1. Maths

    find the points of intersection of (a) the tangents to the graph of y=2+2x-x^2 at the points where the graph meets the x-axis. (b) the normals to the graph at these points. (c) find the area of the triangle created from the two intersections and the point

    asked by John B on December 15, 2016
  2. economics

    (2 points) Suppose that the following equations describe an economy (C, I, G, T, and Y are measured in billions of dollars and r is measured in percent; for example, r = 10 means r = 10%)

    asked by kojo on August 17, 2010
  3. Vectors and matrices

    A triangle T has a vortices (3,-1),(5,-1) and (5,-4).draw and label the traingle T. M is the matrix (1 0) ( 0 -1). The triangle T is mapped on triangle T by the means of transformations M,draw and label T on your diagram. T has a vertices at (3,1),(5,1)

    asked by Vanessa on November 29, 2016
  4. Geology

    PLEASE HELP By applying the various principles, draw a cross section of an area in which the following sequences of events occurred. The relative time relationship for all events should be clear to you from your single cross section that shows what the

    asked by angel on April 14, 2011
  5. Physics

    An airplane is flying with a velocity of 248 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.5 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ?

    asked by Cetris on February 28, 2015
  6. physics

    An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.2 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ?

    asked by Mo on January 18, 2010
  7. physics

    An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.2 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ?

    asked by Mo on January 18, 2010
  8. Math

    a plane with an airspeed of 192mi/h is headed on a bearing of 121 degrees. a north wind is blowing (from north to south) at 15.9 mi/h . find the ground speed and the actual bearing of plane.

    asked by Tareena on May 24, 2008
  9. math

    a plane with an airspeed of 192mi/h is headed on a bearing of 121 degrees. a north wind is blowing (from north to south) at 15.9 mi/h . find the ground speed and the actual bearing of plane.

    asked by T on May 25, 2008
  10. Pre-Calc

    An airplane is flying at a speed of 250 mph at an altitude of 4 miles. The plane passes directly above a radar station at time t = 0. What is the distance s between the plane and the radar station after four minutes?

    asked by Sam on September 20, 2015
  11. physics

    An airplane is flying with a velocity of 248 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.8 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle?

    asked by star on February 5, 2011
  12. physics

    The engine on a 0.2kg model airplane exerts a forward force on the plane of 10N. If the plane accelerates at 2m/s2, what is the magnitude of the resistive force due to the wind acting on the airplane?

    asked by sarah on March 16, 2013
  13. las st

    An airplane is flying with a velocity of 240 m/s at an angle of 30.0o with the horizontal, as the drawing shows. When the altitude of the plane is 2.4 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ?

    asked by des on February 6, 2017
  14. physics

    An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.4 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle è?

    asked by tish on February 10, 2011
  15. Physics

    A mass of 6.10 kg rests on a smooth surface inclined 39.0o above the horizontal. It is kept from sliding down the plane by a spring attached to the wall. the spring is aligned with the plane and has a spring constant of 126 N/m. How much does the spring

    asked by Janelle on November 5, 2012
  16. physics

    An airplane is flying with a velocity of 224 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.1 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle?

    asked by james on February 8, 2010
  17. Physics

    A plane flies at 220 km/h toward the south as observed by a person on the ground. The airplane pilot measures an air velocity of 2.8 x 105 m/h south. What is the velocity of the wind that affects the plane?

    asked by Pip on October 8, 2015
  18. Physics 203

    A supersonic plane flies directly over you at 1.8 times the sound speed. You hear its sonic boom 20s later. What is the plane's altitude, assuming a constant 340 sound speed?

    asked by Mike on May 11, 2010
  19. college physics

    An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.4 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle è?

    asked by jc on February 23, 2011
  20. Geometry

    A fighter plane observes a target on the ground with an angle of depression of 21 degrees. The target is 3.5 miles away along a direct line of sight. How high is the fighter plane? Round to hundredths. Please help!

    asked by Kevin on March 25, 2014
  21. Math

    Find all values of p such that 2(x+4)(x-2p) has a minimum value of -18? I know x=-4 but I do not know that helps us. Please explain in steps! The temperature of a point (x,y) in the plane is given by the expression x^2-y^2-4x+2y. What is the temperature of

    asked by Trish Goal on October 19, 2014
  22. Math

    Use lagrange multipliers to find the point on the plane x-2y 3z-14=0 that is closet to the origin?(try and minimize the square of the distance of a point (x,y,z) to the origin subject to the constraint that is on the plane) Help me please!

    asked by Justin on December 8, 2010
  23. Physics

    A jetliner is moving at a speed of 270 m/s. The vertical component of the plane's velocity is 39.8 m/s. Determine the magnitude of the horizontal component of the plane's velocity. Can someone please solve this?

    asked by Jess on October 20, 2010
  24. Physics

    A jetliner is moving at a speed of 235 m/s. The vertical component of the plane's velocity is 34.3 m/s. Determine the magnitude of the horizontal component of the plane's velocity. _____________m/s

    asked by Dwight on September 12, 2011
  25. Math

    one plane at 520 feet is ascending at the rate of 40 ft per minute, while another plane at 3800 ft is descending at the rate of 120 ft per minute. How long will it take the 2 planes to be at the same altitude?

    asked by Anonymous on December 15, 2010
  26. math

    An Algebra I test contains 40 questions. Some of the questions are worth 4 points each, and some are worth 2 points each. The total test is worth 100 points. Let f represent the number of questions worth 4 points and t, the number of questions worth 2

    asked by Cassie on June 30, 2014
  27. Math

    a light elastic string attached to two points A and B on the same horizontal level has a wall picture of mass 1.4kg attached to its midpoint. The weight of the wall picture causes the elastic card of 40cm to a new length of 50cm. Draw a diagram to

    asked by Kayon on April 18, 2017
  28. Physics

    Draw a fully labelled graph of stopping distance on the indpending y,axis vs speed on the independent x,axis.plot the points and sketch your graph use the graph paper.speed 32km,48km,64km,80,km,96km,112km,stopping distance 12m,23m,36m,53m,74m,96m

    asked by Aphiwe on April 26, 2010
  29. Math

    In the same carnival there is a similar game of chance. The game involves a small bag containing 30 marbles where 12 are green and 8 are yellow and the rest are brown. You win 20 pesos if you are able to draw green marble and you win 10 pesos if you are

    asked by Necy on February 18, 2018
  30. algebra 2

    solve: 3+2(1-x)>6 i got -11/2 no Here is what I got: 3+2(1-x)>6 3 + 2 - 2x > 6 -2x > 1 x < -1/2 what about the 3+2? i have to graph the solution set on a number line. What about the 3+2 ???? What a strange question re this problem What level of math are

    asked by anonymous on July 27, 2007
  31. PHYSICS

    The average velocity of a plane was 600 km/h [N]. How long did it take the plane to travel 120 km? A. 0.2 min B. 5 min C. 12 min D. 5.0 h

    asked by Anonymous on July 21, 2010
  32. algebra

    plot points (0,6) and (-3,5) plot points (0,0) and (3,1) how do i graph Get some graph paper. Label the x and y axes. For (0,6), place a mark where x = 0 and y=6. Do simillarly for the other points.

    asked by Anonymous on May 13, 2007
  33. Math

    Teri scored 64 points in the first 8 basketball games she played in. She scored the same number of points in each game. How many points did she score in each game?

    asked by Amari on February 10, 2013
  34. Chemistry

    Will someone please help me? I had a question and i answered it, but i coudn't draw a picture for it. Can some help me draw a picture for it or tell me how to draw it step by step. Thank you. The nucleus is made up of protons and neutrons. Protons and

    asked by Anonymous on June 17, 2012
  35. Math Probability question

    A jar contains four marbles, each a different color: red, blue, green and yellow. If you draw two marbles from the jar, one after another, replacing the first before drawing the second, what is the probability of getting a. two red marbles b. a red marble

    asked by C.J on January 23, 2010
  36. Math

    Please answer ! Answer everything! A right rectangular prism is intersected by a horizontal plane and a vertical plane. The cross section formed by the horizontal plane and the prism is a rectangle with dimensions 8 inches and 12 inches. The cross section

    asked by Anna on December 4, 2015
  37. physics

    I'm making a graph of force vs stretch for springs. I have 7 data trials with the k (F = kx) ranging from 28 to 31, average is 29.6. Now I need to find the slope and write an equation for the graph. If I use the first two points to get the slope, I get a

    asked by Kriti on March 17, 2011
  38. Math

    1. 2(y + 1) for y = 2 (1 point) 6 5 7 8 2. start fraction lower d plus lower g over lower h end fraction for d = 29, g = 16, and h = 9 (1 point) 8 2.375 5.375 5 3. The cost in dollars of a school banquet is 74 + 12n, where n is the number of people

    asked by Grant on November 21, 2017
  39. Physics

    An airplane is heading 20degree north flying at 200km/hr relative to the air. Simultaneously the wind carries the plane 10degree, east of south at the speed of 60km/hr. (a) find the velocity of the plane relative to the ground. (b) find the component (east

    asked by Charles on March 8, 2016
  40. Physic 115

    A 5 kg block is placed on an inclined plane raised to angle theta with the horizontal when it just started to slip down. If coefficient of friction is 0.3, calculate theta and the speed of the block up the plane if it being pull up by a force of 30 newton

    asked by Yahaya on December 20, 2012
  41. Calculus (Volume of Solids)

    A solid has, as its base, the circular region in the xy-plane bounded by the graph of x^2 + y^2 = 4. Find the volume of the solid if every cross section by a plane perpendicular to the x-axis is a quarter circle with one of its radii in the base.

    asked by Casablanca on March 13, 2012
  42. Physics

    A 2 kg block is resting on a 37 degree frictionless inclined plane, attached by a string to a frictionless pulley at the top of the plane, over which a second mass of 3.3 kg hangs down. Find the magnitude of the hanging mass’s acceleration.

    asked by Catherine on April 21, 2016
  43. Algebra II

    A plane is headed due west with an air speed of 212 km/h. It it driven from its course by a wind from due north blowing at 23.6 km/h. Find ground speed of the plane and the actual direction of travel.

    asked by Arielle on November 2, 2011
  44. physics

    An airplane is flying with a velocity of 252m/s at an angle of 30 degrees with the horizontal. when the altitude of the plane is 2.7km, a flare is released from the plane. the flare hits the target on the ground. what is the angle theta?

    asked by mo on September 23, 2012
  45. PHYSICS 131 #2

    a jetliner, traveling northward,is landing with a speed of 69m/s.once the plane touches down, it has a 750m runway in which speed is reduce to 6.1m/s. compute the avgerage acceleration (magnitude and direction) of the plane during landing.

    asked by Darrie on February 4, 2010
  46. PRECALCULUS

    An airplane is flying at a speed of 250 mph at an altitude of 4 miles. The plane passes directly above a radar station at time t=0. Find the distance s between the plane and the radar station after 5 minutes.

    asked by OSCAR on May 27, 2011
  47. physics

    A partical p is projected from a point on the surface of long smooth inclined plane. Simultaneously another particle Q is released on the smooth inclined plane from the same position. P and Q collide after t=4 sec. The speed of projection of p is:

    asked by shubhi on August 20, 2014
  48. physic

    a mass of 3kg rest on horizontal plane. the plane gradually inclined until at a angel 0=20 degrees with the horizontal, the mass just begins to slide. what is the coefficent of static friction between the block and the surface?

    asked by daddy on October 29, 2015
  49. Pre-Calculus

    a jet, in calm air conditions, travel with velocity vector (389, 389). the wind velocity (in mph) at the plane's cruising altitude is given by (0, 50). how fast is the plane's true speed

    asked by Trish on February 5, 2017
  50. physics

    A jet plane lands in an airport with a speed of 125 m/s and can accelerate uniformly at a maximum rate of -9.8 m/s2 as it comes to rest. What should be the minimum length of the runway so that the jet plane can land in the airport safely?

    asked by james on January 30, 2015
  51. science - physics

    A plane flies with a velocity of 52 m/s east through a12 m/s cross wind blowing the plane south. Find the magnitude and direction (relative to due east) of the resultant velocity at which it travels.

    asked by michelle on September 28, 2011
  52. Math grade 10

    In triangle ABC with coordinate A(3,4), B(-5,2) and C(1,4) , line segment CF is the altitude of triangle ABC. Determine the equation of the line that collinear to line CF

    asked by Unknown on December 5, 2016
  53. English

    1. Draw a cartoon related to the sentence. 2. Draw a cartoon relating to the sentence. 3. Draw a cartoon and write down a sentence related to it below. 4. Draw a cartoon and write dwon a sentence related to it below. ------------------------- Are the

    asked by John on September 25, 2008
  54. UCSD

    A jetliner is moving at a speed of 230 m/s. The vertical component of the plane's velocity is 36.4 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Jenna on September 25, 2011
  55. Algebra 1

    An airplane travels for seven hours with a 60 mph tailwind on the return trip against the same wind it took the plane nine hours find the speed of the plane with no wind.

    asked by Jack on May 31, 2016
  56. Physics 1

    A jetliner is moving at a speed of 305 m/s. The vertical component of the plane's velocity is 38.9 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Anonymous on September 18, 2012
  57. Physics

    A jetliner is moving at a speed of 270 m/s. The vertical component of the plane's velocity is 39.8 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Katsu on October 20, 2010
  58. PHYSICS

    A jetliner is moving at a speed of 305 m/s. The vertical component of the plane's velocity is 47.5 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by veronica on September 15, 2010
  59. math

    A plane flies 90km on a bearing 030 degree and then flies 150km due east. How far east of the starting point is the plane?

    asked by Damilola on August 19, 2014
  60. Physics

    A jetliner is moving at a speed of 220 m/s. The vertical component of the plane's velocity is 36.0 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Hawkins on April 2, 2008
  61. Trig

    A plane flies 1.3 hr at 100mph on a bearing of N40degreesE. It then turns and flies 1.5hr at the same speed on a bearing of S50degreesE. How far is the plane from its starting point?

    asked by SK on November 28, 2010
  62. simple machines

    A box with a force of 100N is pushed up an inclined plane. It takes a force os 75N to push it to the top. What is the efficiency of the inclined plane?

    asked by laura on January 19, 2010
  63. Physics

    A jetliner is moving at a speed of 220 m/s. The vertical component of the plane's velocity is 36.0 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Will on April 1, 2008
  64. out of curiosity...

    does anyone know what is the pathway used to board an airplane? the bridge-like pathway that connects to the doors of the plane and are used to board and go off the plane? answer would be greatly appreciated..tnx :)

    asked by Darren on March 12, 2009
  65. physics

    a crate is pushed to the top of a frictionless inclined plane 15 m long with a force of 25 N. If the crate weighs 125 N, how high is the inclined plane? 0.5 m 1 m 3 m or 5 m

    asked by Sophie on February 20, 2011
  66. physics

    A block of mass m takes time t to slide down on a smooth inclined plane of angle of inclination theta and height h. If same block slids down on a rough inclined plane of same angle of inclination and some height and takes time n times of initial value then

    asked by urgent !!!!!!!!! on August 7, 2014
  67. Calc

    How do I do this related rates problem? A plane flying horizontally at an altitude of 1 mi and a speed of 510 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 6 mi away

    asked by Derick on November 10, 2009
  68. Calculus

    Someone had helped me yesterday, but I need it broken down more because I honestly don't understand any of this? A plane flying horizontally at an altitude of 2 mi and a speed of 420 mi/h passes directly over a radar station. Find the rate at which the

    asked by Callie on October 14, 2015
  69. Physics

    A block is released from rest at the top of an inclined plane. The height of the plane is 5.00 m and it makes an angle of 30.0 degrees with the horizontal . The coefficient of kinetic friction between block and surface is 0.200. What is the speed of the

    asked by Fernando on October 9, 2014
  70. algebra 2 :(

    The distribution of jamal's high school grades by percentage of course credits is A=70%; b=20%; c=10%. What is jamal's grade point average if each a is worth 4 points; each b is worth 3 points; and each c is worth 2 points?

    asked by destiny on October 6, 2009
  71. Geometry

    A lighthouse keeper in his observation tower 120 feet above the water sees a pontoon airplane and a small fishing boat. If the plane is directly above the boat, how far above sea level is the plane flying, rounded to the nearest foot? Be sure to show your

    asked by Jackie on March 28, 2014
  72. Physics

    A plane is heading due south with an airspeed of 211 mph. A wind from a direction of 53 degrees is blowing at 17 mph. Find the bearing of the plane. (Note that bearings are measured from north, clockwise.) Round results to appropriate number of significant

    asked by Michael on May 27, 2012
  73. Math-due today, need a check

    Please help me with this, below is a question I have to answer…below that is my answer…did I do, or answer this correctly? Post a response of at least 50 words to the following: Explain how to graph linear equations using the x- and y-intercepts.

    asked by Lisa on December 2, 2009
  74. Math/Algebra

    Please help me with this, below is a question I have to answer…below that is my answer…did I do, or answer this correctly? Post a response of at least 50 words to the following: Explain how to graph linear equations using the x- and y-intercepts.

    asked by L on December 2, 2009
  75. physics need help!

    I really need help on this Q, don;t know what to do with multtiple complex forces: A jet plane is flying with a constant speed along a straight line, at an angle of 27.0° above the horizontal, as Figure 4.30a indicates. The plane has weight whose

    asked by angela on December 5, 2010
  76. Math

    there is a track next to the barbecue area the track is 1/4 mile long. a group of students have a relay race. they run around the track 4 times. draw a number line to show how many miles the students can. use 0 and 1 as points on your number line. divide

    asked by May on April 25, 2017
  77. math

    in the backyard there are two trees located at grid points A(-2,3) and B(4,-6) a) The family dog is walking through the backyard so that it is at all times twice as far from A as it is from B. Find the equation of the locus of the dog. Draw a graph that

    asked by alley on April 6, 2008
  78. physics

    An airplane pilot wishes to fly due west. A wind of 82.0m/s is blowing toward the south.If the airspeed of the plane (its speed in still air) is 375.0 km/h, in which direction should the pilot head? What is the speed of the plane over the ground?

    asked by Anonymous on February 3, 2010
  79. physics

    An inclined plane rises to aheight of 2 m over adistance of 6 m. Calculate: 1.The ange of the slope 2.The VR (and so IMA) of the inclined plane. 3The theoretical force required to push an object with a mass of 200 Kg up the slope.

    asked by Yared moges on March 5, 2015
  80. Physics

    A car with its brakes locked will remain stationary on an inclined plane of dry concrete when the plane is at an angle of less than 45 degrees with the horizontal. What is the coefficients of static friction of rubber tires on dry concrete

    asked by Anon on October 23, 2012
  81. physics

    A girl ties a toy airplane to the end of a string and swings it around her head. The plane's average angular speed is 2.2 rad/s. In what time interval will the plane move through an angular displacement of 3.3 rad?

    asked by Anonymous on March 19, 2012
  82. Physics

    Consider a plane with a velocity relative to the air of 198 m/s in a westerly direction. If the wind has a speed relative to the ground of 56 m/s (in an easterly direction), how long does it take for the plane to travel from one city to another that is due

    asked by Lily on October 20, 2012
  83. physics

    a body is launched up on a rough inclined plane making an angle of 30 degrees with yhe horizontal . obtain the coefficient of friction between body and the plane if the time of ascent is half of the time of descent

    asked by Anonymous on December 2, 2011
  84. Physics

    a twin engine plane flies due south with an air speed of 335km/h. There is a wind blowing at 75km/h to the east relatve to the ground. what are the plane's speed and direction relative to the ground

    asked by Daniel on October 19, 2016
  85. Physics

    A plane can travel with a speed of 80 mi/hr with respect to the air. Determine the resultant velocity of the plane (magnitude only) if it encounters a: 10 mi/hr cross wind; 60 mi/hr cross wind; 10 mi/hr tailwind; 10 mi/hr headwind. I have no idea what

    asked by Oleg on October 4, 2015
  86. physics

    Consider a level flight turn of a propeller-driven airplane in which the airplane makes a complete circular turn in 1.6 min. If the plane's speed is 180 m/s, what is the radius of the circle? 1 m What is the centripetal acceleration of the plane? 2 m/s2

    asked by beth on December 9, 2010
  87. Physics

    Consider a plane with a velocity relative to the air of 195 m/s in a westerly direction. If the wind has a speed relative to the ground of 53 m/s (in an easterly direction), how long does it take for the plane to travel from one city to another that is due

    asked by Heather on February 3, 2016
  88. Math

    Can some please explain what I have to do to get the answer? An airplane passes directly over Seneca High School. A student at Cherokee High School, which is 4.3 miles away, finds the angle of elevation of the plane to be 19°. Find the altitude of the

    asked by Claire on July 17, 2015
  89. Trig

    A plane has a speed of 250mph and flies with a bearing of N35degE. The wind is blowing from the west at 25 mph with a heading of due east. What is the actual speed and heading of the plane? Round to one decimal place.

    asked by Nancy on April 21, 2013
  90. math

    How do I draw this out I am confused? The bridge forms parabolic arch. The span of the arch is 60 m and its center is 10 m above either end. (1) draw sketch of arch, include x and y axes where the vertex is at the origin. Is 10 m the axis of symmetry? What

    asked by Ayane on September 17, 2014
  91. math

    How do I draw this out I am confused? The bridge forms parabolic arch. The span of the arch is 60 m and its center is 10 m above either end. (1) draw sketch of arch, include x and y acts where the vertex is at the origin. Is 10 m the axis of symmetry? What

    asked by Ayane on September 17, 2014
  92. 4th grade math

    a pencil can draw a line 36 miles long, according ti research. Mickey decided to test that theory and draw his 36 miles in the shape if a square, so he would wind up back where he started. How long would each side of square be?

    asked by Katelee on February 12, 2010
  93. Geometry

    A pencil can draw a line 36 miles long, according to research. Mickey decided to test that theory and draw his 36 miles in the shape of a square, so he would wind up back where he started. How long would each side of the square be?

    asked by Mia on February 16, 2010
  94. Chemistry

    Describe the subatomic structure of the nucleus, including the structure of each nucleon. Draw a picture. Describe the forces that hold the nucleus together and draw them on your diagram. Explain how beta emission works.

    asked by Paige on May 24, 2013
  95. chemistry

    Describe the subatomic structure of the nucleus, including the structure of each nucleon. Draw a picture. Describe the forces that hold the nucleus together and draw them on your diagram. Explain how beta emission works.

    asked by holly on May 31, 2013
  96. chemist geniuses

    3. Describe the subatomic structure of the nucleus, including the structure of each nucleon. Draw a picture. Describe the forces that hold the nucleus together and draw them on your diagram. Explain how beta emission works.

    asked by holly on May 31, 2013
  97. Physics

    you slide a 325-N trunk up a 20.0 degree incline plane with a constant velocity by exerting a force of 211 N parallel to the incline plane a)what is the component of the trunk's weight parallel to the plane ? b)what is the sum of your applied force

    asked by Amanda on October 19, 2009
  98. Economics

    Upper Slobbovians smoke 10 million cigarettes per year, so do Lower Slobbovians. To discourage smoking, each country imposes an excise tax of 50 cents per pack. As a result, the price of cigarettes rises by 35 cents in upper Slobbovia, but only by 15 cents

    asked by Cristina on September 21, 2006
  99. College Math

    For questions 1-2, apply the quadratic formula to find the roots of the given function, and then graph the function. 1. f(x) = x2 + 4 (6 points) g(x) = x2 - x – 12 For questions 3-4, factor the quadratic expression completely, and find the roots of the

    asked by jennie on December 12, 2010
  100. Math

    Draw an array for 12x7 (You don;t have to draw all the boxes inside, just the shape and the dimensions.) How would you break up this array into two smaller arrays? Show your two smaller arrays an your drawing. Then fill in the equation and solve the

    asked by Kenneth on January 29, 2010