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 96

  1. Physics

    A target lies flat on the ground 3m from the side of a building which is 10m tall. A student rolls a ball off the horicontal roof of the building in the direction of the target. Air resistance is negligible. Te horizonal speed with which the ball must leave the roof if it is ...
  2. geometry

    I have a few questions about finding the area. I don't know how to link images on here, so I will just try my best to describe the shapes. First question: What is the area of the figure below? It is a parallelogram connected to a triangle. The spotted line and right angle go ...
  3. algebra

    The formula below can be used to find the distances (d) traveled by an object, where v represents the initial velocity of the object, t represents the time, in seconds, and a represents the acceleration, in meters per second squared. d=vt+1\2at2 A bicycle traveling at a ...
  4. MATH

    NEED HELP WITH THIS THANKS!!!TOGETHER, RYAN AND MAX HAD 195 BASEBALL CARDS. ONCE MAX GAVE 3/8 OF HIS CARDS TO ANOTHER FRIEND, HE AND RYAN HAD AN EQUAL NUMBER OF CARDS. HOW MANY MORE CARDS DID MAX HAVE THAN RYAN IN THE BEGINNING?
  5. another geometry question

    BD is a perpendicular bisector of triangle ABC. XZ is a perpendicular bisector of triangle WXY. Triangle ABC is similar to triangle WXY with a scale factor of 1:2. Part I. Find BD, AB, WZ, XZ and WX. Part II. What is the scale factor of the perimeters of triangle ABC and ...
  6. rec and leisure

    I need program trends for Youths in recreational programs? so far this is what i have... Program trends that are persistent with youths are it is hard to get them involved especially males. Most youths will only get involved if they have a friend or family member that they ...
  7. Physics

    In the figure below, a 3.7 kg box of running shoes slides on a horizontal frictionless table and collides with a 2.0 kg box of ballet slippers initially at rest on the edge of the table, at height h = 6.9 m. The speed of the 3.7 kg box is 5.0 m/s just before the collision. If ...
  8. Math

    Triangle LMN is similar to Triangle XYZ The scale factor of triangle LMN to Triangle XYZ is 2:5 what is the length of the zx
  9. math

    If you eat 1/3 of the birthday cake and your friend eats 1/4 of the same birthday cake. Who ate more? Use pictures to explain your answer. I know that 1/3 is more. But I do not know how to draw pictures that will explain my answer. Please help.
  10. Algebra

    Tina can weed her vegetable garden completely in 70 minutes. Her friend Marisa can do the same task in 40 minutes. If they work​ together, how long does it take Tina and Marisa to weed the vegetable​ garden?
  11. Math (algebra)

    Could you help me with this math question: A can in the shape of a right circular cylinder is required to have a volume of 500 cubic centimeters. The top and bottom are made of material that costs 11 cents per square centimeter, while the sides are made of a material that ...
  12. Science, very urgent please help

    An experiment is set up to test whether a particular insect prefer a dark or a bright environment. A chamber with a gradient in light intensity from one end (dark) to the other (bright) has been made. The experimental hypothesis is: “There will be a large difference between ...
  13. science very urgent need help

    An experiment is set up to test whether a particular insect prefer a dark or a bright environment. A chamber with a gradient in light intensity from one end (dark) to the other (bright) has been made. The experimental hypothesis is: “There will be a large difference between ...
  14. Intermedia Algebra

    to find the distance across a canyon, a surveyor inserts poles a two places o the same side of the canyon as indicated below. using the surveyors measurements given below find the distance across the canyon. 625 and 300
  15. Reading

    3. A “representative character” is one who stands for A. a certain ethnic group. C. a certain political theory. B. a type of personality. D. humanity in general. 4. Which one of the following characters is most in tune with nature? A. Ivar C. John Bergson B. Annie D. Emil ...
  16. Math

    Ok so I have this word problem that I can't figure out. Help please!! Sandra is trying to use her old cell phone to call her best friend. She can be no more than 3 miles from a tower in order to get a signal for her phone. If the telephone tower is 252 feet tall, find the ...
  17. social psych

    Research on motivation and culture would suggest that Susan, an American child, would be more motivated to perform while engaging in which of the following tasks? A. A puzzle that her teacher asked her to do B. Reading a book that her mother picked out for her C. A board game ...
  18. Science 7

    There are 2 questions I have posted. My answers are at the bottom. 1.List 2 liquid solutions that do not contain water? 2. Suppose that you add one teaspoon of sugar to your cup of tea. A friend adds four teaspoons of sugar to his cup od tea. Whose tea is a more concentrated ...
  19. Technology

    Before Katie turns in the paper she typed she wants a peer to review it and give her feedback. Katie uses her all in one printer to scan her edit,prints, and send them to her friend. An all in one printer is 2 answers Input device •• Output device •• Data storage ...
  20. Math

    A cylinder shaped can needs to be constructed to hold 400 cubic centimeters of soup. The material for the sides of the can costs 0.03 cents per square centimeter. The material for the top and bottom of the can need to be thicker, and costs 0.06 cents per square centimeter. ...
  21. help meee

    A cylinder shaped can needs to be constructed to hold 200 cubic centimeters of soup. The material for the sides of the can costs 0.03 cents per square centimeter. The material for the top and bottom of the can need to be thicker, and costs 0.05 cents per square centimeter. ...
  22. physics

    A 12 kg toboggan is pulled along at a constant velocity on a horizontal surface by a horizontal force of 11 N How much horizontal force is needed to pull the toboggan at a constant velocity if two 57 kg girls are sitting in it ?
  23. English

    I realized I didn't check some of the missing words... I'm posting you the sentences again. 1) Photo B shows a check-out clerk and a customer standing at the counter of a clothes department (or shop). The customer may have just bought a present for a friend because I can see a...
  24. Calculus 1

    A family wants to fence a rectangular play area alongside the wall of their house. The wall of their house bounds one side of the play area. If they want the play area to be exactly 1600ft^2, what is the least amount of fencing needed to make this? Round your answer to the ...
  25. Math 7th

    Triangle ABC is shown on the graph below. link to picture a. Triangle ABC is reflected over the y-axis. What are the coordinates of the reflected triangle? b. Describe in words what happens to the x-coordinates and the y-coordinates of the original triangle's vertices as a ...
  26. physics

    The 45-45-90 triangular prism shown in the figure has an index of refraction of 1.58, and is surrounded by air. A ray of light is incident on the left face at an angle of 51.0°. The point of incidence is high enough that the refracted ray hits the opposite sloping side. 1. ...
  27. Menus ration

    a perimeter of a trapezium is 55cm and its non parallel sides are 8 cm and 7cm the difference between the length of parallel sides is 5 cm. find the lengths of the parallel sides
  28. Math

    “On Monday afternoon Kelly withdrew 5% of the balance of her bank account to loan her friend some money. On Tuesday morning she deposited $100 into her bank account. She now has $25 more than she did on Monday morning. How much was in her bank account Monday morning?”
  29. being a math tutor

    Right now in my geometry class, I have an A+, but friend is failing that class. I offered to be her math tutor, to possibly meet in the library after school 3 days a week. Does anybody have any ideas on how to make our study sessions more productive (I haven't started yet -- ...
  30. geometry

    Please respond to the following essay question: Draw and label 2 parallel lines as line m and line n. Add a transversal to your drawing and label it line p. Label all of the angles formed as #1-8. Use your drawing to respond to the following: a) Name four pairs of ...
  31. math

    f/2+>10......sole this inequality Frankly, it makes no sense If it is f/2 >=10 multipy both sides by 2 i meant f/2+5>10 subtract five from both sides, then multiply both sides by 2.
  32. Menusration

    a perimeter of a trapezium is 55cm and its non parallel sides are 8 cm and 7cm the difference between the length of parallel sides is 5 cm. find the lengths of the parallel sides
  33. math

    the base of a solid right prism is a triangle whose sides are 9 cm,12cm,15cm. the height of the prism is 5 cm. then find the total surface area of the prism is?
  34. Calculus

    A piece of wire 12 m long is cut into two pieces. One piece is bent into the shape of a circle of radius r and the other is bent into a square of side s. How should the wire be cut so that the total area enclosed is: a) a maximum? r= and s=. b) a minimum? r= and s=
  35. Physics

    two crewman pull a boat through a lock, one with a force of 135N at an angle of 37 degrees relative to the forward direction of the raft. The 2nd crewman on the opposite side of the lock pulls at an angle of 45 degrees, with what force should the 2nd crewman pull so that the ...
  36. author

    after reading the authors biographies, choose two authors and describe how you think their lives shaped stories they wrote.
  37. Le math

    Annette wanted to buy new carpet for her L-shaped room. Which two expressions could be used to calculate the area of her room?
  38. English

    Thank you veru much. I have a few more doubts. 1) While my family went out, I called a friend. (I think went out is wrong) 2) They expect the weather will be warm They expect the weather to be warm 3) They raise money for (not to) a charity. Can "while" be followed by the ...
  39. Biology

    I hope you can help me with this question: "Imagine that you go to a party with a friend who starts drinking alchohol.Describe , step by step , the effects to that individual as he drinks more and more alchohol as the evening progresses and the long term cosequences that can ...
  40. English!

    What is a good topic for an autobiographical narrative? I know autobiography means about you but what are good topics that reveals something important about yourself but there should be conflict at the center of this? I was going to write about a friend who passed away and we ...
  41. English

    Using who or Whom 1. Who told you about our plans? 2. Who is our greatest scientist? 3. Whom did Armando send for? 4. Who are those women? 5. Who is your instructor? 6. Who is your friend? 7. To whom is that package addressed? 8. For whom shall I ask? 9. Who do you think can ...
  42. English expression

    A. Listen carefully, and choose the picture suitable for the content of the dialogue. B. Listen carefully, and draw a line to find out who teaches which subject. Look at the two people on the left, and the textbooks on the right. Draw a line between while you listen to the ...
  43. physics

    A water tower sits on top of a hill and supplies water to citizens below. The difference in pressure between the water tower and the Dailey's house is 1.1x10^5 Pa, while the difference in pressure between the tower and the Stearns' house is 3.2x10^5 Pa. a)which house sits at a...
  44. math

    You want to explain to your friend that your bank’s interest rate has gone down from 1.2% to 0.3%. Which sentence below has the correct meaning? A)My interest rate has decreased 25%. B)My interest rate has decreased 0.9 percentage points. C)My interest rate is 0.9% of what ...
  45. science

    rearrange this equation 2 make x the subect. 6y = 9 - 3x so first i add 3x to both sides which makes it 3x - 6y = 9 then do i divide both sides by 9 or wat?? can sum1 help me out here If they mean by "Make x the subject" the same as "Solve for x", then add 6y to both sides, ...
  46. physics

    The concepts that play roles in this problem are similar to those in Multiple-Concept Example 15, except the fluid here moves upward rather than remaining horizontal. A liquid is flowing through a horizontal pipe whose radius is 0.0215 m. The pipe bends straight upward through...
  47. algebra - reply to answer

    why is this a poor model for hitting a baseball? y = -0.002x^2 + 0.879x + 3.981 I know it gets hit at approx. 4 feet high. The -a gives the right shape like a hill. There's a -4.48 and 443.95 zero, which can be hit for distance. The max is (219.75, 100) so that seems doable. ...
  48. Calculus - Optimization

    A cylindrical container with a volume of 3000 cm^3 is constructed from two types of material. The side and bottom of the container cost $0.10/cm^2 and the top of the container costs $0.20/cm^2. a) Determine the radius and height that will minimize the cost. b) Determine the ...
  49. 7th grade math help Ms. Sue please

    Hi! Sorry to keep bothering you with questions. Can you help me on 6 and 13 please? I cannot find the answers. Also, can you check my answers to 11 and 19? Thanks! 6. If point A is located at (0, –8) and B is located at (4,–5), what is the distance between them? (1 point) ...
  50. Algebra

    Two angles of a triangle measure 55 degrees and 47 degrees. What is the number of degrees in the measure of the supplement of the remaining angle of the triangle?
  51. Trigonometry

    Am I doing something wrong? I have to use the Law of Consines with the following numbers: a=30, b=15, c=17. I tried to find the angle a, since a is the longest side. Cos A=(15^2+17^2-30^2)/(2x17x15)=-.7568 The inverse being 139 degrees. But when I multiply 15, the measure of b...
  52. Personal

    I have a question about like life... it relates to school as well. Like I have a huge project due THIS Thursday and I helped take care of my friends dogs and I have to take pictures of them and my friend says I can take them now and when I ask her she always says she can't.. I...
  53. Physics

    Consider a circular track with a radius of 200 meters. A runner starts on the east side and runs around the track to a point diametrically opposite her starting point. -What is the magnitude of her displacement? 400m -She then runs the rest of the way around the track to ...
  54. Calculus

    I am bit of confused from this question. I have shown the work below and to subtract, am I supposed to be X2 - X1, Y2-Y1, Z2-Z1? or X1-X2, Y1-Y2, Z1-Z2? ------------------------------------ A triangle has sides formed by the vectors PA=(2,7,3) and PB=(6,2,2). The point P=(1,3,...
  55. Calculus

    I am bit of confused from this question. I have shown the work below and to subtract, am I supposed to be X2 - X1, Y2-Y1, Z2-Z1? or X1-X2, Y1-Y2, Z1-Z2? ------------------------------------ A triangle has sides formed by the vectors PA=(2,7,3) and PB=(6,2,2). The point P=(1,3,...
  56. physics

    why is the following situation impossible? a normally proportioned adult walk briskly along a straight line in the +x direction, standing straight up and holding his right arm vertical and next to his body so that the arm does not swing. his right hand holds a ball at his side...
  57. Math

    1. Where is the incenter of any given triangle? A) the point of concurrency of the altitudes of the triangle. B) The point of concurrency of the medians of the triangle. C) The point of concurrency of the perpendicular bisectors of the triangle. D) The point of concurrency of ...
  58. Math

    To get to her friend's house, Sandra walked along the sidewalk in her neighborhood. If she walked 100 yards at a direction of 45° northeast and then turned to walk 400 yards straight east, how many yards and in what direction would she need to walk if she wanted to walk ...
  59. Algebra

    Square lot. Sam has a lot that he thought was a square, 200 feet by 200 feet. When he had it surveyed, he discovered that one side was x feet longer than he thought and that the other side was x feet shorter than he thought. a). Find a polynomial A(x) that represents the new ...
  60. Geometry

    Triangle UVW is the pre-image of triangle RST with a scale factor of 3. Find the area of triangle UVW if the area of triangle RST is 9 cm2.
  61. math

    triangle abc has coordinates a -1,1 b 1,1 c 0,-1 triangle xyz will be a dilation of triangle abc with a scale factor of 3 at what coordinates should point x of triangle xyz be plotted
  62. english

    what are some poetic devices used in the following poem? "Mending Wall" by Robert Frost Something there is that doesn’t love a wall, That sends the frozen-ground-swell under it And spills the upper boulders in the sun, And makes gaps even two can pass abreast. The work of ...
  63. physics

    Physics: maximum force that can be applied to move an object? What is the maximum force F which can be exerted? Given: The friction between the block with mass 14 kg and the wedge with mass 16 kg is 0.19 . The surface between the wedge with mass 16 kg and the horizontal plane ...
  64. PreCalc

    A square has side lengths of 24 cm. It is divided into four equal sections (as shown in the first picture) and then two of those sections are shaded. One of the unshaded sections is then divided into four equal sections and two of those are shaded (as shown in the second picture)
  65. Calculus

    4. Find the dimensions of the largest isosceles triangle having a perimeter of 18 cm. Answer ( all sides 6 cm) i really need help with coming up with the equation of the function before solving its derivative and making it equal zero so far i know 2x+y=18
  66. geometry

    A triangle has two angles that have measures of 22.5 degrees and 101 degrees. a. Find the measure of the third angle. b. Classify the triangle by its angle measures.
  67. math

    belinda if ur still here to help i would appreciate it so much but 5z-2 (5z-2 is under a radical sign) +7=10 anyone else who knows how to solve this with it coming out equal please help thanks again :) wow, I am SO incredibly stupid 3 times in a row! When you get to 5z=11, you...
  68. math

    The figure below is not drawn to scale. The ratio of the triangle ABC to the area of triangle DEC to the area of the triangle FGH is 7:5:3. If 20% of the area of triangle DEC is shaded, what percentage of the figure is unshaded?
  69. Physics

    A small block of mass m1 = 0.500 kg is released from rest at the top of acurved-shaped frictionless wedge of mass m2 =3.00 kg, which sits on a frictionless horizontal surface as inFigure P9.60a. When the block leaves the wedge, its velocity ismeasured to be v1 = 3.20 m/s to ...
  70. Physics

    A skier swoops down a hill and over a ramp. She starts from rest at a height of 18m, leaves the ramp at an angle of 45 degrees, and just clears the snowman on her way down, making an angle of 30 degrees with the vertical as she does. Assuming that there is no friction, and ...
  71. maths

    the base of a solid right prism is a triangle whose sides are 9cm, 12cm and 15cm. The height of the prism is 5cm. Then the total surface area of the prism is.
  72. Reading

    Icebergs can be slippery slopes for ships at sea. An iceberg can be dangerous to ships because more than 3/4 of it is under the water. Most of it isnt visible. Icebergs are found in the cold seas near the North and South Poles. The wind and currents move them through the water...
  73. calculus

    dy/dx=(1+Lnx)y and if y=1 when x=1, then y=? i know i have to find the integral by multiplying dx to the other side and bringing y to left. and i got Ln(y)+ C = x + 1/x + C what do i do next. ln(y)=x+1/x+c e^(ln(y))=e^(x+1/x+c), so y= e^(x+1/x+c) y= Ce^(x+1/x)
  74. algebra

    2a+11=a+5 _____ 3 help 2a+11/3=a+5 is that the question? if it is 2a+11/3=a+5/1, then you cross multiply 3(a+5)=2a+11, distribute the 3, which equals 3a+5=2a+11 so now solve for a , bring them to one side, a=-4
  75. Calculus Help!!!

    Find an equation for the tangent and normal to the curve x^2+y^2=9 at x=1 Do you have to simplify the problem to get y on one side. or is your u=x^2 v=y^2 du=2x dv=2y if so then what next?
  76. Chem

    What are the organic side reactions and products that can occur when 1-butanol is treated with NaBr and H2SO4? Any help would be great, thanks.
  77. algebra

    Permutation For the lunch special, you can choose an entrée, a drink, and one side dish. How many meal choices are there
  78. math

    how many different rectangles are there with an area of 36cm squared if the side lengh of each in centimeters are whole numbers ...please help..me:(
  79. 9th grade

    the apothem of a square candle is 5cm,the side length is 10cm,the height is 9cm, what is its volume ?
  80. maths

    how cards of side 5cm can you cut from a rectangular sheet of paper of length 200cm and width 10cm?
  81. dressmaking and design

    A client tries on a skirt you check the side seams they curve toward the back what does this indicate?
  82. pre algebra

    find the volume of each solid. if necessary round to the nearest tenth. cube: side 8.5inches
  83. science

    Water that's on the side of the earth facing the moon will (a) retreat (b) rise (c) stay at the same level (d) fall
  84. Physics

    How much energy is need to place four positive charges, each of magnitude +5.0 mC, at the vertices of a square of side 2.5 cm?
  85. Physics

    How much energy is need to place four positive charges, each of magnitude +5.0 mC, at the vertices of a square of side 2.5 cm?
  86. trig

    find the exact values of THE SIX TRIGONOMETRIC FUNCTIONS OF THE ANGLE THETA WHICH HAS A POINT ON THE TERMINAL SIDE OF (-1,4)
  87. current events

    In the pending case of Snyder v. Phelps, whose side would you find easier to defend and why?
  88. geometry

    Find, to the nearest tenth of a centimeter, the length of a diagonal of a square if the measure of one side is 8.0 centimeters.
  89. Physics

    Suppose a cube that measures 0.020 m on each side were made of water. Find its volume, mass, and weight.
  90. astronomy

    Calculate the average speed of a water molecule (with a mass of 3.0e-26 kg) on the hot side of Mercury (710 Kelvin).
  91. algebra

    Calculate the average speed of a water molecule (with a mass of 3.0e-26 kg) on the hot side of Mercury (710 Kelvin).
  92. math

    how do you figure out the problem to what is the area of the following square where one side is 21in A= s2nd power
  93. Math (Grade 9)

    Solving Linear Equations: x _ - 3 = 5 7 I know you have to add three to each side, but after that im not sure what to do,, please help!
  94. Maths 132

    Find the volume of the solid lying in side both the sphere bounded x^2+y^2+z^2=4a^2 and the cylinder x^2+y^2=2ay
  95. chemistry

    I am having trouble balancing one of the half reactions: AsO3^(-3) --> AsO4^(-4) Which side should OH and H2O go? Thanks.
  96. Calculus

    Find the derivative of: y= 5^x + 15/x^6 I'm assuming I need to take the natural log of each side, but I get stuck after that part.
  97. gca

    How can I find a Formula to figure out the difference in the distance of the in side and outside of a dog racing track?
  98. Pre-Calc

    Solve the multiple angle equation in the interval (0, 2ð) tan2x=-1 Do i have to divide the 2 to the other side?
  99. biology

    Calculate the density of a solid cube that measures 5.18 cm on each side and has a mass of 197 g. Answer in units of g/cm3
  100. biology

    Which of the following amino acids has a side chain that carries a negative charge in its conjugate base form? A. H B. W C. C D. K E. N
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