points (0.5m,0)& (0,0). b)find the value of y such that the voltage between the points (0.3 m, y) and (0,0) has
  78. Physics

    A uniform electric field of magnitude 75 n/c is created at an angle of 33 degree relative to the positive x-axis. a)Find the voltage between the points (0.5m,0)& (0,0). b)find the value of y such that the voltage between the points (0.3 m, y) and (0,0) has
  79. Algebra 1

    A contestant on a quiz show gets 50 points for every correct answer and loses 100 points for each incorrect answer. After answering 24 questions, the contestant has 300 points. How many questions has the contestant answered correctly? Incorrectly?
  80. Geometry

    Anyone know how to write a proof for this? - The perpendicular segment from a point to a plane is the shortest segment from the point to the plane. Thanks
  81. physics

    A plane flies at 350 km at 28 degrees south of east. How far has the plane flown east and how far south ?
  82. physics

    You are on an airplane traveling 30° south of due west at 130.0 m/s with respect to the air. The air is moving with a speed 31.0 m/s with respect to the ground due north. 1) What is the speed of the plane with respect to the ground? 2) What is the heading
  83. Math

    Flying into the wind, a plane takes 8h to travel 5432 km from Paris to Montreal.The same plane flying with the wind from Montreal to Paris takes only 7 h. Find the speed of the plane and the speed of the wind.
  84. Math

    1. Find all values of p such that 2(x+4)(x-2p) has a minimum value of -18. I know that y is the minimum value,I know x is -4. But, I am not sure how to find p. 2.The temperature of a point (x,y) in the plane is given by the expression x^2+ y^2 - 4x +
  85. Geometry

    Which one of these is NOT a step used when constructing an inscribed square using technology? A. Create a circle using the center with given points tool. B. Connect the points with a line through the center of the circle. C. Mark the points of intersection
  86. physics

    A rescue plane carries a package of emergency supplies to be dropped at a point that is very close to the target. The plane travels with a velocity of 75m/s and flies 135m above the target. How far away (horizontally) from the target must the pilot release
  87. Physics

    What value of F can pull the 5.00 kg box at constant velocity up the incline plane if uk=0.25. uk is coefficient friction The force F must equal the component of weight down the plane added to the frictional force. The frictional force is uk*mg*cosTheta.
  88. physics

    crate weighing 6.90 x 10^3 N is pulled up a 46° incline by a force parallel to the plane. If the coefficient of kinetic friction between the crate and the surface of the plane is 0.750, what is the magnitude of the applied force required to move the crate
  89. Math Trignometry

    . From the top of the 800-foot-tall Cartalk Tower, Tom sees a plane; the angle of elevation is 67°. At the same instant, Ray, who is on the ground 1 mile from the building, notes that his angle of elevation to the plane is 81° and that his angle of
  90. Calculus

    Linear Approximation Function is y=x2 . Take three points, x=2, x=3, x=4. Approximate this function at these three points for a deviation Δx =0.1. Which of the three points does the approximation works best? Which point does it works worst?
  91. Statistics

    A 50-question true-false exam is given. Each correct answer is worth 10 points. Consider an unprepared student who randomly guesses on each question. In your solution, please be sure to show the exact steps you used to arrive at the answers. A. If 5 points
  92. Physics

    Two current carrying wires cross at right angles as indicated in the figure. If the wires are not restrained, what statement best describes the motion of the wires? Hint: To help you visualize the situation, draw first the magnetic field that Wire 1 makes
  93. Physics

    for some reason I keep on getting 1.2 seconds for (b) and .86 m for (a) The back of the book has the same answers for (a) but has 1.5 seconds for (b) i do not see what I'm doing wrong. Can someone confirm that I'm wrong or right??? A blcok is given an
  94. Science

    An aeroplane flying in the air dips with a speed of 360 km per hr in a vertical circle of radius is 200m the weight of the pilot sitting in it 75kg calculate the force with which the pilot presses his seat and plane is at lowest point and plane is at
  95. physics

    1. A 100 lb body is pulled up an inclined plane making an angle of 37 degrees with the horizontal by the rope that passes over the pulley at the top of the plane and is fastened to a 70lb. weight. Neglecting the effect of friction, find the acceleration of
  96. Physics

    A train travels between stations 1 and 2. The engineer of the train is instructed to start from rest at station 1 and accelerate uniformly between points A and B, then coast with a uniform velocity between points B and C, and finally accelerate uniformly
  97. Physics

    A train travels between stations 1 and 2. The engineer of the train is instructed to start from rest at station 1 and accelerate uniformly between points A and B, then coast with a uniform velocity between points B and C, and finally accelerate uniformly
  98. ap statistics

    In a survey, 600 mothers and fathers were asked about the importance of sports for boys and girls. Of the parents interviewed, 70% said the genders are equal and should have equal opportunities to participate in sports. B. Using the normal approximation
  99. Geometry

    Given triangle ABC, AD bisects angle BAC,and AE=ED Prove AE/AC=BD/BC Because I cant draw it I will explain. Its a triangle, A is the point at the top, B is the point at the bottom left and C is the point at the bottom right.There is a line going right down
  100. physics

    When a jet lands on an aircraft carrier, a hook on the tail of the plane grabs a wire that quickly brings the plane to a halt before it overshoots the deck. In a typical landing, a jet touching down at 240 km/h is stopped in a distance of 95 m. What is the