1. Physics

    Two lead spheres at the same temperature have radii in the ratio 1:2.what is the ratio of their heat capacities
  2. Algebra ( Check +Help please)

    11/w=33/w+24 Basically it's made to look like a proporiton, ratio + ratio. And I know that 33w= 11(w+24) But I don't know what to do from there could somebody explain to me? Thank you!
  3. Geometry

    How do you find the ratio if the areas of 2 similar triangles in which the ratio of a pair of corresponding sides is 4:1
  4. Math

    A 274cm timber is cut into three pieces in the ratio 3:7:11,find the length of each ratio.
  5. Math

    two cones have radii in the ratio 5:4 and height 2:3, determine the ratio of their volumes . where V=1/3pier^2h
  6. math check please

    the ratio of 5 3/5 to 2 1/10 18/5 divid by 21/10 18/5 x 10/21 6/1 X 2/7 12/7=12:7 could some one tell me if this is correct ? yes. the ratio of 5 3/5 to 2 1/10 Would you take a look at this? I think 5 3/5 = 28/5 and not 18/5. how do you make a divide sighn
  7. Math

    The ratio of ages of P andQ in 1996 was2:3 and in 2001was7:10 what will be the ratio in 2011
  8. geometry

    If the ratio of the volume of two similar solids is 8:125, then what is the ratio of their surface areas?
  9. math

    determine which ratio forms a porportion with 24/28 by writing the ratio in simplest form A( 3/4 B( 4/6 C( 4/7 D( 7/9
  10. math

    Michel's class had 4 A's, 10B's, 13C's, 8D's, and 2F's What is the ratio of A's to B's and what is the ratio of f's to total students.
  11. Math

    You have a mean score of 86 on 9 quizzes. The teacher decides to drop your lowest quiz score to determine your final quiz mean. After dropping the lowest score, your mean score on the 8 remaining quizzes is 88. What score was dropped?
  12. statistics

    Use this table to answer the questions. Height (in inches) Frequency 50-52 5 53-55 8 56-58 12 59-61 13 62-64 11 1. Identify the class width. 2. Identify the midpoint of the first class. 3. Identify the class boundaries of the first class. 4. Give the
  13. Stats

    Use this table to answer the questions. Height (in inches) Frequency 50-52 5 53-55 8 56-58 12 59-61 13 62-64 11 1. Identify the class width. 2. Identify the midpoint of the first class. 3. Identify the class boundaries of the first class. 4. Give the
  14. math

    Howard made cards for the fractions 3/9,4/8, 1/7, 6/5,and 3/10. He set them out in a row, putting 1/7 first.The fraction equivalent to 1/2 went after the one equivalent to a mixed number. A fraction that is half of 3/5 went between the fraction equivalent
  15. math

    Howard made cards for the fractions 3/9,4/8, 1/7, 6/5,and 3/10. He set them out in a row, putting 1/7 first.The fraction equivalent to 1/2 went after the one equivalent to a mixed number. A fraction that is half of 3/5 went between the fraction equivalent
  16. college Physics

    Dear Sir, Please help. I am struggling with the below problems for a very long time. thanks Larry King 1) Suppose that in a certain atmospheric situation, a falling raindrop, having an initial mass of 0.010g. collects smaller droplets by collision at such
  17. calculus

    A water heater in the shape of a circular cylinder is standing vertically, resting on one of the round ends. The tank is 60 inches tall and has a volume of 30 gallons. If water is flowing into the tank at the rate of 5 gallons per minute, at what rate is
  18. Math

    What is the ratio of the surface area for a pair of similar cylinders when the ratio of the heights is 1:3? A) 1:4 B) 1:27 C) 1:9 D) 1:1 My answer is C) 1:9. Is this correct? Thanks.
  19. MATH 157

    what is the ratio of the surface areas for a pair of similar cylinders when the ratio of the heights is 1:3? i don't understand this at all!!
  20. math

    Assume x and y have 5:3 profit sharing ratio respectivly and a new member enters by taking 1/5 from x and 1/3 from y.what will be the new ratio of the three people?
  21. Chemistry

    Q54 The ratio of the rate of diffusion of two gases is1:3 then ratio of the molecular wieght? Ans 9:1
  22. Simple ratio question but confused.

    This is ratio Question but i m not fimilar with this type of ratio . 1/3:x=1/3 Plz guide me some one .. I cam with answe 1/9* nee d help
  23. Math

    The incomes of Aslam, Babar and Rafeeq are in the ratio 2:3:5. If the increments of 15%,10% and 20% are allowed respectively in their salaries, then what will be new ratio of their income?
  24. accounting

    compute the working capital, current ratio, and quick ratio after each transaction for boole company
  25. math

    Lisa bought a tank for her hermit crab. The tank can hold 1,331 cubic inches of water and includes a top. The base of the aquarium is a square. The height of the acquarium is 11 inchew. A)What is the length of each side of the base of the tank? B)What
  26. Math

    The question is: Determine the surface area and volume of this cylinder, correct to one decimal point. The cylinder has a radius of 4 inches and the height is 3 yards. This site explains how to find the surface area and volume of a cylinder.
  27. Math

    A famous golfer tees off on a straight 390 yard par 4 and slices his drive to the right. The drive goes 280 yards from the tee. Using a​ 7-iron on his second​ shot, he hits the ball 180 yards and it lands inches from the hole. How many degrees​ (to
  28. Physics

    Two astronauts, each having a mass M are connected by a length of rope of length d have a negligible mass. They are isolated in space, orbiting their center of mass at an angular speed of ù0. By pulling on the rope, one of the astronauts shortens the
  29. math

    p. 84 no.10 (from Solid Mensuration: Understanding the 3D Space book by Earnhart) Plane A which contains an isoceles right triangle forms a dihedral angle of 60 degrees with another plane B. If the hypotenuse of the triangle lies in plane B and measures 8
  30. Math

    p. 84 no.10 (from Solid Mensuration: Understanding the 3D Space book by Earnhart) Plane A which contains an isoceles right triangle forms a dihedral angle of 60 degrees with another plane B. If the hypotenuse of the triangle lies in plane B and measures 8
  31. English

    I have to write a 5 paragraph comparison and contrast essay on Agamemnon, Hamlet, and The Love song of J. Alfred Prufrock. When writing this, do I compare all three stories at once in each paragraph as well as their differences in each of the 3 body
  32. english

    I have to write a compare and contrast essay for my Freshmen comp. class, the topic I chose is cockroaches VS. Beatles. Im not sure if this is risky, because i don't really know my professor, but i cant find another topic that i can successfully wright
  33. Math

    a pulley revolving at 250 revolutions per minute has a diameter of 8 inches. it is belted to a second pulley which revolves at 200 revolutions per minute. find the diameter of the second pulley
  34. Algebra

    An art student wants to make a model of the classroom. The length of the classroom is 2.4 times its width .The length of the students model is 42 in What should the width of the model be? My answer is 17.5 inches
  35. math

    Ellen needs to buy 180 inches of ribbon to wrap a large present the store sells ribbon only in whole yards how many yards does Ellen need to buy to have enough ribbon
  36. Math (Ms.Sue)

    A company wants to reduce the size of its logo by one fourth to use on the business cards.if the area o the original logo is 4 square inches what is the area of the logo that will be used on the business cards? PLEASE help!!
  37. Physics

    Hooke's law states that the distance, d, a string is stretched varies directly with the force, F, applied to the spring. If a force of 12 pounds stretches a spring 3 inches, how far will the spring stretch when a force of 30 pounds is applied?
  38. Alg 2

    The first term of a geometric sequence is 25, and the fourth term is 1\5. (a) Find the common ratio r. r = Find the fifth term. a5 = (b) Find the partial sum of the first eight terms. S8 =
  39. Calculus

    The sun is passing directly over an 80ft. tall building. The shadow is 60ft. long when the angle (theta) that the sun makes with level ground is increasing at the rate of .327 radians per minute. At what rate is the shadow decreasing. (express your answer
  40. Math

    Matthew is riding a ferris wheel at a constant speed of 2 revolutions per minute. The boarding height for the wheel is 1m, and the radius is 7m. a) What is the equation of the function that describes Matthew's Height in (m) in terms of time in minutes,
  41. Algebra

    If a pro basketball player has a vertical leap of 25 inches, what is his hang time? Use the hang time function V = T^2 Hang time is _________ seconds. Simplify the answer. Type an integer or a decimal Round to the nearest tenth. The answer I came up with
  42. English

    Hy everyone! I really need some help! I should compare Jane Austen's Sanditon with two other Austen novel: Lady Susan , and Emma. Can somebody give me some tips, how to do this? or can somebody find me some infos about the books? I should compare such
  43. Physics

    The best time to dig clams is when the low ocean tide is lowest (when you have the lowest possible tides). This occurs when the moon is full half full moon quater moon actually all low tides are about the same
  44. Accounting/Financing

    I am so weak at this new class I started no matter how many times I read my textbook, I cannot understand how to calculate ratios can someone please show me or guide me how to work these problems, I would really appreciate it, thank you please help me..
  45. Chemistry

    A laboratory technician is required to prepare a quarter normal saline solution (0.22% w/v) from the stock normal saline solution. 1. What is the dilution factor required? I have 4-fold dilution - is that correct? 2. Ise this dilution factor to calculate
  46. help hexagon geometry

    A regular hexagon is inscribed in a circle and another regular hexagon is circumscribed about the same circle. What is the ratio of the area of the larger hexagon to the area of the smaller hexagon? Express your answer as a common fraction. How is this
  47. math

    Melissa and her friends are stretching rubber bands for an activity in class. Melissa stretched her elastic to 10 inches. Juan stretched it 3 1/2 times as far. Sara stretched it 4/4 as far. Marsha stretched it 2/5 as far. Put the students in order of how
  48. Physics Problem; CONVERSIONS

    PLEASE HELP ME SOLVE !!!! InMay 1998, forest fires in southernMexico and Guatemala spread smoke all the way to Austin. Those fires consumed forest land at a rate of 26900 acres/week. On the average, how many square meters of forest are burned down every
  49. physics

    PLEASE HELP ME SOLVE !!!! InMay 1998, forest fires in southernMexico and Guatemala spread smoke all the way to Austin. Those fires consumed forest land at a rate of 26900 acres/week. On the average, how many square meters of forest are burned down every
  50. Physics Problem; CONVERSIONS

    PLEASE HELP ME SOLVE !!!! InMay 1998, forest fires in southernMexico and Guatemala spread smoke all the way to Austin. Those fires consumed forest land at a rate of 26900 acres/week. On the average, how many square meters of forest are burned down every
  51. Geometry

    Need help finding dimensions of a triangular prism. It has a volume of 900 cubic inches. Two of the dimensions are consecutive even numbers. Two of the dimensions are multiples of 5. All the dimensions are less than 16, but greater than 6. All lengths are
  52. Algebra

    I am thinking of a number.It is a multiple of 3 but not 6.It is greater than 25^2 but less than 30^2.The units digit is a perfect square and the sum of the other two digits is the square root of 81. What is my number? A three-dimensional model of a city
  53. Physics

    A 55.0 kg ice skater is moving at 4.04 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. She then moves in a circle of radius 0.795 m around the pole. (a) Determine the force exerted by the horizontal rope on her
  54. surface area and volume

    The diameter of two cones are equal if their slant height are in the ratio 5:4, find the ratio of their curved surface area
  55. physics

    there are two wires of same material.their radii and length are both in the ratio 1:2.if the extensions produced are equal, what is the ratio of the load ? ans: 1)1:2
  56. Algebra

    If the angles of triangle are in the ratio of4:1:1then find the ratio in the smallest side / perimeter of the tringle
  57. Math 8 - HELP!!!!!

    Ratio, Proportions, and Similarity Similar Figures A room is 36 ft long and 18 ft wide. What is the length to width ratio?
  58. Chemistry

    Water is added to 4.267 grams of UF6. The only products are 3.730 grams of a solid containing only uranium, oxygen and fluorine and 0.970 gram of gas. The gas is 95.0% flourine, and the remainder is hydrogen. From data determine the empirical formula of
  59. chemistry

    Water is added to 4.267 grams of UF6. The only products are 3.730 grams of a solid containing only uranium, oxygen and fluorine and 0.970 gram of gas. The gas is 95.0% flourine, and the remainder is hydrogen. From data determine the empirical formula of
  60. PHYSICS 111

    A 37.5-kg child swings in a swing supported by two chains, each 3.05 m long. The tension in each chain at the lowest point is 433 N. the force of the seat on the child is 498.5 N. b)Find the force exerted by the seat on the child at the lowest point.
  61. Physics 111 PLEASE HELP ASAP

    A 37.5-kg child swings in a swing supported by two chains, each 3.05 m long. The tension in each chain at the lowest point is 433 N. the force of the seat on the child is 498.5 N. b)Find the force exerted by the seat on the child at the lowest point.
  62. applied maths inarchitecture technology

    ig the area ratio for two similar rectangular plots is 1/25, what is the ratio of their lengths
  63. Geometry

    If the ratio of the areas of two similar hexagons is 4:49, find the ratio of their apothems
  64. Algebra

    If the ratio of x+y to x−y is 11/4, then the ratio of y to x can be written as a/b where a and b are coprime positive integers. Find a+b .
  65. geometry

    The ratio of the areas of two similar trapezoids is 1:9. What is the ratio of the lengths of their altitudes?
  66. geomatry

    Prove algebraically that the ratio of perimeters of two triangles is 1:4 if the ratio of their corresponding sides is 1:4
  67. math

    In a pair of similar rectangles, the ratio of the widths Is 3:4. What is the ratio of the lengths?
  68. math

    the ratio of the areas of two squares is 9:4. the ratio of their perimeters is (please explain in detail)
  69. Geometry

    If the ratio of the areas of two similar rectangles is 100/81, then what is the ratio of the perimeters?
  70. Math Check

    Can someone check this for me? Thanks! Directions: Two integers from 1 through 40 are chosen by a random number generator. Write your answer as a fraction in simplest form a/b. P(both numbers are less than 30) (my answer: 9/16)
  71. Calc Help Please Again Last one!

    Write out the form of the partial fraction decomposition of the function appearing in the integral: integral (6x-58)/(x^2+2x-63) Determine the numerical values of the coefficients, A and B, where A
  72. math

    If Nefertiti could pronounce her name in six tenths of a second. At that rate, how many times could she pronounce her name in 15 seconds? (write and solve a fraction division problem to answer the question)
  73. math

    You roll a number cube twice. Find P (even, then not 2). Write the probability as a fraction in simplest form. I'm fully clueless to the answer to this question. Can someone please help me out? Thanks Very Much and need the answer A.S.A.P!
  74. math

    A truck driver drive 49 miles in 1 1/3 hours. What was the average speed in miles per hour for this trip? Write the answer as a mixed fraction.
  75. 5th grade

    We are working on Fractions, mixed numbers and decimals. the problem says - write each decimal as a fraction or mixed number in simplest form... 0.7 or 0.08 ....ugg HELP
  76. 6th Grade Probability

    You roll a number cube twice. Find P (even, then not 2). Write the probability as a fraction in simplest form. I'm fully clueless to the answer to this question. Can someone please help me out? Thanks Very Much and need the answer A.S.A.P!
  77. Algebra 2

    An equilateral triangle with side length 2" will have a height of square root 3 inches. A yield sign is an equilateral triangle with perimeter of 5 ft. To the nearest inch, what is the height of the yield sign?
  78. calculus 2

    Six and one-half foot-pounds of work is required to compress a spring 3 inches from its natural length. Find the work required to compress the spring an additional one-half inch.
  79. Math

    A mall charges 25pesos for the first hour or a fraction of an hour as parking fee. An additional 25pesos is charged for every additional hour, or a fraction of an hour of parking. The parking area operates from 7A.M. to 12 midnight every day. a. Write a
  80. Math

    A contractor is building a rectangular walkway 3 1/3ft wide by 35ft long using square cement pavers. Each paver has an area if 4/9ft^2. What is the least number of pavers he needs to make the walkway? Can someone explain?
  81. algebra

    the ancient greeks thought that the most pleasing shape for a rectangle was one for which the ratio of the length to the width was approximately 8 to 5, the golden ratio. if the length of a rectangular painting is 2 feet longer than its width, then for
  82. Math

    You are making poster board boundary markers in the shape of square pyramids for a relay race. If you are including a 10-inch square as the bottom and you want the slant height to be 12 inches, how much poster board do you need? A: 340 inch B: 360 inch C:
  83. Algebra

    Window World, Inc. is responsible for designing windows for the expansion of the campus chapel. The current design is shown in the figure. The metal trim used to secure the perimeter of the frame is 126 inches long. If the maximum window area is desired,
  84. Organic chemistry

    Write contributing (important) resonance structures for each of the following compounds and predict their relative C=O vibrational frequencies based on the importance of the contributing resonance structures. List in them order from highest to lowest
  85. Algebra 2 A

    Franco is adjusting a satellite because he finds it is not focusing the incoming radio waves perfectly. The shape of his satellite can be modeled by mc024-1.jpg, where x and y are modeled in inches. He realizes that the static is a result of the feed
  86. physics question (with more information)

    You are a 70kg astronaut floating at rest in zero gravity holding your laptop. Your hard drive turns on (increasing from 0 to 5400 rpm). Approximate yourself as a uniform sphere of radius 30cm. How fast do you spin in rad/s? The hard drive is an aluminum
  87. Algebra

    One base of trapezoid AGIE is four less than three times the other shorter base. The height of the trapezoid is one half of the shorter base. The area of the trapezoid is 210 square inches. Find the lengths of the bases and the height.
  88. basic geometry

    The length of a rectangular picture is seven iches longer than the width. Find the length and the width if the perimeter of the picture is 62 inches. 2L+2w=62 2L+2w+7=62 4L+7 =62 4L=7+62 4L=69 4L=69/4 2L+2w=62 You are ok to here. length is 7" longer than
  89. algebra 2

    The width of a rectangle is 3ft less than the length, the area is 4ft^2 find the length and width
  90. algebra

    The width of a rectangle is 3ft less than the lenght. The area is 4ft^2. Find the lenght and the width
  91. math

    Mrs. Marcincavage allowed each student in her math class to drop the lowest of their five test scores. When Matthew dropped the lowest of his test scores, a 60, his test average increased by 5 points. What is Matthew’s new test average?
  92. Math

    Mrs. Marcincavage allowed each student in her math class to drop the lowest of their five test scores. When Matthew dropped the lowest of his test scores, a 60, his test average increased by 5 points. What is Matthew’s new test average?
  93. Analytical Chemistry

    Phosphoric acid is a triprotic acid with the following pKa values: pka1: 2.148 pka2: 7.198 pka3: 12.375 You wish to prepare 1.000 L of a 0.0100 M phosphate buffer at pH 7.45. To do this, you choose to use mix the two salt forms involved in the second
  94. Math

    I really do not want to fail this project, could anyone please help me understand this and go through step by step with me? Thank you so much. Modern Design magazine is having a contest to design the best ice cube in one of three shapes¡Xa cube, a sphere,
  95. Physics

    A 54.9-kg ice skater is moving at 4.09 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. She then moves in a circle of radius 0.803 m around the pole. (a) Determine the force exerted by the horizontal rope on her
  96. Math

    1. Find the sum of the first five terms of the sequence 2/3, 2, 6, 18, ..... My answer is 242. Am I right? 2. Which of these two sequences form a geometric sequence: 2x, 4x-2, 6x-4, ..... OR x+1, 2x+2, 5x+1, .....? Find the value/s of x and what is the
  97. math

    Simplify each expression blow: (a). 18.5 - (4.8 + 0.2)² + 4.1  2= (b). 11.35 + (0.2  3.5 )² - 3.7= ©. On a business trip, Jason bought the following amounts of gasoline: 15.4, 12.2, 13.8, and 10 gallons (gal). How much gasoline did he purchase on
  98. chemistry

    I need to calculate the pressure exerted by the hydrogen in an eudiometer for a weighing by redox lab. mass of Mg: .021 g temp: 295K barometric pressure: 29.87 inches Hg volume of H2 gas: the difference between tiop water level in eudiometer = 322 mm the
  99. chemistry

    I need to calculate the pressure exerted by the hydrogen in an eudiometer for a weighing by redox lab. mass of Mg: .021 g temp: 295K barometric pressure: 29.87 inches Hg volume of H2 gas: the difference between tiop water level in eudiometer = 322 mm the
  100. Calculus

    The police department must determine a safe speed limit on a bridge so that the flow rate of cars is at a maximum per unit time. The greater the speed limit, the farther apart the cars must be expected to be in order to allow for a safe stopping distance.