You and your friend are sledding on two sides of a triangle-shaped hill. On your side, the hill slopes up at 30.0° from the horizontal; on your friend's side, it slopes down at the same angle. You do not want

80,744 results, page 62

  1. math calculus

    For the function: f(x)= 2+x-x^2/ (x-1)^2 ; f'(x)= x-5/(x-1)^3 ; f''(x)=2x-14/(x-1)^4 a)find vertical and horizontal asymptotes. Examine vertical asymptote on either side of discontinuity. b)find any local extrema c)find points of inflection
  2. Physics

    You are watching your friend play hockey. In the course of the game, he strikes the puck in such a way that, when it is at its highest point, it just clears the surrounding 2.96 m high Plexiglas wall that is 14.5 m away. (Ignore any effects due to air resistance.) (a) Find the...
  3. Geometry

    You are building a ramp that will in the shape of a perfect right-angled triangle. the vertical height of the ramp will be 10 feet. The horizonatal base of the ramp will be 15 feet. What will be the length of the downward sloping side of the ramp? I calculated 18 feet? Is that...
  4. Geometry

    The ratio of the side lengths of a quadrilateral is 2:4:5:7 and its perimeter is 36 meters. Determine the length of each side. x =       a =       b =       c =    &#...
  5. Physics

    A rock is projected from the edge of the top of a building with an initial velocity of 19.6 m/s at an angle of 31 degrees above the horizontal. The rock strikes the ground a horizontal distance of 77 m from the base of the building. The acceleration of gravity is 9.8 m/s^2.(...
  6. Pre-Calculus

    An open box is to be made from a piece of cardboard 11 in by 17 in, by cutting out a square of length x from each corner and turning up the sides. Express the volume V of the box as a function of the length x of the side of the square cur from each corner.
  7. Physics. Pleaseee helpppp

    Four electrons are located at the corners of a square 10.0nm on a side, with an alpha particle at its midpoint. How much work is needed to move the alpha particle to the midpoint of one of the sides of the square?
  8. Physics

    A rolling barrel with initial velocity 20 m/s encounters a hill 10m tall to slow it down 1. state where its angular speed is 0 2. state where its rotational kinetic energy will be 0 3. state where its translation kinetic energy will be 0 4. for each of the two flat surfaces ...
  9. history

    Identify and define the two other items (in addition to supply-side economics) that were a part of Reagan’s economic agenda.
  10. Geometry

    #19. Given a regular octagon, find the measures of the angles formed by (a) two consecutive radii and (b) a radius and a side of the polygon.
  11. Accounting

    how can you determine what side is a debit and what side is a credit A debit is an expense that is paid. A credit is income. The following rules are applied to decide debit or credit side. 1.Debit what comes in and credit what goes out 2.Debit the receiver and credit the giver...
  12. Calculus

    Find the rectangle of largest area that can be inscribed in a semicircle of radius R, assuming that one side of the rectangle lies on the diameter of the semicircle. NOTE: Let L denote the length of the side that lies on the diameter and H denote the height of the rectangle. ...
  13. physics

    Two point charges are placed at two of the corners of a triangle (Take q1 = -10.2 µC, and q2 = 16.3 µC.) Find the magnitude and the direction of the electric field at the third corner of the triangle.
  14. algebra

    During rush hour, Bill can drive 60 miles using the side roads in the same time that it takes to travel 30 miles on the freeway. If Bill's rate on the side roads is 7 mi/h faster than his rate on the freeway, find his rate on the side roads. let bill drive 30 mile (1/2 time ...
  15. math

    The side length of a rectangular box with a square base is increasing at the rate of 2 ft/sec, while the height is decreasing at the rate of 2 ft/sec. At what rate is the volume of the box changing when the side length is 10 ft and the height is 12 ft? Remember to use the ...
  16. math

    what would be the differentiation of 2^3^x^2? so that is 2 to the 3 to the x to the 2... each is an exponent of one other... the answer i got is 2^3^x^2 * ln 2 * 3^x^2 * x^2 * 2x is that right? my friend had the same, except she did not have x^2 in it. please correct!!
  17. Math

    Suppose F more friends join the business.If the group sells 20t-shirts and divides the profit equally, how much will each friend receive?
  18. Romeo and Juliet

    The extract states that “……….all comers were made welcome if they were not of the Montague” Why was this the case? In which city did these people live? Why did Benvolio want his friend to attend this supper?
  19. MaTH

    Danielle bought a gift for a friend that originally cost $32. She used a coupon to get $5 off. what percent did she save? I tried working 32-5=27, 32divided by 27 = 1.185 ???
  20. math

    how many rectangles are there on a chess board? i've tried twice and got 168 is this right? my friend said i'm way short. any help would be much appreciated. thank you
  21. English

    Why do these phrases contain a pronoun case? "Each of the applicants must submit their completed forms to the interviewer." and "My best friend and I are going to Hawaii this summer."
  22. english

    Is it ethical telling an associate and close friend that she should pay more attention to her work responsibilities, or management will fire her please explain why?
  23. socials

    I helping friend. He need to find solutions to this problem: h t t p : // w w w . straitstimes . c o m /BreakingNews/Singapore/Story/STIStory_749786 . h t m l I not know how to help him, the boy seem to be wrong in this case.
  24. to ms.sue

    today i was trying to call my friend to read me her notes to copy down since i was at violin class. she gave me the wrong number. what does that mean?
  25. english

    In a fit of anger after an argument, I __________ out all of my friend's letters and pictures. a) through b) threw c) thru d) have thrown
  26. 7th grade math

    The question is simplify -9=1(36divided by 2 x3-4) I did -9+1(18x3-4) _9+1(54-4) -9=1(50) -9+50 41 Is this correct I did this with a friend and we both got different answers. Maybe I di the wrong order of operation?
  27. english

    When you had a car accident last month,a friend offered to help while you were recovering at home.write informal letter and thank her for her kindness!please its urgent
  28. english

    When you had a car accident last month,a friend offered to help while you were recovering at home.write informal letter and thank her for her kindness!please its urgent
  29. math

    Zarah has a dozen ball pens which cost $10 each. She and her best friend sell them at $15. After selling all of the, she divided the profit with her bestfriend. How much will each get?
  30. physics

    you are standing on one side of the river. Figure out the width of the river. All calculations have to be made on the side you are standing on. You cant step into the river or cross it. You may use the 2 laws ( sine and cos ). no guessing allowed. has to be accurate. The ...
  31. Algebra

    Rose wants to plant a garden. She made an outline in her yard of a regular octagon with each side 8 feet long. Rose also divided the garden into sections as shown. In each triangle and square, she planted flowers. In three of the rectangles, she planted vegetables. a.What can ...
  32. easy Math

    A soccer ball is kicked upward from a hill and then falls to the ground. The height, in feet, of the ball after t sec is modeled by the function h(t) = –16t2 + 26t +12. What is the initial height of the ball? –16 ft –12 ft 12 ft 22 ft
  33. Math

    Find the ratio and simply. Triangle find the shortest side to the longest 22.2, 9.6, 20 The simplified ratio is Type ratio as a simplified fraction
  34. basic geometric

    a would like to get someone too help me with these math problem. Two angles of a triangle are 40 degrees and 62 degrees; what is the third angle's measur? answered below. Interior angles of a triangle is equal to 180 degrees. A triangle only has 3 angles. You have two of them ...
  35. Math

    An equilateral triangle is one in with all three sides are length. If two vertices of an equilateral trangle (0,4) and (0,0), find the third vertex. How mant of these triangles are possible? How would you slove this??
  36. Calc HELP!

    an equilateral triangle is one in with all three sides are length. If two vertices of an equilateral trangle (0,4) and (0,0), find the third vertex. How mant of these triangles are possible? How would you sove this???
  37. Math

    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 side of the runway are, and , respectively. The points and the tower are in the same vertical plane and the distance from A to B is 1...
  38. Algebra

    a rectangular garden is located adjacent to a house the family needs to fence in the garden the family wants three side because one side is up against the house the length is 5 meters longer than the width and the area of the garden is 204 square meters how much fence is needed
  39. Statictics

    In testing a new drug, researchers found that 20% of all patients using it would have a mild side effect. A random sample of 25 patients using the drug is selected. Find the mean and standard deviation of patients having a mild side effect.
  40. english

    Getting done a plastic surgery will contain side effects leading quite severe pains such as: back pain, bruises and so on. This is so serious that you may have to wear head bandages after a surgery. Getting done a plastic surgery will contain side effects is not correct
  41. The cay is the book

    Which of the following passages from the text best illustrates Phillip’s determination? A.Wondering what had caused the birds to attack me, I felt around in the sand. B.I realized then why he had used our rope sparingly; why he had made my guideline down to east beach from ...
  42. Math

    A crate with no lid is shaped like a cube with sides that are 0.8 m long. What is the surface area of the crate?
  43. Physics

    Analyzing Roller Coaster Performance Using Conservation of Mechanical Energy At the beginning of a roller coaster ride, the car is lifted to the top of a large hill and released. The speed of the car at the top of the hill is small, so we will assume it to be zero. The car ...
  44. math

    1. five friends are standing in a lone of 7th graders to pick up their class schedules. Laura is the 20th person behind Rayma. Rayma is the 50th person ahead of Deanna. Deanna is the 10th person behind Charlotte. Shelly is the 30th person ahead of Laura. Charlotte is the 50th ...
  45. math

    if the sides of a square are increased by 5 cm the area of the new square is four times the area of the original square. Find the length of a side of the original square.
  46. math

    zoe has 5 apples she gives 2 to her friend dan how many apples does she have left
  47. Pre-algebra

    How would I explain to my friend why the quotient of x^8 and x^2 is x^6 and not x^4. She is questioning the rule. How do I explain?
  48. Physics

    If you can see the face of a friend who is underwater, can she also see you? Please explain. Thanks :)
  49. Math

    You have 27 stickers to share among 4 friends how many stickers dose each friend get
  50. math

    Sally has 5 hershey bars she has to share the bars with 7 friends how much will each friend get?
  51. Math

    Lucia is hoping that Angela will buy her a geometrically interesting piece of land on which he will build a mansion. Lucia has said that she will only buy the land if it costs less than $4.00 per square foot. The plot shown below is listed for $453,175. Is Angela going to be ...
  52. math

    A rectangle has sides of 3x – 4 and 7x + 10. Find the expression that represents its perimeter. 3x-4+7x+10= 3x+7x=10x −4+10= 14 10x+14 that is my answer please help You just added two sides, a rectangle has four sides. So the perimeter should be twice what you ...
  53. Math

    Maya's school held an aluminum collection program in which they collected aluminum and brought it to be recycled. In the first week, Maya collected 4/20 lb of aluminum and her friend Abigail collected 7/8 lb. a. which girl collected more aluminum? b. how much aluminum did the ...
  54. Pre-Algebra

    Please let me know if I figured these out correctly. Directions: For the line with the given equation, find the slope of a parallel line and the slope of a perpendicular line. 1)y=6/5x + 144 slope of parallel: 6/5 slope of perpendicular: -5/6 2)4y-4x=16 slope of parallel: 1 ...
  55. geometry

    The sides of a parallelogram are 25 cms and 15 cms.The height to the 25 cms side is 15 cms.What is the speciality of this parallelogram ?
  56. Geometry need help pls

    A. A parallelogram has a 7-inch side and a 9-inch side, and the longer diagonal is 14 inches long. Find the length of the other diagonal. Do you need your calculator to do it? B. (Continuation) Evaluate 72 + 92 + 72 + 92 − 142 − d2, where d is the length of the ...
  57. math

    The height of a square-based box is 4 cm more than the side length of its square base. If the volume of the box is 225 cm3. What are its dimensions? So this is what I did: v = l x w x h v = 1x x 1x x (x+4) v = 2x^2 + 8x 225 = 2x^2 + 8x 2x^2 + 8x - 225 = 0 Then I did the ...
  58. Math

    If a and B are two angles in Quadrant 2 such that tan a=-1/2 and tan B= -2/3, find cos(a+b)? tan(a) = -1/2 oppsite side = 1: adjacentside = 2 hypotenuse = sqrt(1+4) = sqrt(5) sin(a) = 1/ã5 cos(a) = -2/ã5 tan(b) = -2/3 opposite side = 2 and adjacentside = 3 hypotenuse = ...
  59. Math

    Tobias is helping his uncle paint the side of a barn. Each can of paint covers 80 square feet. If the side of the barn is 10 feet high and 15 feet wide, how many cans of paint will Tobias need?
  60. math

    The area of a square garden is represented by the quadratic expression 9x^2 - 12x + 4. The length of one side of the square garden is 91 inches. What is the value of x ? Hint: Since the garden is in the shape of a square, the expression 9x^2 - 12x + 4 is the product of two ...
  61. adult education

    do i use is / are invited? You and a friend or 2 is invited to my Garage Sale.
  62. grammar

    is this grammar correct? jacob my best friend belives that he is as smart as i am
  63. English

    I have an e-pal. (In this sentence, what does 'e' refer to? 'Pal' means 'friend.')
  64. MATH

    cHIANG HAD 12 APPLES. SHE GAVE 5 OF HER FRIENDS 1/6 OF THE APPLES. HOW MANY DID EACH FRIEND GET.
  65. French

    A letter in French telling a friend about your birthday celebration
  66. french

    Write a letter to your friend inviting him/her for your birthday party in french
  67. Math

    I'm doing a vector problem which involves two forces with an angle of 30 degrees between them acting on an object. I think that I should draw my vector diagram with the vectors coming out of the object while my friend thinks that the vectors should point into the object. Which...
  68. grammar

    correct the grammar of the following text: Jason Turner thought he did the right thing when he had seen a man get into a car and drive off much too fast. A year earlier, another dangerous drive was injuring a friend of his, when he was knocking him off his motorbike. So Mr. ...
  69. English

    Writeacher, I really need your help to rephrase just this part. Thank you very much in advance! 1) Mr. Gradgrind turns his attention to (picks on?) Bitzer, "perhaps because he chanced to sit in the same ray of sunlight which, darting in at one of the bare windows of the ...
  70. English2000

    1- Who Killed Lord Randall? a. His girlfriend b. A rival for his girlfriend's love c. His girl friend's Father d.the killer's identity is not known i chose d 2- The intruders into the couple's house are two a. kings b.members of the gentry, or landowning class c.escaped ...
  71. trigonometry

    from a window 30 feet above the street, the angle of depression of the curb on the near side of the street is 50 degree that of the curb on the far side is 13 degree. how wide is the street from curb to curb? Oblique triangles by using right triangles
  72. math

    what is the area of a figure with two sides that is 2ft and two sides that is 3/4 ft
  73. Right triangle

    Determine whether this is a right triangle vertices: G(1, -1) H(5, 0) and J(3, 8) Should I use distance formula to find the sides and use Pythagorean theorem to prove it? Or is there another method? Thanks.
  74. math Question

    classify the triangle by its angles and its sides. Explain how you knew which classifications to use. top of the triangle is 70 degrees, bottom right is 45 degrees and bottom left is 65.
  75. geometry

    The lengths of three sides of a triangle are given. Describe each triangle as acute. right. or obtuse. square root 5, 3, square root 14.
  76. Bn

    (a) A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 29.0° with the horizontal. A piece of luggage having mass 30.0 kg is placed ...
  77. FACTORING HELP ASAP

    i don't know how this works.. but im helping my friend with some factoring and i have a few questions
  78. Math

    I say that - |-15|-| 41|= -56; my best friend say that -| -15|- |41|= -26. Which one of us is correct? This answer depends on a dinner. Thanks.
  79. English

    What is the difference between 'female friend' and 'girlfriend'? Does 'girlfriend' have any negative connotation?
  80. health

    if a medical assistant knows that a patient's boy friend has Hiv and the patient does not know what should she do with the information
  81. English

    Tanya trusts others beside her best friend. Do I need an "s" after beside?
  82. math

    Joe and his 7 friends share 3 liters of juice how much juice each friend gets
  83. Algebra

    There is 1/3 of a cake shared equally among 4 friends . What fraction of a pound of cake will each friend get?
  84. math

    ruth bought 18 pieces of candy. he gave 1/6 of apples to each of his 5 friends how many apples did each friend get
  85. physics

    A motorcycle has a constant speed of 24.4 m/s as it passes over the top of a hill whose radius of curvature is 135 m. The mass of the motorcycle and driver is 364 kg. Find the magnitude of (a) the centripetal force and (b) the normal force that acts on the cycle.
  86. physics

    A motorcycle has a constant speed of 20.8 m/s as it passes over the top of a hill whose radius of curvature is 159 m. The mass of the motorcycle and driver is 387 kg. Find the magnitude of (a) the centripetal force and (b) the normal force that acts on the cycle.
  87. physics

    A motorcycle has a constant speed of 21.6 m/s as it passes over the top of a hill whose radius of curvature is 100 m. The mass of the motorcycle and driver is 392 kg. Find the magnitude of (a) the centripetal force and (b) the normal force that acts on the cycle.
  88. ethics and moraling reasoning

    Hill refers to the ability to understand oneself, to face oneself, and to be honest about the kind of creature one is by this term: (Points : 1) Self-love Humility Self-acceptance Relational harmony
  89. Science Physics

    A rope exerts a 274N force on an 80kg skier up along a hill inclined 12 degrees. A frictional force of 100N opposed the motion. If the skier starts from rest, what is her speed after travelling 100m?
  90. Pre-Calculus

    How can this identity be proved/verified? cscx-sinx=1/(secxtanx) I have tried starting on both sides of the equation to get to the other. By starting on one side of the equation and manipulating it to make it look like the other side, the identity will be proved. However, this...
  91. Math

    Which congruence statement says the same thing as triangle ABC is congruent to triangle DEF? (1 point) triangle ABC is congruent to triangle EFD triangle ACB is congruent to triangle DEF triangle ACB is congruent to triangle DFE•• triangle BCA is congruent to triangle FDE ...
  92. math

    A triangle has sides of lengths 48 feet, 55 feet, and 74 feet. Which statement is true concerning this triangle?
  93. Algebra

    Jim is installing ceramic tile behind his kitchen sink. Each tile is a square with side length 4 1/4 inches. For each tile, he allows an additional 1/8 inch per side for the grout between tiles. How many tiles should he buy if the space measures 2.1 square feet? What is the ...
  94. 5th grade math

    Julian wants to put a border around two sides of his rectangular shaped garden. he has a 12 foot piece of lumber that will be cut into 1/3 foot pieces. how many 1/3 foot pieces can Julian cut from the lumber? 12 divided by 1/3
  95. physics

    A square room has 3 mirrored walls of length L with one side missing. A laser is fired from the center of the open side of the room with an angle of incidence, I, toward the wall on the right. If the reflected beam is to hit a target on the back wall .80 of L from the right ...
  96. Science

    A spherical rock rests at the top of a steep hill. the rock has A)Potential Energy B) Chemical energy C)Kinetic energy or D) no energy i think it's A or B but I'm not sure. thanks
  97. phychics

    for as illustrated in the diagram a cart has an initial speed 10m/s at the top of a 15-m friction track what is the speed of the cart at the top of the hill ?the acceleration due to gravity is 9.8m/s^2
  98. english

    When the war came on, there were three children—a brother and sister older than I. In August, 1861, my brother enlisted in the second company that left Gadsden, and joined the 19th Alabama Infantry. My sister and I lived with our mother on the farm. We were at home on the ...
  99. Earth Science (Climates)

    The Atacama desert in northwest Chile is located on the west side of the Andes and at same latitude in Chile, the east side of the Andes is part of the tropical rain forest. In southern Chile, there is a lot of snow and rain on the west side of the Andes and desert conditions...
  100. English

    I left out a few words I'd like you to check. I think sentences 4-5-6 are too confused. Would you please help me check them? Thank you. 1) Can I have an aisle/window seat? Can I have a seat in the front (of the aircraft)? 2) We'll have to make a stopover/layover in Madrid.(...
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