1. physics (pendulums)

    i understand the PE and KE and MKE points and how gravity effects a pendulum, but how does kenetic and potential energy effect it?
  2. math

    Find two point on a circle x^2+y^2=1 where the slope of the tangent line is -2 write the equation for the normal lines at these points.
  3. Algebra 2

    Compare the graphs of the inverse variations by comparing asymptotes, similar points, lines of reflections, and quadrants. y=-0.7/x and y=-0.9/x
  4. math _ HELP !!

    two points on the graph of a linear functions are (-3,5) and (-1,4). Determine the equation of the function in slope form ? can someone help explain in step ? Thanks
  5. calcxulus1

    Find the critical points of the function. (Enter your answers as a comma-separated list.) g(x) = square root(81 − x^2)
  6. world issues

    i'm having trouble grasping what happened in the Solomon islands 'tensions' could you help me understand the main points/events whatever thanx
  7. maths-urgently needed

    ABCD is a trapezium, P and Q are mid points of the diagonals AC and BD. If AB=17cm and CD=9cm then the length of PQ is equal to
  8. english

    write your points for or against the motin which states that 'excessive self confidence is indisputably a boon and not a bone .750 words
  9. Math

    Find the equation of the line that passes through the pair of points. Write your answer in slope-intercept form (2,-5)(2,-1)
  10. math

    the scale 1;20000.calculat actual distance between two points which are 2.7 cm apar map..give answer in koilometers
  11. maths

    what are the coordinates of the three points that divide the line segment joining P(a,b) and Q(c,d) into four equal parts ...textbook answer is (3a+c/4,3b+d/4) is one of the three coordinats
  12. math

    point c (2,1) is the midpoint of line segment ab. Find the coordinates of points a and b if they are both on axes. explain and justify your reasoning
  13. Algebra

    I am supposed to find the equation for the boundary lines, using the points 0,4 and 3,5. I got 5-4/3-0, which plugged into y=mx+b would equal y=1/3x+b. The book says b equals four, but where does this number come from? Thanks!
  14. Family Law

    A __________ agreement can be used by same-sex couples in all states. (Points: 5) prenuptial postnuptial premarital cohabitation Is it "D"
  15. calculus

    Determine the points in the interval (0, 2π) at which the graph of the function below has a horizontal tangent line. f(x) = 10 cos x + 5 sin 2x There should be three
  16. Algebra I

    Two airplanes start at the same time and fly toward each other from points 1000 km apart at rates of 420 km/h and 330 km/m . After how many hours will they meet?
  17. pre cal

    ok I am at a total loss here. I have a graph with the points (0,-3) (0,-5) (3,-2) (5,-7) with vertical asymptote of (6,1) I have to find the rational function. where do I start?
  18. english

    I look for areas of interest when people speak. How would you rate your self and where are your strongest points and where can you improve? answers: always, frequently, occasionally or never.
  19. psy.

    Trish is overweight. When you meet her for the first time, you feel contemptuous. This is an example of: (Points: 5) stereotyping. ethnocentrism. discrimination. prejudice.
  20. Algebra

    The polynomial function is defined by f(x)=4x^4+2x^3-8x^-5x+2. Use a calculator to find all the points (x,f(x)) where there is a local maximum. Round to the nearest hundredth.
  21. algebra 2

    how do you graph a polynomial function such as f(x)= 1/10(x=3)(x-1)(x-4)? I know that I need to fing the x intercepts, End Behaviors, and, the turning points but i cannot figure out how to even get thosee. Please help.
  22. Help math

    find 2 exponential functions with asymptote of y=80 , with points (0,176) (1,169) (3,156) (5,146) (20,101) (30,90) (60,81).one should have the base of "e"
  23. math

    Sketch one full cycle of the graph of y=3sin(0.5x)-2.Give the amplitude and the period and the indicate the turning points and intercepts clearly.
  24. calculus

    5) Find the points on the curve below at which the tangent is horizontal. Use n as an arbitrary integer. (Select all that apply.) y=Sin(x) / 2+ Cos (x)
  25. Geometry Honors

    Find 2 points on the perpendicular bisector of line AB. Verify your results by showing each point is equidistant from A and B. 34.) A (0,0) B 90,4) 36.) A (3,3) B (3,-3) 38.) A (3,0) B (1,4)
  26. math

    Considering the scenario from the previous question, if partial payment was sent by the discount date, what is the balance still due on the order? (Points : 2.5)
  27. math

    Find equations for exponential functions that pass through the given pair of points. (Round all coefficients to 4 decimal places if necessary.) (-2, 3) and (3, 4)
  28. Maths: Intergration

    The curve with equation y = ax^2 + bx + c passes through the points P(2,6) abd Q(3,16), and has a gradient of 7 at the point P. Find the values of the constants a,b and c. Thanks!
  29. Intro to comp

    What unit of measure is used to determine the performance of a CPU? (Points: 5) Bits per second Cycles per second Hertz Instructions per second Is it D
  30. math

    I gave a test that had 50 items on it. I can only enter a grade of 20 total points if all are answered correctly. So, how much would each answer be worth?
  31. college algebra

    find the equation for the line with the given properties. Express in slope intercept form. Containing points P=(-3,-4) anda Q=(-1,-1)
  32. anthropology

    Older people are given more respect in all societies when they are (Points : 1) no longer working. married. economically productive. living on their own.
  33. math

    Place decimal points in these numbers so that their sum is 519.654. 329 913 477 624
  34. math

    x = 3 - y^2 y = x - 3 Find the points of intersection. If someone could even get me to the point where it gets written in general form (both equations set to 0..) I would be forever grateful.
  35. ANT101

    The ___ method of anthropology is useful in many different work settings. (Points : 1) marketing pedagogical statistical participant observation
  36. College math

    Analyze x²-6x-5y=1. Determine the vertex, focus, directrix, intercepts, axis of symmetry, and at least 2 other points on the graph.
  37. Math

    What is the measure of the point for a star shaped polygon with 8 points and a dent angle of 130 degrees? How do I work this out?
  38. History

    what the United States may have looked like had the Anti-Federalists “won” their points in the ratification debate and the writing of the Constitution
  39. Chemistry

    When determining boiling points, why would you need to repeat your experiment if your sample completely vaporized before you were able to obtain a constant temperature?
  40. Math

    Given the following points determine whether the transformation was a Rotation(specify direction and size), a reflection(over what point/line) or trasnlation(specify the rule). 1. C(0,4). C'(2,6) N(-2,3) N'(0,5) 2. G(0,0) G'(4,0) R(-1,4) R'(5,4) 3.
  41. Chemistry

    What would be the freezing and boiling points of a solution prepared by dissolving 1.00g of benzoic acid (C6H5CO2H) in 10.0g of benzene?
  42. Everest

    The Greek philosopher Socrates cautioned, "The unexamined life is not worth living." (Points : 4) True False
  43. maths

    Find the coordinates of the points of intersection of the straight line y = 3x - 6 with the parabola y = x^2 - 6x + 8. a) Graphically b)Prove your answer in (a) algebraically
  44. Math

    Given the following points determine whether the transformation was a Rotation(specify direction and size), a reflection(over what point/line) or trasnlation(specify the rule). 1. C(0,4). C'(2,6) N(-2,3) N'(0,5) 2. G(0,0) G'(4,0) R(-1,4) R'(5,4) 3.
  45. Chemistry

    When determining boiling points, why would you need to repeat your experiment if your sample completely vaporized before you were able to obtain a constant temperature?
  46. Algebra

    If a firm has the following cost anfd revenue functions find the break even points C(x)=3600+25x+1/2x^2 R(x)=(175-1/2x)x
  47. Financial math

    what would be the fee for a buyer to purchase 2 discount points on a home with a sale price of 275,000
  48. Math

    Given the following points determine whether the transformation was a Rotation(specify direction and size), a reflection(over what point/line) or trasnlation(specify the rule). 1. C(0,4). C'(2,6) N(-2,3) N'(0,5) 2. G(0,0) G'(4,0) R(-1,4) R'(5,4) 3.
  49. algebra

    Find the equation for the line that passes through the points (58,14) (57,27). Give your answer in point-slope form. You do not need to simplify.
  50. Math

    Can someone please help me with this problem? Use the number line to model the sum 2 + (-6). Here is my answer: <---6---5---4---3---2--1--0--1--2--3--4--5--> Start at 2 and count backwards 6 points. Is this correct?
  51. English

    Does contemporary literature encourage young readers to look beyond Australian stereotypes? If so then why? Please state atleast 5 argumentative points.
  52. Advanced Algebra

    Find the exponential function of the form y=ax^b whose graph passes through the points (-3, 1/27) and (0,1). I don't know where to begin with this problem??
  53. english

    Select the sentence that is punctuated correctly. (Points :1) Zora s lemon tree produces too much fruit. She gives them away therefore, to her friends and ...
  54. caculus

    Let f(x,y)= x^2+3y-3xy and R is the triangular region with vertices (0, 0), (2, 0) and (2, 2). Find the interior and boundary points only at which the absolute extrema of f(x, y) can occur
  55. Math

    Please check my answer~ Find the distance between points C (4,12) and D (-2,5) to th3 nearest tenth. d=sqrt(-2,4)^2+(5-12)^2 d=sqrt36+49 d=sqrt85 d=9.2
  56. math/algebra

    find the slope if it exists, of the line containing the pair of points. (1,3) and (7,-7) I know you have to do it like -7-3/7-7 and then I get -10/6 and then -1.66666666666667 what do i do to simplify it and write as the answer
  57. ENGLISH

    I am having a hard time understanding key points to write my essay on. Can I get some opinions on why it is important to speak your mind?
  58. Calculus

    Find the points of inflection of the curve below. Round the answers to three decimal places. (Hint: All three are in a straight line.) y= (1+x)/(1+x^2)
  59. Math

    Given the following points determine whether the transformation was a Rotation(specify direction and size), a reflection(over what point/line) or trasnlation(specify the rule). 1. C(0,4). C'(2,6) N(-2,3) N'(0,5) 2. G(0,0) G'(4,0) R(-1,4) R'(5,4) 3.
  60. Math

    Given the following points determine whether the transformation was a Rotation(specify direction and size), a reflection(over what point/line) or trasnlation(specify the rule). 1. C(0,4). C'(2,6) N(-2,3) N'(0,5) 2. G(0,0) G'(4,0) R(-1,4) R'(5,4) 3.
  61. physics

    A vector points 34.8 degrees to the Northeast with magnitude 15. What are the north and east components that make up the remainder of the triangle?
  62. Health

    3. Fruits and vegetables are good sources of (Select all that apply.) (2 points) A) carbohydrates. B) fats. C) proteins. D) fiber
  63. Algebra 2

    Can someone please check my answers? The question is: Write an equation for the perpendicular bisector of the line segment joining the two points. (-5,6),(1,8)= y=-3x+1 (1,4),(6,-6)= y=(1/2)x-(3/4) (5,10),(10,7)= y=(5/3)x-(17/3)
  64. healthcare

    Health Care Costs For Consumers with dietary supplement. I need some basic points and to start my seach on this point. Thank you
  65. Business

    All but what are associated with metaphors? (Points : 1) A Analogy B Meta = transfer, beyond C Rolls-Royce = wealth D love a game I think the answer is A.
  66. Calculus

    For the following function, find the relative max's or min's using any method. I'm having a hard time finding the critical points...
  67. 8th grade math

    Henry claims that a line segment has a finite number of points because it has two endpoints. How do you respond?
  68. maths

    I applied Gauss Jordan on a matric and result what i get is x+2y=3 y=0 z=free How to find three intersection points for this system? Kindly help
  69. math

    A circle and two separate lines are sketched on a sheet of paper. What is the largest possible number of points of intersection of these 3 figures?
  70. math

    Find the distance between the two points. Round an approximate result to the nearest hundredth. (-1, -1) and (3, -7) A) 7.21 B) 26 C) 6.93 D) 24 i don't know if i am doing something wrong but i keep getting the answer of 2
  71. Math

    Find the equation for the exponential function that passes through the pairs of points given. Through (-1,2) and (3,1). I don't know if this is the right way to work this or what the next step is i am just very confused. Please help, thank you! y=Ab^x
  72. Calculus

    There are two points P=(a,a^2) and Q=(b,b^2) (a<b) moving along the parabola y=x^2. If the area of the region bounded by y=x^2 and the line segment PQ is always 36, what is the value of lim as a→∞ of PQ/a?
  73. EDU

    differences between local, state, and federal roles in public elementary and secondary education. Bullet points are acceptable
  74. physics

    016 (part 1 of 2) 10.0 points A speedboat increases in speed from 17.9 m/s to 31.8 m/s in a distance 188 m. Find the magnitude of its acceleration.
  75. science

    Two points A and B are 85cm north and 60cm west of point charge of -45x10-3 respectively.Calculate the potential difference between A and B
  76. Lmss

    "Is evil then triumphant "Do you think this Statement hold any truth in the present day context?justify with atleast four points .
  77. Calculus

    Find all points on the curve x^2y^2+2xy=3 where the slope of the tangent is -1. If there is more than one point, use a comma to separate each pair of coordinates
  78. Calculus grade 12

    find the coordinates of all points on the graph of f(x) = x + 2cos(x) in the interval [0, pie] at which the tangent line is horizontal.
  79. ECE 311 early childhood curriculum

    1. A child who exhibits “unconditionality” regarding confidence and self-esteem ___________ (Points : 1)
  80. AP Chemistry

    Which of the following statements is true regarding two points within a system? A. They will have different types of particles. B. They cannot interact with each other. C. They have different boundaries. D. They have the same internal energy. Im think the
  81. math

    place decimal points in these numbers so that their sum is 519.654. 477,329,624,913
  82. Calculus grade 12

    find the coordinates of all points on the graph of f(x) = x + 2cos(x) in the interval [0, pie] at which the tangent line is horizontal.
  83. Chemistry

    Please help I have no idea how to do this. There are three different dichloroethylenes (molecular formulaC2H2Cl2), which we can designate X, Y, and Z. Compound X has no dipole moment, but compound Z does. Compounds X and Z each combine with hydrogen to
  84. math

    In the xy-plane, lines a and b intersect at point (5,-2), and lines b and c intersect at point (-3,3). What is the slope of line b? Express your answer as a common fraction
  85. geometry

    I need help with my math.. Can someone please help.. In the coordinate plane point X lies on line segment MN. The coordinates for MN are (-1,3) and (7,10). If the ratio of the length of MX to the length of XN is 2:5, what is the y-coordinate of point X?
  86. physics /astronomy

    If a system has multiple planets all in the exact same orbital plane, does the transit of one planet imply that all planets in the system must transit as well?
  87. physical science

    What difference is there between the downward velocities of the skydiver who jumped out of the helicopter (with no forward velocity) and the one who jumped out of a plane (with a forward velocity of 40 m/s)?
  88. Plane Trigonometry

    A segment of height 3 meters from the center of chord to center of arc has an arc of 1/3 radians. Find the area of the segment.
  89. physics

    A jet plane is traveling at a constant speed in a straight line in level speed. What does this tell you about the forces acting on it, what forces are acting on it .
  90. Science

    On an inclined plane, how much force will move a resistance of 30 kg? I know that 5 kg of force will move a resistance of 15 kg, but cannot see the connection between the two numbers to finish the rest of the examples.
  91. physics

    a point charge 50*10 raise to the power -6 C is located in the XY plane at the position vector r0= 2i^+3j^. what is the electric field at the point of position vector r=8i^+5j^?
  92. geometry

    draw a triangle abc with abc ab =4.5 ,angle abc=35,angle acb=65
  93. Physics

    Three point sized bodies each of mass M are fixed at three corners of light triangular frame of length L about an axis perpendicular to the plane of frame passing through CORNER of frame the moment of inertia of three bodies is Ans:2MLsquare
  94. physics

    "Charges of 2.00uc and -3.00uc are located in a coordinate plane at(2.00cm, 5.00 cm) and (3.00cm, 2.00cm) respectively. calculate the magnitude and direction of the electric field created by this pair at the origin. express your answer in both polar and
  95. science mom needs help

    a person stadning near a railroad track sees a train pass by, then notices an ariplane fly over head in the same diretion as the train, but at a much faster speed frame of reference:----------- too many years for mom is it train or plane
  96. physics

    a penny is placed at the outer edge of a disk(radius =0.150m) that rotates about its axis perpendicular to the plane of the disk at its center. the period of rotation is 1.80s. find the minimum coefficient friction necessary to allow the penny to rotate
  97. Physics

    A 225 kg box is loaded onto a truck by pulling it up an inclined plane (10 m hypotenuse difference) by a force that is parallel to the incline (T = 315 N). If the bed of the truck is 1.2 m above the ground what is the efficiency of this simple machine in
  98. physics

    If motor M exerts a force of F=(10t2+100)N on the cable, where t is in seconds, determine the velocity of the 25kg crate when t=4s . The coefficients of static and kinetic friction between the crate and the plane are μs=0.3 and 0.25 μk=0.25 . The
  99. Math

    An aero plane leaves a point on latitude 54 degree south at 10am in the morning. It flies due south at a steady speed of 800km/hr .(A)calculate it's latitude at midday. (B) at what time does it pass over the south-pole
  100. math, trigonometric functions

    a seesaw consists of a plank 4.5m long which is supported by a pivot at its center and moves in a vertical plane above the pivot. if the height of the pivot pillar above the ground is 1m, through what maximum angle can the seesaw beam move?