1. another speed

    At 10:00 AM Two planes leave an airport. If the northbound plane flies 280 mph and the sound bound at 320 mph, at what time will they be 1000 miles apart? I need help with explanations the questions keep changing :(

    asked by Rells on January 16, 2015
  2. physics

    A parachustist jumps from an airplane and freely falls y=51.8 m before opening his parachute. Thereafter, he decelerates at a=1.86 m/s^2. As he reaches the ground, his speed is 3.04 m/s. a)How long was the parachutist in the air? b)At what height did the

    asked by Anonymous on September 19, 2009
  3. Physics

    A 7200 lb airplane lands on an aircraft carrier with a speed of 72 ft/s. The plane is caught by an elastic band (k=998 lb/ft) that has an initial stretch of 5.6 feet. What is the maximum distance the band is stretched?

    asked by sandhu on November 28, 2010
  4. 6th Grade Math

    If a plane is going on a 500 mile trip, how many minutes will it take to get there for a speed of 400, 300, 200, and 100 mph? For 500 it wil obviously take 1 hour, but my brain is dead today and I can't figure out the other four.

    asked by Mika on December 1, 2009
  5. Math

    A nonstop flight from Albuquerque New Mexico to Atlanta Georgia takes three hours if the plane flies a total of 1269 miles what is the planes unit rate in miles per hour

    asked by Anna on January 8, 2019
  6. physics

    PLEASE HELP !!!!!!Find the acceleration reached by each of the two objects shown in figure below if the coefficient of kinetic friction between the 7.00 kg object and the plane is 0.250. img411.imageshack.us/img411/5841/p449.gif I keep getting 3.9=a

    asked by bill on September 13, 2010
  7. science

    The pilot of an airplane traveling 180km/h wants to drop supplies to flood victims isolated on a patch of land 160m below. The supplies should be dropped how many seconds before the plane is directly overhead?

    asked by Kayla on August 22, 2013
  8. Physics

    The pilot of an airplane traveling 160 km/h wants to drop supplies to flood victims isolated on a patch of land 160m below. The supplies should be dropped how many seconds before the plane is directly overhead?

    asked by Lilly on January 17, 2016
  9. physics

    A circular coil of 30 turns and radius 7 cm is placed with its plane oriented at 90 degrees to a magnetic field of 0.1 T. the fieldis now increased at a steady rate, reaching a value of 0.7 T after 5 seconds. when emf is induced in the coil

    asked by edward on November 24, 2010
  10. THEORY OF MACHINE

    A steel bar 10 m long and 10 cm * 2.5 cm in section. It is subjected to axial pull of 250 KN. Determine the intensities of normal and tangential stresses on a plane section at 60 degree to the longitudinal axis.

    asked by rajesh jain on January 12, 2013
  11. physics

    You are piloting a small plane, and you want to reach an airport 450 km due south in 2.0 hours. A wind is blowing from the west at 75 km/h.What heading and airspeed should you choose to reach your destination in time?

    asked by alivia on October 8, 2010
  12. physics

    A 15kg model plane flies horizontally at a constant speed of 12.5 m/s and the kinetic energy is 1171J and the potential energy is 3000J what is the new horizontal velocity? Please show work and explain.

    asked by Kim on January 17, 2011
  13. Physics

    When a force of 500 N pushes on a 25-kg box, the acceleration of the box up the incline is 0.75 m/s^2. If the inclined plane makes an angle of 40 degrees relative to the horizontal level, what is the coefficient of kinetic friction?

    asked by ylopez on July 4, 2016
  14. physics

    A stunt flier is moving at 15m/s parallel to the flat ground 100m below,how large must the distance x from plane to target be if a sack of flour released from the place is to strike the target?

    asked by Ruth on October 8, 2017
  15. physics - HELP

    A parachustist jumps from an airplane and freely falls y=51.8 m before opening his parachute. Thereafter, he decelerates at a=1.86 m/s^2. As he reaches the ground, his speed is 3.04 m/s. a)How long was the parachutist in the air? b)At what height did the

    asked by Anonymous on September 19, 2009
  16. Physics

    A gyroscope with rotational inertia 6.4 10-3 kg·m2 is precessing in a horizontal plane at 0.46 rad/s under the influence of a 0.31 N·m torque caused by a force pointing vertically downward. How fast is the gyroscope spinning on its axis?

    asked by Jake on November 9, 2012
  17. physics

    The pilot of an airplane traveling 240 km/h wants to drop supplies to flood victims isolated on a patch of land 160 m below. The supplies should be dropped how many seconds before the plane is directly overhead?

    asked by Sarah on September 21, 2010
  18. Science

    A block of metal weighing 2kg is resting on a frictionless plane. It is struck by a jet releasing water at the rate of 1kg/s and at a speed of 5m/s. Find the initial acceleration of the block.

    asked by Kushagra on February 10, 2012
  19. physics

    You are piloting a small plane, and you want to reach an airport 450 km due south in 3.0 hours. A wind is blowing from the west at 80 km/h. What heading and airspeed should you choose to reach your destination in time?

    asked by Lucy on October 12, 2010
  20. college physics

    Which of the following statements about special relativity is false? a).The proper length of an object is always larger than the length of the object in a frame where it is moving. b).The proper length of an object depends on the relative speed between the

    asked by Lexi on October 4, 2010
  21. Physics HELP!!!!!!!!

    For the normal force in Figure 5.21 to have the same magnitude at all points on the vertical track, the stunt driver must adjust the speed to be different at different points. Suppose, for example, that the track has a radius of 3.1 m and that the driver

    asked by Mary on February 21, 2007
  22. math

    find all points on the hyperbola y=1/x, that are closest to the origin on (1/2,2)

    asked by help on November 27, 2010
  23. 9th garde math

    Write an equation for the line with points (4,5) and (6,9). Please explain.

    asked by Alex on December 5, 2012
  24. Algebra

    At what two points do the graphs of y=2x^2-5x-12 and y=1/2x^2-3x+4 intersect? explain your reasoning.

    asked by Frank on November 17, 2010
  25. math

    Find the centre of the circle that passes through the points p(-9,5), q(1,5), and r(-2,-2)

    asked by sally on January 3, 2014
  26. math

    Perform the addition on the 12-hour clock. 5 + 11 (Points : 1)

    asked by kim on June 24, 2010
  27. math

    find the slope of the line containing the pair of points. (-5,-10) and (-4,-3)

    asked by Ernie on October 31, 2014
  28. math

    Given the following set, select the statement below that is true. V = {a, e, i, o, u} (Points : 2) v ∈ V a ∈ V y ∈ V o ∉ V V Ø

    asked by nette on April 6, 2011
  29. Algebra

    Look at the following points. (4,0), (3,-1),(6,3),(2,-4) Which are solutions to y=x-4? Choose all correct answers.

    asked by HelpMeWithMath on October 21, 2015
  30. math

    If f(x)=sinxcosx, what are the critical points? on the interval (o, 2pi)

    asked by thomas richards on November 22, 2010
  31. Math-PLEASE HELP ASAP

    how do I find the two sets of points for the following algbrea equation? y=-3x+2

    asked by Michelle on June 27, 2010
  32. algebra

    i need help finding the slope of the line passing through the points (-1,7) and (3,3).

    asked by jaysgyrl on August 30, 2007
  33. Math

    Determine the slope of the line that passes through the points E(–1, 9) and F(2, –3).

    asked by clary on May 27, 2012
  34. calculus

    Plot the points and determine the slope of the line containing them. (-7,-4)(8,-4)

    asked by Heather on December 4, 2012
  35. math

    Determine m given that m>0 and the points (m,3) and (1,m) lie on a line with slope m.

    asked by Ryan! on February 28, 2010
  36. Algebra

    Solve for r (1,r) (3,-5) are two points on a line with slope -4. Find r r = -5 - r/ 3-1 r= 3

    asked by need help on January 5, 2016
  37. Math

    Determine the slope of the line that passes through the points E(-1, 9) and F(2, -3)

    asked by TIna on May 23, 2012
  38. Math

    I need 3 ordered pairs of points that would be solutions to this equation. Can anyone help please, thanks! 4x - y = 7

    asked by Robert on February 19, 2009
  39. Algebra

    Find all points on the x-axis that are 10 units from the point (4,-5).

    asked by Anne-Marie on October 6, 2016
  40. geometry

    what is the equation of the locus points equidistant from the lines y=1 and x=2

    asked by khalia on December 11, 2011
  41. algebra

    Help!!! I need help finding the slope of the line passing through the points (-3,3) and (-3,-3).

    asked by kate on September 19, 2007
  42. Please Help:D

    Given a square, what is the locus of points equidistant from the sides?

    asked by My Name Is Bob on May 12, 2012
  43. Algebra 2

    Give three points that lie on line 3x+2y=6. I think the answers might be: (0,-6)(3,-6) and (5,-6). Could anyone help?

    asked by Danielle on September 22, 2007
  44. math

    determine the quadratic function whose graph contains the points(-2,-1), (-1,0), and (-3,0).

    asked by adrian on September 23, 2007
  45. math

    Let S be the locus of all points (x, y) in the first quadrant such that (x/t)+(y/(1− t))= 1 for some t with 0

    asked by Dip on October 6, 2016
  46. Math

    find the points on x^2+y^2=11 where the tangent line has slope 11/60

    asked by JAYZ on February 4, 2014
  47. algebra

    Find the slope of the line through the following pairs of points (-5,4)and (2,4)

    asked by pat on September 30, 2007
  48. Geometry

    I need points for making a 13ft.x 18ft eliptical

    asked by Steve on March 23, 2011
  49. math

    Find the slope of the line passing through the points (-9,12) and (14,-34).

    asked by Anonymous on January 25, 2009
  50. english

    Will you please give some points on adventure? I need to make a speech.

    asked by sadie on October 17, 2014
  51. MATH

    HOW MANY DIFFERENT WAYS COULD THE FOOTBALL TEAM SCORE 11 POINTS

    asked by lISA on December 2, 2010
  52. Calc

    Locate any relative extrema and inflection points. y = (ln x)/x

    asked by Erica on December 2, 2010
  53. Algebra

    Find all of the points of the form (x, −1) which are 4 units from the point (3,2)

    asked by Andy on August 22, 2017
  54. Math help

    Find the equation of the line containing the following pair of points (-1,-7)(-4,-9)

    asked by tera on February 4, 2009
  55. Calculus 1

    Find all the points on the ellipse 3x^2-xy+y^2=64 that lie on the line y=3x

    asked by JAYZ on January 25, 2014
  56. math

    find the distance between points P(7,4) and Q(1,2)to the nearest tenth

    asked by ariel on December 7, 2011
  57. Algebra

    I need 3 ordered pairs of points that would be solutions to this equation. Can anyone help please, thanks! 4x - y = 7

    asked by Tia on February 18, 2009
  58. Algebra

    Could someone help me with finding an equation of the line containing the given pair of points (3,2) and (9,7)

    asked by Pam on January 26, 2014
  59. Algebra

    Find an equation of the line that contains the following pair of points. (-2,-3) and (-6,-9)

    asked by Pam on January 26, 2014
  60. Algebra 1

    Find the slope of the line passing through the points (–2, 6) and (6,-10).

    asked by Cynthia on September 6, 2007
  61. Geometry

    If in Line AB you have points K and L,no distances are given- Which statement is true? AK

    asked by Alex on September 6, 2007
  62. Math

    What's an equation containing the given pair of points. Express in the form of x=a, y=b, or y=mx+b. (-5,-5) and (3,3)

    asked by Pam on January 26, 2014
  63. MATH

    how do you put the points (-3,8) and (5,-7) into an equation in standard form?

    asked by MIC on December 8, 2011
  64. Algebra

    Find the value of x so that the line passes through the points (2,3) and (x,9) and has a slope of 3/2.

    asked by Kimmy on January 1, 2016
  65. Calculus-derivatives

    At what points on the graph of f(x)=6x^2+4x-9 is the slope of the tangent line -2?

    asked by Angel on February 8, 2017
  66. maths-circles

    can we create a unique circle with two co-linear points

    asked by anoynomous on March 10, 2013
  67. Calculus please help

    Determine the points of inflection of the function. f(x) = x + sin x (−2π ≤ x ≤ 2π)

    asked by Anonymous on March 25, 2011
  68. geometry

    Rewrite the postulate in if-then form. "A line contains at least two points."

    asked by alan on October 2, 2007
  69. math

    find the slope of the linethat passes through the given points (4,6) and (4,4)

    asked by ann on December 19, 2013
  70. math

    cFind the slope of the line passing through the points −3, -8 and 4,6 .

    asked by Mirela on May 10, 2018
  71. Maths

    Plot the three points with first coordinate equal to (-2,8) and join them

    asked by Paul on April 6, 2018
  72. Math

    What is an equation of the line that passes through the points (3,-3) and (-3,-3)? how do you figure this out: a. y=3 b. x=-3 c. y=-3 d. x=y

    asked by Angie on May 16, 2009
  73. Math

    Find the slope of the line that goes through the following points. X -1, 0,1,2 Y -4,-1,2,5 A. -5 B. -3 C. -1\3 D. 3 Is the answer A? Thank you

    asked by Sabrina C. on April 21, 2015
  74. MATH

    find the equation of the line that passes through the points (0,3) and (-3,7).

    asked by Amanda on May 11, 2009
  75. Nursing

    If I have a 69 in the class and I got a 33 out of 50 on the test and she giving 20 points what would be my grade?

    asked by Shanice on April 26, 2016
  76. Algebra 1

    What equation represents the line that passes through the points (6,-3)and (-4,-9)?

    asked by Steve on December 4, 2014
  77. Calculus

    Find the critical points of f(x) = 0.05x + 25 + (180/x)

    asked by Jess on November 10, 2013
  78. geometry

    Given the following sets, select the statement below that is NOT true. A = {b, l, a, z, e, r}, B = {b, a, l, e}, C = {a, b, l, e}, D = {l, a, b}, E = {a, b, l} (Points : 2) E ⊂ C C ⊆ B D ⊆ C B ⊆ C C ⊆ D

    asked by lori on June 27, 2011
  79. Informal logic

    A conditional sentence with a false antecedent is always (Points : 1)

    asked by Anonymous on November 10, 2013
  80. lee

    Find the slope of the line that goes through the pair of points: (2, 5), (6, 10).

    asked by tee on February 14, 2010
  81. Calculus

    P(x) = 12x / (1-x) What are the critical points and where is P(x) increasing and decreasing?

    asked by Jess on November 10, 2013
  82. Algebra

    Part A: Solve –mk – 90 > 85 for m. Show your work. (4 points) Part B: Solve 3c – 5f = 55 for f. Show your work. (6 points)

    asked by mike on October 31, 2018
  83. ant 101

    Before colonialism, most colonized people lived in: (Points : 1)

    asked by Anonymous on November 24, 2012
  84. math - Ms. Sue

    What is the slope of the line that passes through the pair of points? (-5/3, -1)and (-2, 9/2) A.2/33 B.-2/33 C.-33/2 D.33/2 I think it is D?

    asked by Deborah on November 23, 2012
  85. math-algebra please help!

    Please me find the points to graph for the follow equations. x+3y0

    asked by Michelle on July 22, 2010
  86. Algebra 1a

    -3x-7y

    asked by Kim on January 8, 2015
  87. Physics, Help me please,

    What is the potential difference between Points A and B? E=100N/C AB=.2M degrees of 30

    asked by Doris on April 24, 2013
  88. math

    find the points of intersection of the following pairs of equations. a. y=x^2 and y=x +2 b. y=x^2 and y=8-x^2 c. y=x^2 and x=y^2

    asked by sarah on April 23, 2013
  89. Precal/Math

    How do i find the equation in the form: y=a(sqrt b(x-h))+k From the points (-5,3) (-4,-1) (-1,-5)

    asked by Bobbie on April 5, 2016
  90. math

    Find the equation of the line passing through the two points. (-1, -7) and (-1, -6)

    asked by RB on February 1, 2010
  91. algebra

    Find the equation of the line containing the given pair of points: (2,3) (6,5)

    asked by bere on July 25, 2009
  92. Finite Math

    Find the slope of a line through the points (11,-2) and the origin.

    asked by Mike on July 23, 2009
  93. algebra

    determine the slpoes of the lines padding through these points (3,-1) and (-7,-1)

    asked by jared on July 14, 2009
  94. Math

    What is the slope of the line that passes through the pair of points? (-2,7),(18,1) a. -10/3 b. -3/10 c. -4/9 d. -9/4

    asked by Kaai97 on January 25, 2016
  95. Algebra

    Find the value of y if the points (-7,y) and (4,-3) are √130 units apart A. -1 or -9 B. 2 or -9 C. 2 or -3 D. 0 or -6 Thank you in advance =)

    asked by not telling.. ! :D on April 21, 2011
  96. ALG 2!!!

    Write an equation of a line that passes through the points (2,3) and (2,-6).

    asked by tyneisha on November 22, 2012
  97. Math

    Find the slope of the line passing through the points (0, -4) and (-6, 7)

    asked by Corndogboy on August 26, 2012
  98. Math Stem and leaf plots

    Stem Leaf 2 9 3 6 6 7 8 9 4 4 5 5 7 9 5 1 4 9 6 1 3 5 Between what numbers are most of the points earned? 6

    asked by Jerald on April 4, 2013
  99. math

    Find the slope of the line passing through the points. 1. (5,7), (-2,-3) 2. (6,3), (4,7) ..thanks

    asked by xxx on May 3, 2009
  100. geometry

    Derive the distance formula (d) shown below for points A = (x1, y1, z1) and D = (x2, y2, z2). 2 2 1 2 2 1 2 d = (x2 − x1) + (y − y ) + (z

    asked by denise on April 1, 2013