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 54

  1. Physics

    a ball with a mass of 8.0kg is suspended by two wires: 1) 0.6 meters and 2) 1.0 meters from a horizontal arm of 0.8 meters, which is attached to a vertical shaft. The two wires and the horizontal arm forms a triangle. The shaft is in uniform rotation about its axis such that ...
  2. Macroeconomic

    The idea that creating incentives for individuals and firms to increase productivity leading to an increase in the long-run aggregate supply curve is a. the Ricardian equivalence theorem. b. demand-side economics. c. consistent with crowding out. d. supply-side economics.
  3. physics

    How fast must a cyclist climb a 4.0 degree hill to maintain a power output of 0.35 hp? Neglect work done by -friction, and assume the mass of cyclist plus bicycle is 83 kg.
  4. Physics

    A cannon fires projectile (ordinarily called a cannonball) at an angle 85 degrees from the ground. The cannonball has a speed 150 m/s, and it is launched from hill 20 m above the plain where it will land.
  5. Math,science,social,Hindi,english

    A person weighing 50kg runs up a hill raising himself vertically 10m in 20sec. Calculate the power of the person.
  6. Maths

    I have a maths exam tomorrow and am studying with a friend. We are working on a question and are getting two different answers. Could you please show us the right way to do it? 2(4x + 3)(4x - 3) - (4x + 3)squared p.s i couldn't find a squared symbol so only the last bracket is...
  7. LA

    Which of the following is an example of direct characterization? Two characters explain why they are angry with a friend. The story's narrator describes a character's personality and appearance. (MY ANSWER) One character reacts to another's unkind remark. One character reveals...
  8. English

    Can you please check these sentences? I'm unsure about the use of synonyms. Thank you. 1)Dr Jekyll creates a potion capable to release (or of realising) his evil side. 2) For this purpose, he uses a particular salt, adds it to other componenents and brings them to the boil. ...
  9. Geometry

    The question is as follows: Two sides of an isosceles triangle with perimeter 112 cm are in the ratio 3:2. Find ALL possible lengths for the base. Please help. Thanks!
  10. math

    Two rulers are the same length. Ruler A is divided into 357 units while ruler B is divided into 255 units The rulers are placed side by side with the 0 marks lined up and the 375th mark of ruler A aligned with the 255th mark of ruler B. How many total places will the marks on ...
  11. Physics

    Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 22 m/s at an angle 63 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground.
  12. Math

    3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number**** A whole number a radical 4.Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway through the garden ...
  13. 8 th grade math

    each side of square is 6 in. long . a scale factor of 2/3 is used to draw a similar square. how long is each side of similar square . choices are 4in. ,6 in., 8in. ,answer not here i chose 8 in. is that right
  14. college algebra

    The area of a rectangular swimming pool is given by 4x^2+19x+12ft^2.One side length of the pool is given by 4x + 3 feet. What is an algebraic expression for the other side length of the pool?
  15. Physics

    A roller coaster car of mass 1000kg is riding along a track from point A to point C. (point A is 75m high, B is 50m high and C is 100m high, so that there are a total of three hills.) the final velocity at point C is 10m/s a) Assume no friction what is the speed of the car at ...
  16. PPPPPhysicssssss

    Two lasers are shining on a double slit, with slit separation d. Laser 1 has a wavelength of d/20, whereas laser 2 has a wavelength of d/15. The lasers produce separate interference patterns on a screen a distance 4.90m away from the slits. 1. What is the distance Δy_max-...
  17. Variation-Check Problems

    Can you please check my answers? Thanxs! Write an equation that expresses the relationship. Use k as the constant of variation. 20. f varies jointly as b and the square of c. -I got: f=kbc^2 22. r varies jointly as the square of s and the square of t. -I got: r=ks^2t^2 Find ...
  18. Math

    Determine whether the following statement makes sense or does not make sense, and explain your reasoning: When I'm trying to determine end behavior, it's the coefficient of the leading term of a polynomial function that I should inspect. A) This makes sense because the ...
  19. Thermal Physics, Kinetic Theory of Gases

    Oxygen (O2) has a molar mass of 32 g/mol. (e) Suppose an oxygen molecule traveling at this speed bounces back and forth between opposite sides of a cubical vessel 0.10 m on a side. Find the average force it exerts on one of the walls of the container. (Assume that the molecule...
  20. 2 questions. for math.

    I have a question. can you help me. The question is, Find the side length of a square that has a permeter of 32cm? im not understanding the part where it says find the side length. because to fing the area you need to do width x length. so how do i get the perimeter?
  21. statistics

    what is the value of pearson r for th relatioship between quadriceps sstrength and the side step test? explain to justify your anwser. n quadriceps test index (60%) side 31 r=0.528 step p=0.002 test sig.(2 tailed)
  22. math

    The area of a rectangular swimming pool is given by 3x^2+11x+6 ft^2.One side length of the pool is given by 3x+2 feet. what is an algebriac expression for the other side length of the pool? simplify and include correct units
  23. Calculus

    The side of a square box is increasing at a rate of 4mm/s and its height is increasing at a rate of 2mm/s. How fast is the volume increasing when the side is 40mm and the height is 100mm. Can someone just tell me what formula to use?
  24. Physics

    A ball rolls down a hill with a constant acceleration of 2.0 m/s2. If the ball starts from rest, (a) what is its velocity and the end of 4.0 s? (b) How far did the ball move?
  25. Physics

    A ball rolls down a hill with a constant acceleration of 2.0 m/s2. If the ball starts from rest, (a) what is its velocity and the end of 4.0 s? (b) How far did the ball move?
  26. alexandria

    The force pulling a truck down hill is 2000 newtons what is the size of the static friction acting on the truck if the truck doesn't move?
  27. geometry

    An architect plans to draw a rectangular patio with segment LM representing one side of the rectangle. He wants to construct a line passing through Q and parallel to side LM. He uses a straightedge and compass to complete some steps of the construction as shown. Which of these...
  28. geometry

    An architect plans to draw a rectangular patio with segment LM representing one side of the rectangle. He wants to construct a line passing through Q and parallel to side LM. He uses a straightedge and compass to complete some steps of the construction as shown. Which of these...
  29. Geometry

    The surface of a cube is painted red and blue, 3 sides of each color. the cube is then cut into 27 equal sized smaller cubes. A: How many cubes have at least 2 sides painted blue? B: How many cubes have at least 1 side painted red?
  30. Geometry

    The surface of a cube is painted red and blue, 3 sides of each color. the cube is then cut into 27 equal sized smaller cubes. A: How many cubes have at least 2 sides painted blue? B: How many cubes have at least 1 side painted red?
  31. physic

    It is said that unlike charges attract. You should have observed that after the sticky side of a piece of scotch tape is pulled quickly off the smooth side of another piece of tape the tapes attract each other. Perhaps each tape has the same type of charge and the rule has ...
  32. math 107

    Use the following diagram of a flowerbed of petunias to answer the following questions. This diagram is a rectangle with ½ a circle on each end. The circle diameter is 22 feet, while the length of the rectangle is 60 feet. If you draw an X in the middle of the rectangle, you ...
  33. Algebra

    the length of the longer leg of a right triangle is 13 ft more than 3 times the length of the shorter leg. the length of the hypotenuse is 14 ft more than 3 times the length of the shorter leg. Find the side lengths of the triangle
  34. Calculus

    A ladder a = 20 feet long is leaning against the wall of a house. The base of the ladder is pulled away from the wall at a rate of b = 4 feet/second. Consider the triangle formed by the side of the house, the ladder, and the ground. Find the rate at which the area of the ...
  35. science

    what would the reason be for a graduated cylinder to have 2 sets of scales on it, one rising by 10s and one lowering by 10s? for ex, on one side from the bottom- 10, 20, 30, etc. then on the other side from the bottom- 90, 80, 70, etc.
  36. Algebra I

    The area of a rectangular swimming pool is given by 5x^2-31x-28ft^2. One side length of the pool is given by 5x + 4 feet. What is an algebraic expression for the other side length of the pool?
  37. algebra

    The area of a rectangular swimming pool is given by 4x^2+19x+12ft^2.One side length of the pool is given by 4x + 3 feet. What is an algebraic expression for the other side length of the pool?
  38. math

    This is a floor plan of a building that is 8m tall. It has a flat roof. What is the surface area of the building including the roof. The floor plan is starting from the left the side is 18m the bottom is 27m the right side is 22m. The top looks weird butits like three sections...
  39. English

    Can you please check if the following definitions are possible? Thank you 1)The iamb is an unstress-stress pattern like the word "upon". 2) The anapaest is the unstress-unstress-stress pattern. 3)The oxymoron is a figure of speech in which two contradictory words (terms) are ...
  40. math

    Plz solve this problem.. A wire of 100 cm is cut into two parts and each part is bent to form square.if the sum of the areas of two squares is 425 cm square.find the length of side of two square.
  41. geometry

    A polygon has d diagonals. If the polygon had one more side, it would d + 10 diagonals. How many sides does the polygon have?
  42. Physics- Someone Please Help!!!

    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 21.0° with the horizontal. A 37.0 kg piece of luggage is placed on the carousel, ...
  43. Physics- Someone Please Help!!!

    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 21.0° with the horizontal. A 37.0 kg piece of luggage is placed on the carousel, ...
  44. Physics- Can someone please help me!!!

    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 21.0° with the horizontal. A 37.0 kg piece of luggage is placed on the carousel, ...
  45. Physics- Elena please help!

    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 21.0° with the horizontal. A 37.0 kg piece of luggage is placed on the carousel, ...
  46. Geomtry

    A farmer has 1000 meters barbed wire with which he is to fence off three sides of a rectangular field, the fourth side being bounded by a straight canal. how can the farmer enclose the largest field?
  47. MATH

    A VERTICAL POST WITH SQUARE CROSS SECTION OF 1M X 1M IS SET SQUARELY ON A CUBICAL BLOCK 3M ON A SIDE. SUPPORT S FROM THE FLOOR TO THE SIDES OF THE POST AS DESIRED. FIND THE INSIDE LENGTH OF THE SHORTEST POSSIBLE SUPPORT.
  48. physics

    Ten boxes, each 16.0 cm high and weighing 250 N, initially are all side by side on the floor. The boxes are lifted and placed in a vertical stack 1.60 m high in a time interval of 7.00 s. Compute the power necessary to stack the boxes.
  49. math

    Shane takes a big cube of butter with side length x from the fridge. He then cuts out a little cube of side length y from one of the corners of the cube. Write an expression that describes the remaining volume of butter.
  50. maths

    A mining company ha 10 000 m of fencing available.It wants to use a fencing to enclose a rectangular field. one side of the field is bordered by a river.If no fencing is placed on the side next to the river, What is the largest area that can be enclosed?
  51. Maths

    A mining company ha 10 000 m of fencing available.It wants to use a fencing to enclose a rectangular field. one side of the field is bordered by a river.If no fencing is placed on the side next to the river, What is the largest area that can be enclosed?
  52. isds

    When specifying linear constraints, the modeler must take into account the unit specification of the decision variables so that the units represented by the left side of the constraints are consistent with the units represented by the right side of the constraints.
  53. Alg 1

    A triangular-shaped wall has a base of 2x+4 and a height of x+3. The area of the triangle is 56 in^2. What is the value of "x"?
  54. English

    1. They went over to the other side of the river in a boat. 2. They went over to the other side of the river on a boat. 3. They went over to the other side of the river by boat. ============== Are they all grammatical? Which one is commonly used?
  55. Math

    A professor at a school of Architecture designed an asymmetrical​ A-frame house pictured below. The included angle between sides AB and​ CB, which measure 30.96 ft and 17.78 ​ft, respectively, measures 67 degrees. Find the length of side AC.
  56. Physics

    Three point charges + q, -q and + q are placed at the vertices P, Q and R of an equilateral triangle. If F=1/4ðE q 2/ r2 where r is the side of the triangle, What is the force on charge at P due to charges at Q and R? It is along which direction.? Since one charge is +ve ...
  57. English

    16.Jackals and other scavengers now (prowl deter) through the ruins of what is once a great city prowl 17.A loud groan went through the class when we got the (unscrupulous disquieting) news that there would be a full period test later in the week disquieting 18.My friend took ...
  58. algebra

    A school designer wants to create a whiteboard with the optimal dimensions to enhance learning. It is determined that if one side of the whiteboard is x+2y inches, the other side should be x^2+6xy-5y^2 inches. Write an algebriac expression for the area of such a whiteboard, ...
  59. math

    A school designer wants to create a whiteboard with the optimal dimensions to enhance learning. It is determined that if one side of the whiteboard is x + 5y inches, the other side should be x^2+3xy-4y^2 inches. Write an algebraic expression for the area of such a whiteboard, ...
  60. Help me

    11. Name the triangles that are classified by angles. right, scalene, isosceles scalene, isosceles, equilateral acute, right, obtuse obtuse, isosceles, acute 12. Classify the triangle by side length and angle measurement. scalene, acute isosceles, acute scalene, right ...
  61. Never Mind

    I'm just gonna call my friend, she's really good in math. THANKS FOR ALL THE HELP!!!
  62. medical

    hi my friend has moved to spain and has taken ill they say she has FEBRA but know one knows what this is any help would be greatfull
  63. PHI 103

    an argument with a friend, family mem ber or a co-worker in premis-conclusion
  64. physics

    Your friend of mass 80 kg can just barely float in freshwater.Calculate her approximate volume.
  65. English Help

    Write the plural possessive form of each noun for questions 1–3 1. friend 2. box 3. house
  66. physics

    Your friend says his remote control car travels at a velocity of 1.5 m/s. What is wrong with that statement
  67. english

    write a letter to your friend who affected from tsunami.inquiring and suggesting him about the matter.
  68. English

    Which of the following nouns from the selection is a proper noun? ground vegetable friend georgia
  69. English

    Write an informal personal letter to a friend down his invitation for a birthday party.
  70. Life Orientation

    How can you adevise a friend who responds to Avoidance and why it is not healthy in sustaining positive relationships
  71. Maths

    Hi I am new my friend told me to get help here.please can you help me by telling me an easy method to solve this. 9y+2x=
  72. Physics

    A recording engineer works in a soundproofed room that is 47.5 dB quieter than the outside. If the sound intensity in the room is 1.40 x 10^-10 W/m2, what is the intensity outside? -47.5=10log( 1.40 x 10^-10/Io divid each side by ten, then the antilog of each side, and solve. ...
  73. Math Ms.Sue Please!!

    Harriet needs to ship a small vase. The box she will use has a volume of 216 cubic inches. If the side lengths are all the same, what is the length of each side of the box? I got 6 inches. Im not sure how i even got this answer...is it right?
  74. Health (Ms. Sue)

    1. Describe how loss can cause stress. A: When you experience loss, you can feel the physical and emotional effects of stress. For example, after a loss, you may develop tension headaches or an increase in blood pressure. You may also feel irritable and confused. (I don't know...
  75. Math

    Paige is making a garden in the shape of a square. The sides of the new garden are twice the length of the old one. If the side of the original is x, what is the area of the new garden in terms of x?
  76. chemistry

    Electrolysis is carried out for 2.00 h in the following cell. The platinum cathode which has a mass of 25.0782 g, weighs 25.8639g after the electrolysis. The platinum anode weighs the same before and after the electrolysis. there is H2SO4(aq) on the anode side and AgNO3(aq) on...
  77. Math

    In a right triangle I need to find the length of the missing side. If.. a = ? b = 1 c = sqrt(5) I would know what to do if the square root wasn't there or if it were a perfect square but it's not, please help... (P.S. if I need to I have to keep it in radical form)
  78. geometry

    f equilateral triangle JKL is cut by three lines as shown above to form four equilateral triangles of equal area, what is the length of a side of one of the smaller triangles?
  79. Math

    Create a word problem of your own about a triangle in any sports field. Write measures of all sides. Find area of the triangle by using Heron's formula.
  80. Maths (really hard)

    The points A(1,5) and B(9,3) are part of a triangle ΔABC. The triangle has a right angle at A and and sides satisfy AB=2AC. Find a point C such that C lies above the line AB.
  81. science

    If 8 paper clips are placed on one side of the balance 2 cm from the fulcrum,where should 4 paper clips be placed on the other side?
  82. geometry

    the scale factor between figure A and figure B is 0.25. If one side length of figure B is 56 yards, what is the corresponding side length of figure A?
  83. Pre-calculus

    Verify the identity (Left side to right side). {(cosu-cosv)/(cosu+cosv)}=-tan1/2(u+v)tan1/2(u-v)
  84. Calculus

    Find the indicated one sided limits of f. f(x)= (x^2+8)/(x^2-25) what is the limit as x goes to -5+(from the right side)? What is the limit as x goes to 5+(from the right side?
  85. math

    The ratio of one side of a polygon to the corresponding side of a similar polygon is 5:8 The perimeter of the second polygon is 96. What is the perimeter of the first polygon.
  86. Math/Precal

    Prove left hand side equals right hand side: (sinx)/(1-cosx)=(1+cosx)/(sinx)
  87. algebra

    when the lenght of each side of a square is increased by 7in., its area is increased by 189in.^2. find the lenght of the side of the original square.
  88. algebra

    when the lenght of each side of a square is increased by 7in., its area is increased by 189in.^2. find the lenght of the side of the original square.
  89. Physics

    When the length of each side of a square is increased by 5 inches, the AREA is increased by 85 in2. Find the length of the side of the original square
  90. Clarify (URGENT)

    In pairs (make sure you put both names on the answer sheet), create strategies and possible dialogue (min. 1 per topic) for communicating in the following situations: Saying no to sexual involvement Discussing whether or not to become sexually active Talking with a partner ...
  91. English

    1. What may you do after school? 2. I may visit my friend at the hospital. 3. I may go to the post office to send a letter. 4.I may play soccer on the playground. 5. I may go Sajik Sports Complex to watch the baseball match. 6. I may go to a supermarket to buy some fruit. 7. I...
  92. science

    2) A roller coaster is at the top of a 98.2 m hill and has a mass of 1831.0 kg. It is traveling at a velocity of 23.7 m/s. What is the coaster car's TOTAL energy? I used the eg=m*g*h equation and got a value of 1762081.16 .. i then used the ek=1/2mv^2 and got a value of 514227...
  93. chem

    The diameter of a neutral argon atom is about 2.0 multiplied by 102 pm. Suppose that we could line up argon atoms side by side in contact with one another. Approximately how many argon atoms would it take to make the distance 1 cm from end to end?
  94. math

    i need help in solving these 2 problems...please help..thank you... Your home is built on a square lot. To add more space to your yard, you purchase an additional 4 feet along the side of the property. The area of the lot is now 9600 square feet. What are the dimentions of the...
  95. Intermediate Algebra

    You have been requested to display your family portrait in the lobby of the new Hampton inn in west Jordan it portrait measures x inches one side. and the other side is 2" longer than the other. the frame that surrounds the portraits is 2 inches wide. You are planning on ...
  96. math

    During rush hour, Fernando can drive 20 miles using the side roads in the same time that it takes to travel 15 miles on the freeway. If Fernando's rate on the side roads is 9 mi/h faster than his rate on the freeway, find his rate on the side roads. What is the formula and ...
  97. algebra II

    I have been working on this problem for a while and for some reason I don't come up with the answer. a^2+b^2=c^2 I came up with 2square root 5 please tell me if this is correct. In a right triangle, Find the length of the side not given b=1, c=square root 10 thank you.
  98. algebra II

    I have been working on this problem for a while and for some reason I don't come up with the answer. a^2+b^2=c^2 I came up with 2square root 5 please tell me if this is correct. In a right triangle, Find the length of the side not given b=1, c=square root 10 thank you.
  99. Math

    A thin plastic band 50 cm long is used to tie seven plastic pipes together. What is the radius of the pipe? The shape is a hexagon but not vertices but curved. My solution was , you get an eqilateral triangle with side 3 r 3 r = 50/6 r = 50/6/3 = 2.73 But the text book answer ...
  100. Physics- Elena please help! I'm so confused!!

    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 21.0° with the horizontal. A 37.0 kg piece of luggage is placed on the carousel, ...
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