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 59

  1. pre calc. help!!!!!!

    i am building a rectangular swimming pool. the pool is to have a surface area of 1000 ft.^2. it also has a uniform walk way of 3 ft. surrinding it. X is the lengh of one side of the pool, and Y is te lengh of the other side. A.) express the area of the plot of land needed for ...
  2. math

    Rex is taking three friends for a ride in his new car. one friend can sit in front with Rex, and two can sit in back. If Rex always drives, how many seating arrangements of two passengers in back and one in front are there in his new sport car?
  3. Math grade 8 (algebra)

    The perimeter of the square is 2cm longer than the perimeter of the triangle.Write an equation for the perimeter of the square and then determine the length of each side of the square. Thank you in advance.
  4. Math please help with these word problems i have

    1. The circumference of a circle is the product of the number π and twice the radius. 2. The area of a square is the square of the length of a side. 3. The perimeter of a square is four times the length of a side. 4. Force equals the product of mass and acceleration. 5. ...
  5. Basic Math

    Surface area of a square pyramid 11in 13in and 9in 11 height 13 side? 9 base edge I keep getting the wrong answer its not 328.62 or 294.93 Square area of a cone 15 side? 12 height 6 base It's not 365.99 or 417.62 I don't need anything rounded...help please!
  6. English

    Which of the following should you do to make your argument effective? Answers: Compare the opposite side's views to something unpleasant. Include only general details the audience will understand. Use specific details to refute the opposite side's views. Appeal strongly to the...
  7. Math

    Post a New QuestionCurrent Questions Homework Help: Math Posted by Anonymous on Wednesday, November 11, 2015 at 7:08pm. 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 ...
  8. first aid

    Two thin rectangular sheets (0.09 m 0.54 m) are identical. In the first sheet the axis of rotation lies along the 0.09-m side, and in the second it lies along the 0.54-m side. The same torque is applied to each sheet. The first sheet, starting from rest, reaches its final ...
  9. Math

    the distance between any two bases on a baseball diamond is 90 feet.What is the best approximation for the direct distance from home plate to second base? A baseball diamond's four bases form a square with 90 foot sides. A right triangle is formed by home plate, first and ...
  10. Physics

    a 60 kg boy on a sled reaches the bottom of a hill traveling at 8 m/s, if he comes to a stop at 20 m along this flat stretch of snow what is the coefficient of kinetic friction between the sled and the ground? (hint: find the acceleration first)
  11. math trigonometry

    1. Two straight roads intersect to form an angle of 75". Find the shortest distance from one road to a gas station on the other road 10o0 m from the junction. 2. Two buildings with flat roofs are 60 m apart. From the roof of the shorter building, 40 m in height, the angle of ...
  12. Physics

    A wooden bridge crossing a canyon consists of a plank with length density λ = 2 kg/m suspended at h = 10.0 m below a tree branch by two ropes of length L = 2h and with a maximum rated tension of 2000 N, which are attached to the ends of the plank, as shown in the figure. ...
  13. physics

    really stuck, a 90 kg skier has 140 KJ of total mechanical energy when he is at a height of 120m above the bottom of the hill. calculate the skiers kinetic energy. calculate his speed?
  14. physics

    really stuck, a 90 kg skier has 140 KJ of total mechanical energy when he is at a height of 120m above the bottom of the hill. calculate the skiers kinetic energy. calculate his speed?
  15. science

    A 75-kg person on skis is going down a hill sloped at 30.0°. The coefficient of kinetic friction between the skis and the snow is 0.15. How fast is the skier going 10.0 s after starting from rest?
  16. please help me

    A ball starts from rest and rolls down a hill with uniform acceleration, traveling 170 m during the second 5.5 s of its motion How far did it roll during the first 5.5 s of motion? x=
  17. Physics 1

    A ball starts from rest and rolls down a hill with uniform acceleration, traveling 150 m during the second 5.0 s of its motion. How far did it roll during the first 5.0 s of motion?
  18. math

    rice seedlings will be planted to a 20 m x 25 m area at 20 cm x 20 cm spacing, with 2 seedlings per hill. if the area is a rectangle having 25 meter long rows what will be the resulting plant population density?
  19. Math ( i just need these two to finish my workshet

    Show the solutions of 1. If a = 4, b = 3, and A = 36o. 2. If a = 3, b = 4, and A = 48.59o Finding a "solution" means solving for all missing sides and angle measures in each triangle.)
  20. AFM

    Show the solutions of the two examples given in the notes. (Hint: Finding a "solution" means solving for all missing sides and angle measures in each triangle.) (a) If a = 4, b = 3, and A = 36o. (b) If a = 3, b = 4, and A = 48.59o
  21. Physics

    Ten identical lengths of wire are laid closely side by side. Their combined width is measured and found to be 14.2 mm. Calculate: a)the radius of a single wire b)the volume in mm cubed of a single wire if its length is 10.0 cm. (Volume of a cylinder = π*radius squared*...
  22. Pathways to Math Literacy

    Mike is putting up a snow fence on the west side of his property. He needs a post at each end to hold the fence up and would like to put a post in every 8 feet. If he uses 25 posts for his fence, how wide is the west side of his property?
  23. algebra

    Gemma recently rode her bicycle to visit her friend who lives 6 miles away. On her way there, her average speed was 16 miles per hour faster than on her way home. If Gemma spent a total of 1 hour bicycling, find the two rates.
  24. chemistry

    Suppose you have two 100mL graduated cylinders. In each cylinder, there is 36.0mL of water. You also have two cubes: one is lead, and the other is aluminum. Each cube measures 2.60cm on each side.
  25. Chemistry

    Suppose you have two 100mL graduated cylinders. In each cylinder, there is 36.0mL of water. You also have two cubes: one is lead, and the other is aluminum. Each cube measures 2.40cm on each side.
  26. Chemistry

    Suppose you have two 100mL graduated cylinders. In each cylinder, there is 36.0mL of water. You also have two cubes: one is lead, and the other is aluminum. Each cube measures 2.40cm on each side.
  27. Chemistry

    Suppose you have two 100-mL graduated cylinders. In each cylinder there is 36.0mL of water. You also have two cubes: One is lead, and the other is aluminum. Each cube measures 2.0cm on each side.
  28. math, functions

    stefan has set up a right triangle EFG on the side of a river such that FG measures 20m and angle DEF measures 60 degrees. EG bisects angle DEF. determine the width of DG.
  29. maths

    In the green rectangular board of measure 20×15 ,there is a white square with side 10 units. In the square, there is a orange right angle triangle of measure 3×4×5 . Find the probability that a dart strikes in orange portion
  30. english

    Please check! My best friend told his neighbor that he could not take care of the dogs this weekend. My best friend told his neighbor that he could not take care of his dogs this weekend. When he sat the plate on the glass countertop, it broke into a thousand pieces. When he ...
  31. Physics

    a) Rain drops hitting the side window of a car in motion often leave diagonal streaks if there is no wind. Why? b) For a certain projectile, the horizontal range is twice in magnitude of the maximum height attained by it. Find its angle of projection.
  32. Math

    A designer's architectural drawing has a room which is 1 3/4 by 2 5/8 inches. If the scale is 1 foot = 1/8 inch a) find the length of the longer side of the room feet b) find the length of the shorter side of the room feet
  33. Math

    The volume of a rectangle prism with a square bases is 5880 cubic inches and it's height is 30 inches. Find the side length of the square base? 5880\30 = 196 square = side length of 14
  34. math

    I need help figuring out these two questions on euations with integers. -5x+20=-60 2x-3=-2 thank you so much for first: subtract 20 from both sides, simplify, then divide both sides by -5 for second: add 3 to both sides, simplify, then divided both sides by 2
  35. Algerbra

    how do you solve 7(3x+4)=8(2x+5)+13 expand the parenthesis...I will do the left side.. 21x + 29= Now, subtract sixteen x from both sides, and subtract 28 from both sides. I will be happy to check your work. 7(3x+4)=8(2x+5)+13 21x + 29 is 7 times 4 28? 21x+ 28= 16x+40+13 21x+28...
  36. math

    the number of sides in an argument There probably would be at least one side of an argument for each person participating. It would also depend on the number of available options to the situation being discussed. I hope this helps a little. Thanks for asking.
  37. Art/Language

    i have to decorate a cereal box to tell people about myself, sorta like if they where to buy me. What can i put on the sides (like on cereal boxes there are nutrition facts and ingrediants, but what about the other side?)
  38. Algebra

    Ok, so , I have the question: -5=-8+5f. I'ev figured out that I have to add 8 to both sides of the equation,but now I'm stuck because I'm left with -3+5f=? And I can't figure out what should be on the other side of the equals sign. Please help! I'm a figure skater, not a ...
  39. math

    a farmer has 200 yards of fencing to enclose three sides of a rectangular piece of property that lies next to a river. the river will serve as the fourth side. find the dimensions of property if the area is 3200 yards^2
  40. maths

    a gardener has to put double fence all around a triangular path with sides 120 metre,80 metre,and 60 centi-metre.in the middle of each side their is a gate of width 10 metre. find the length of the wire needed for the fence.
  41. Calculus

    Two sides of a triangle have constant lengths a and b, and the angle between them is theta. What value of theta will maximize the area of the triangle? so far i have the formula and the derivative. A=.5absin(theta) A'=.5abcos(theta) then i set the derivative to zero in order ...
  42. Physics Class

    I don't understand this question. Three weights are attached to the corners of an equilateral triangle with a side length 10 cm. Measured from the bottom left corner, what is the center of mass of this object if M1 = 0.1 kg, M2 = 0.2 kg, and M3 = 0.3 kg? and M2 is on the left ...
  43. Derivative-Optimization Problems

    You plan to enclosed part of a rectangular farmland with a fence. Since one side of it is bounded by a river, you only need to fence the other three sides. if you have enough budget to buy 600m of fencing material, what is the largest area you can enclose?
  44. Can anyone help with this paragraph??? english

    Rewrite the following paragraph. Add colons and semicolons where needed. Note that a spelling/grammar-checker does not always catch these errors. One of the most exciting experiences in my life was traveling to Uruguay in South America in June of 2005, through the end of ...
  45. Geometry

    An Isosceles triangle has a 96degree angle. What are the measures of the other 2 angles? Do all triangles have to add up to 180degrees? If so, than this isn't possible because an isosceles triangle has 2 sides the same length. Correct?
  46. Math (Pre-Cal)

    There is exactly one triangle the length of whose sides are integers in arithmetic progression and whose area is 156 square units. Find the perimeter of this triangle.
  47. math

    The perimeter of a right triangle is 24 inch. Find the dimensions of the triangle if the sides are all whole number lengths. My answer: 6, 8, 10 do I have to put a unit like inch or feet?
  48. Geometry

    An isosceles trapezoid has a perimeter of 42 inches. Each of the congruent nonparallel sides is 5 inches long and the trapezoid is 3 inches tall. How long are the two parallel sides? A. 10 in, 22 in B. 16 in, 16 in C. 10 in, 16 in D. 12 in, 20 in * I understand that you add ...
  49. fluid

    1. A vertical seawater lock is 4m wide and 2m high. The water level is 2 m above the base of the lock on one side, there being no water on the other side. The mass of the lock is 2.5 t and the coefficient of friction between the lock and the slides is 0.25. Determine the force...
  50. Math

    There are 8 people on one side of a river. They have a raft to help them get to the other side. There is a father and his two sons, a mother and her two daughters, a policeman and a thief. Everyone must cross the river, but you must follow the rules: * Only 2 persons on the ...
  51. math

    Flor is putting a fence around a field. The field is rectangular and measures 9.38 yards (yd) long and 14.74 yd wide. How much fence must Flor purchase? A rectangular field has 4 sides. Two of the sides are each 9.38 yards long. The other two sides are 14.74 yards long. The ...
  52. Exp. Growth + Decay (HELP ME PLEASE!)

    1. Suppose you invest $1,000 in a CD that is compounded continuosly at the rate of 5% annually. What is the value of this investment after one year? two years? five years? A=1000(e^(.5x1)) = 1648.72 A=1000(e^(.5x2)) = 2718.28 A=1000(e^(.5x5)) = 12182.49 2. A colony bacteria is...
  53. Geometry

    A rectangle has the same perimeter as a square. If the area of the rectangle is 9 less than the area of the square, the side length of the square is how much longer than the shorter side of the rectangle ?
  54. Maths (V. Hard)

    Firstly calculate how many Pythagorean Triples there are that have no component larger than 300. Next find the sum of all the Hypotenuses from these triples you found in step 1. Finally add together the results that you received in the first two steps and you'll receive the ...
  55. Physics

    A 710kg car drives at a constant speed of 23m/s . It is subject to a drag force of 500 N. What power is required from the car's engine to drive the car (a) on level ground? (b) up a hill with a slope of 2.0∘ ?
  56. sheridan

    Jim is setting up a rectangular dog run in his backyard. He buys six 3-foot sections of fencing and a 3-foot wide gate. What are the dimensions of the dog run with the greatest area in each situation? a) Jim uses the yard fence for one side of the dog run. b) Jim uses the ...
  57. MATHS

    Jim is setting up a rectangular dog run in his backyard. He buys six 3-foot sections of fencing and a 3-foot wide gate. What are the dimensions of the dog run with the greatest area in each situation? a) Jim uses the yard fence for one side of the dog run. b) Jim uses the ...
  58. MATHS

    Jim is setting up a rectangular dog run in his backyard. He buys six 3-foot sections of fencing and a 3-foot wide gate. What are the dimensions of the dog run with the greatest area in each situation? a) Jim uses the yard fence for one side of the dog run. b) Jim uses the ...
  59. math

    Jim is setting up a rectangular dog run in his backyard. He buys six 3-foot sections of fencing and a 3-foot wide gate. What are the dimensions of the dog run with the greatest area in each situation? a) Jim uses the yard fence for one side of the dog run. b) Jim uses the ...
  60. 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 24 m/s at an angle 32 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground. What is the maximum height ...
  61. trig

    two trees r on oposite sides of a river..a cable is atatched at the top of one treen the bottom of another.the length of the cable is 45m the angle is 33 degrees ..q:wats the horizontal distance bewen the two trees
  62. math perimeter

    susans garden fence goes around the entire garden.the fence is a quadrilateral.all of the sides are equal in lenth.one side measures 15 cm. what is the perimeter of the garden
  63. Geometry

    Greg made two similar glass display boxes shaped like triangular prisms. The length of the sides of the base of the first display box is 5 feet, and the length of the sides of the base of the second display box is 10 feet. If the volume of the first display box is 52 ft3, what...
  64. college algebra word problem

    An open box is made from a square piece of material 24 inches on a side by cutting equal squares from the corners and turning up the sides. Write the Volume V of the box as a function of x. Recall that Volume is the product of length, width, and height. Thank you!
  65. World history; Check:P

    What methods did the Assyrians use when they attacked enemy cities? The satrapies were linked by a 2,500-kilometer highway, the most impressive stretch being the Royal Road, built by command of Darius I. Royal inspectors, the "eyes and ears of the king", toured the empire and ...
  66. physics

    One kilogram of water vapor at 200 kPa fills one side of a partitioned chamber. The right side is twice the volume of the left and is initially evacuated. Determine the pressure of the water after the partition has been removed and enough heat has been transferred so that the ...
  67. physics

    One kilogram of water vapor at 200 kPa fills one side of a partitioned chamber. The right side is twice the volume of the left and is initially evacuated. Determine the pressure of the water after the partition has been removed and enough heat has been transferred so that the ...
  68. Math

    I'm in 5th grade and here's my question: I have to write which fraction represents the ratio of corresponding sides? There are 2 triangles. One triangle has the measurements 3in., 9in. and 6in. The other triangle is 18in., 54in. and 36in. Thank you.
  69. Science

    if an aluminum cube has a mass of 20g and the length of each side was 2 cm, between what two liquids would it float?
  70. math-calc

    Two sides of a triangle have constant lengths a and b, and the angle between them is theta. What value of theta will maximize the area of the triangle? so far i have the formula and the derivative. A=.5absin(theta) A'=.5abcos(theta) then i set the derivative to zero in order ...
  71. College Algebra

    Jen recently rode her bicycle to visit her friend who lives 12 miles away. On her way there, her average speed was 10 miles per hour faster than on her way home. If Jen spent a total of 1 hour bicycling, find the two rates.
  72. MATH

    Li-Hua wants to create a triangular fame. She has two pieces of wood, which are 6 inches long and 9 inches long, to use for two sides of the triangle. Which of the following CANNOT be the lenth of the third frame and why? a) 4 inches b) 6 inches c) 13 inches d) 16 inches
  73. geometry

    ok i have 2 problems and id appreciate it if someone can help :) 1. given hexagon ABCDEF with diagonal AC being 2 calculate the area and perimeter of the hexagon. 2. the perimeter of an equilateral triangle is equal to its area. find the side length
  74. Geometry

    Assume each side of the hexagon is worth 10 units. Calculate the apothem, using the fact that it is part of a special triangle to get the answer exactly. Then use the exact value of the apothem to calculate the area of the hexagon.
  75. math

    7/x+5/3x=2/x-5 so lcm=3x(x-5) 21(x-5)+5(x-5)=5x 21x-105+5x-25=5x 26x-130=5x -26x to both sides -130=-21x divide each side by -21 -130/-21 x=6.19 is this correct thanks for checking my work.
  76. Algebra

    A golden rectangle has sides of length 1 and x. When a square with side length 1 is removed from the golden rectangle, the remaining rectangle has the same proportions as the original. Solve for x.
  77. GEOMETRY CIRCLES PLEASE

    HELP ME PLEASE. 1.An isosceles triangle with each leg measuring 13 cm is inscribed in a circle . if the altitude to the base is 12 cm find the radius of the circle 2. Circles a and b are tangent at point c. p is on circle a and q is on circle b such that pq is tangent to both ...
  78. math

    a bag of marbles can be divided evenly among two, three, or four friends. a) how many marbles might be in the bag b) what is the least number of marbles that can be in the bag? c) how many would there be if there are between 30 an 40 marbles in the bag? how many marbles should...
  79. Physics

    A 0.525 ball starts from rest and rolls down a hill with uniform acceleration, traveling 154 during the second 10.0 of its motion. How far did it roll during the first 4.00 of motion?
  80. Physics

    A child holds a sled on a frictionless, snow- covered hill, inclined at an angle of 33◦. If the sled weighs 56 N, find the force ex- erted on the rope by the child. Answer in units of N.
  81. physics

    A child holds a sled on a frictionless, snow- covered hill, inclined at an angle of 29◦. If the sled weighs 61 N, find the force ex- erted on the rope by the child. Answer in units of N.
  82. physics

    A child holds a sled on a frictionless, snow- covered hill, inclined at an angle of 29◦. If the sled weighs 61 N, find the force ex- erted on the rope by the child. Answer in units of N.
  83. Physics

    A cyclist coasts up a 10.3° slope, traveling 17.0 m along the road to the top of the hill. If the cyclist's initial speed is 9.90 m/s, what is the final speed? Ignore friction and air resistance. Any help would be great.
  84. Trigonometry

    The wheels of a scooter have a diameter of 4.5 inches. If the person riding the scooter is traveling down hill at 15.0 mph. what is the approximate angular speed of the wheels in radians per second
  85. math

    Hi, This is the third time I posted this because it wasn't answered by anyone. PLEASE help. I think the first part is correct but I am not sure if the V=lw10 is correct. I got 10 for the number of cubes. Here is the question There is a picture with stacked cubes that are each ...
  86. math

    a picture frame containing a photogragh is 11 inches wide and 14 inches high. a mat around the photograph is 1 1/2 inches wide on all sides. what are the dimensions of the photograph? do you want to add or subtract from each side?
  87. Physics

    Can you please explain further because I don't understand? Posted by Mary on Wednesday, November 14, 2007 at 4:23pm. A wavelength of 625 nm is used in a Young's double-slit experiment. The separation between the slits is d = 1.3 10-5 m. The total width of the screen is 0.20 m...
  88. Physics

    As you know, a cube with each side 4 m in length has a volume of 64 m3. Each side of the cube is now doubled in length. What is the ratio of the new volume to the old volume? Why is this ratio not simply 2? Include a sketch with dimensions.
  89. geometry

    two sides of an equilateral trianlge measure (2y+3) units and (y^2-5) units. if the perimeter of the triangle is 33 units, what is the value of y?
  90. geometry

    two sides of an equilateral trianlge measure (2y+3) units and (y^2-5) units. if the perimeter of the triangle is 33 units, what is the value of y?
  91. Physics

    If you ask a friend to drive a small nail into a piece of wood placed on top of a pile of books on your head. Why doesn't this hurt you?
  92. Language

    What is the predicate in the following sentences? The glowing stars danced across the sky. Camping is a lot of fun when you have a friend with you.
  93. Math, Grade 6

    My best friend needs help multiplying and dividing mixed numbers. I try to help them but it's hard cause shes stubborn. Any help I could give her?
  94. math

    Betty buys 16 balloond for her friend. At the rate given in the sign below how much does she pay in $ and cents A dozen ballons for $4.80
  95. math

    Betty buys 16 balloond for her friend. At the rate given in the sign below how much does she pay in $ and cents A dozen ballons for $4.80
  96. english II

    Answers for telling an associate and close friend that she should pay more attention to her work responsibilities, or management will fire her.
  97. english

    is it ethical to tell an associates and a close friend that she should pay more attention to her work responsibilities, or management will fire her
  98. Statistics

    Going to the movies tonight with one friend. Is it more beneficial for me to pay for the tickets or food? Please explain your reasoning
  99. english

    Last night, Jason introduced me to a friend of his. Whose hair was all the way down to the back of his knees in a single dreadlock.
  100. English 4

    "Long was the season: Twelve-winters' time torture suffered The friend of the Scyldings, every affliction, Endless agony; "
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