1. Math

    Sarah's mother has a miniature village model after her hometown. the worth is 10 feet long and 7 feet wide. the actual is 7 miles long. what is the village's actual width? if necessary, round to the nearest tenth of the mile. A. 4.9**** B. 10 C. 1 D. 0.7

    asked by Anonymous on November 23, 2018
  2. math - trig

    A submersible traveling at a depth of 250 feet dives at an angle of 15º with respect to a line parallel to the water’s surface. It travels a horizontal distance of 1500 feet during the dive. What is the depth of the submersible after the dive?

    asked by Shelley Nicole on December 12, 2013
  3. Algebra

    The maximum velocity of a roller coaster depends on the vertical drop from the top of the highest hill to the bottom of that hill. The formula v = 8 gives the relationship between maximum velocity, v (in feet per second), and height, h (in feet). I have

    asked by Babydoll07 on November 2, 2014
  4. math

    Jumping spiders can commonly be found in homes and barns throughout the United States. A jumping spider's jump can be modeled by the equation h = 33.3t - 16t2, where t represents the time in seconds and h is the height in feet. When is the spider's height

    asked by chelsea brown on November 30, 2011
  5. expressions

    A tank is filling with water from a natural spring. two days ago the water was 10 feet deep. yesterday the water was 12 feet deep. Assume that the water depth continues to rise at the same rate after today. How do you write this expression

    asked by Anonymous on May 25, 2013
  6. Algebra

    The path of a football thrown by a quarterback can be modeled be the equation y=-0.04x^2+4x+5 where x is the horizontal distance in feet and y is the corresponding height in feet.find the interval on which the height is increasing.what is the average rate

    asked by Anonymous on April 27, 2017
  7. math

    You are playing volleyball. You hit the volleyball with an initial vertical velocity of 15 feet per second when it is 4 feet above the ground. Find how many seconds it takes to reach the maximum height, the maximum height reached, and the time the object

    asked by stefani on August 31, 2013
  8. Physics

    2. An 8 lb weight attached to a spring exhibits simple harmonic motion. Determine the equation of motion if the spring constant is 4 lb/feet and the weight is released 4 inches above the equilibrium position with an upward velocity of 3 feet/sec.

    asked by sajja sai sravanth on October 6, 2018
  9. College Math

    Use the functions to find the stopping distance on wet pavement and dry pavement for a car traveling at 55 MPH.Identify the graph for each stopping distance.Explain how well your answers to item 1 model the actual stopping distances shown in Figure 3.41 on

    asked by Anonymous on March 9, 2011
  10. Chemistry

    Heat is... a). a measure of temperature. b). a measure of the change in temperature. c). a measure of thermal energy. d). a measure of thermal energy transferred between two bodies at different temperature. Why?

    asked by Ayla on April 21, 2018
  11. chemistry

    At room temperature (25 °C), the gas ClNO is impure because it decomposes slightly according to the equation 2ClNO(g) Cl2(g) + 2NO(g) The extent of decomposition is about 4%. Based upon this, the approximate value of ΔG°298 for the reaction at that

    asked by annoymous on November 18, 2015
  12. Applied Calculus

    If an object is launched straight up into the air from a starting height of h_{0} feet, then the height of the object after t seconds is approximately h=-16t^2+v_{0}t+h_{0} feet, where v_{0} is the initial velocity of the object. Find the starting height

    asked by Trisha on April 8, 2012
  13. Applied Calculus

    If an object is launched straight up into the air from a starting height of h_{0} feet, then the height of the object after t seconds is approximately h=-16t^2+v_{0}t+h_{0} feet, where v_{0} is the initial velocity of the object. Find the starting height

    asked by Trisha on April 8, 2012
  14. Math

    If an object is launched straight up into the air from a starting height of h_{0} feet, then the height of the object after t seconds is approximately h=-16t^2+v_{0}t+h_{0} feet, where v_{0} is the initial velocity of the object. Find the starting height

    asked by Trisha on April 8, 2012
  15. algebra

    Height difference. A red ball and a green ball are simultaneously tossed into the air. The red ball is given an initial velocity of 96 feet per second, and its height t seconds after it is tossed is 16t2  96t feet. The green ball is given an initial

    asked by joyce on July 23, 2010
  16. Algebra

    Height difference. A red ball and a green ball are simultaneously tossed into the air. The red ball is given an initial velocity of 96 feet per second, and its height t seconds after it is tossed is -16t2 + 96t feet. The green ball is given an initial

    asked by Debbie on February 27, 2009
  17. physics

    To get off a frozen frictionless lake, a 70.0 kg person takes off a 0.150 kg shoe and throws it horizontally directly away from the shore with a speed of 2.00 m/s. If the perrson is 5.00 m from the shore, how long does it take for her to reach it?

    asked by Anonymous on February 12, 2010
  18. science

    Which of the following would result in the greatest erosion? A) creek flowing down a hill B) water sitting in a lake C) rain soaking into the ground D) large river flowing down a mountain

    asked by miki on September 12, 2011
  19. Physical Science: PLEASE HELP!!!!!

    A wooden raft 3 m long x 2 m wide x 20 cm thick floats on a freshwater lake. A) Determine the buoyant force? B) If the raft itself has a mass of 600 kg, how many 65-kg people could it support?

    asked by Kendra on February 23, 2012
  20. Living Environment

    Could someone please explain what biomass means? Does it just mean how much energy an organism has? http://en.wikipedia.org/wiki/Biomass thanks, Lance!='} what is increased amounts of nitrogen and phosphorus in a lake

    asked by brie on April 29, 2007
  21. chemistry

    Lakes that have been acidified by acid rain can be neutralized by liming, the addition of limestone (CaCO3). How much limestone in kilograms is required to completely neutralize a 5.8×109 L lake with a pH of 5.6? thanks

    asked by amy on December 4, 2010
  22. physics

    A 100Kg stone is dragged 15m over a frozen lake. If the coefficient of friction between the stone and the ice is 0.1 and the whole process takes 8 seconds, how much work is done and how much power is required?

    asked by Gazza on June 12, 2011
  23. Physical Science

    A wooden raft 3 m long x 2 m wide x 20 cm thick floats on a freshwater lake. A) Determine the buoyant force? B) If the raft itself has a mass of 600 kg, how many 65-kg people could it support?

    asked by Jessica on February 21, 2012
  24. Physics please help!!

    You are walking at 4.40 km per hour across a frozen lake in the snow. You do not realize that with each step you turn 0.40 degrees to your right. If your step length is 58.0 cm what is the diameter, in meters, of the circle that you are inadvertently

    asked by archi on October 1, 2011
  25. taxation

    On February 12, 2002, Nancy Trout and Delores Lake formed Kingfisher Corporation to sell fishing tackle. Pertinent information regarding Kingfisher is summarized as follows:

    asked by larry on September 22, 2016
  26. physics

    A large stone is dragged 15m over a frozen lake. If the coefficient of friction between the stone and the ice is 0.1 and the whole process takes 8 seconds, how much work is done and how much power is required?

    asked by Gazza on June 12, 2011
  27. Physics HELP

    When the pressure P of a fixed mass of gas is inversely proportional to its volume V at constant temperature. (Where mass and temperature are constant) When volume is increased, the distance between the walls of the container is ?. This causes the average

    asked by Timu on June 5, 2016
  28. physics

    A metal ball of mass 1.8 kg with initial temperature of 46.5 C is dropped into a container of 3 kg of water at 15 C. If the final temperature is 22.6 C, what is the specific heat of the metal? metal = ____ J/kg*C?

    asked by john on May 4, 2014
  29. Physics

    Three moles of an ideal monatomic gas are at a temperature of 396 K. Then 2438 J of heat is added to the gas, and 897 J of work is done on it. What is the final temperature of the gas?

    asked by Carl on November 19, 2013
  30. Physics

    Three moles of an ideal monatomic gas are at a temperature of 396 K. Then 2438 J of heat is added to the gas, and 897 J of work is done on it. What is the final temperature of the gas?

    asked by Help Please on November 20, 2013
  31. Physics

    Three moles of an ideal monoatomic gas are at a temperature of 345 K. Then, 2917 J of heat are added to the gas, and 1140 J of work are done on it. What is the final temperature of the gas?

    asked by Adwait on April 21, 2015
  32. Phyics

    Three moles of an ideal monatomic gas are at a temperature of 396 K. Then 2438 J of heat is added to the gas, and 897 J of work is done on it. What is the final temperature of the gas?

    asked by Carl on November 19, 2013
  33. math

    One day the temperature in a state is 34 degrees at​ 6:00 A.M. It rises 15 degrees by​ noon, but falls 59 degrees by midnight when a cold front moves in. What is the final​ temperature

    asked by jeannie sawyer on August 25, 2018
  34. Physics

    A 53m long steel beam is used to construct the roof of an arena. The beam is installed during the winter when the temperature is -5.0 C. By how much will the beam lengthen in the summer when the temperature reaches 40.0C?

    asked by Dorrito on December 8, 2011
  35. chemistry

    a car tyre pumped in the morning at 10°C to a pressure of 0.2N per mm²,increases in pressure as temperature rises. If the temperature is18°C,whatis the new pressure,the volume is constant.

    asked by Anonymous on October 18, 2018
  36. maths

    The temperture of a mixture decrease at the rate of 1degree per 30 mins the twmperature of mixture at 3oclock was 5degree At what time will the temperature be 3degree below zero ? What will be the temperature of mixture at 6oclock?

    asked by ibanrihun on May 8, 2017
  37. social studies

    Which city is northwest of Salt Lake City?

    asked by jaazaniah on October 9, 2012
  38. Physics

    How long would it take a kettle with a 1kW heating element to heat 1 litre of water? Watts = Joules / second • Mass of 1 litre of water = 1kg • 1 kW = 1 k Joule / second or 1000 joules/ second • 1g of water needs 4.184J to raise the temperature by

    asked by Paul on December 15, 2010
  39. math

    The Grand Canyon The time t (in seconds)that it takes for an object to fall a distance of s feet is given by the formula t= radical symbol s/4 In some places, The Grand Canyon is one mile (5,280 feet) deep. How long would it take a stone dropped over the

    asked by jennifer on October 15, 2008
  40. Trig - Ferris Wheel

    A ferris wheel is 250 ft in diameter and revolves every 40 second when in motion. You step up to the seat on the wheel at the bottom 2 feet about the fround so you are sitting 4 feet about the ground at start. Derive the formula for the height of your seat

    asked by Anthony Gonzalez on February 13, 2007
  41. Calculus

    The velocity of an object is given by v(t)=t(t^2-1)^(1/3) feet per second. Find the total number of feet traveled by the object in the time interval [0,3] seconds. I understand how to solve the problem, but I do not understand why is the interval now from

    asked by Mike on March 11, 2017
  42. complex fraction

    A lawn company advertise that they can spread 7,500 square feet seed in 2.5 hours. Find the number of square feet of grass seed that can be spread per hour.

    asked by Regan on February 27, 2014
  43. math

    A farmer needs to fence a rectangular piece of land.She wants the length of the field to be 55 feet longer than the width. If she has 1310 feet of fencing material, what should be the length and the width of the field?

    asked by stephanie on January 24, 2013
  44. pre calculus

    How many gallons of gas is in a cylindrical tank (that is laying on it’s side, the circular bases are vertical, the diameter of the bases are 5 feet, the length of the tank is 8 feet, the gas is at a 2 ft level)?

    asked by Anonymous on December 8, 2012
  45. Geometry

    a cat is stuck 15 feet up in a tree.to get it down,you will place a ladder 5 feet from the base of the tree.how tall must your ladder be in order to reach the cat? Round to the nearest foot

    asked by Lessley on January 16, 2013
  46. Math

    A room has dimensions 10 feet by22 feet and needs wall to wall carpeting. The store charges $61 per square yard to install the rug. How much will it cost to install the rug?

    asked by Cherl on January 22, 2017
  47. calculus

    How many gallons of gas is in a cylindrical tank (that is laying on it’s side, the circular bases are vertical, the diameter of the bases are 5 feet, the length of the tank is 8 feet, the gas is at a 2 ft level)?

    asked by Ann on December 9, 2012
  48. MATH

    I HAVE A GARDEN THE WIDTH OF MY GARDEN IS 8FT LONGER THAN THE LENGHT OF IT ARUOUND THE GARDEN I HAVE A 4 FEET WIDE SIDEWALK. THE AREA OF THE SIDEWALK IS ABOUT 320 FEET SQUARE, WHAT ARE THE DIMENSIONS OF MY GARDEN

    asked by NANCY on August 6, 2009
  49. trig

    the height of a projectile is modeled by the equation y=-2x^2+38x+10, where x is a time, in seconds, and y is height, in feet, During what interval of time, to the nearest tenth of a second, is the projectile at least 125 feet above ground

    asked by nate on December 10, 2010
  50. Intermediate Algebra

    An airplane ascends 150 feet as it flies a horizontal distance of 1000 feet. How much altitude will it again as it flies a horizontal distance of 1 mile. (hint: 5280=1mile.)

    asked by ASCC on April 24, 2015
  51. math

    A sheet of cardboard measures 9 feet by 6 feet. Gina makes the entire sheet of cardboard into a closed box that is a perfect cube. What is the surface area of the box?

    asked by annette on January 24, 2013
  52. Math

    Paul wants to plant seeds in his circular vegetable garden that has a diameter of 20 feet. Each bag of seeds cover 10 feet^2. How many bags will he ned to cover his entire garden?

    asked by Anonymous on April 4, 2016
  53. Math

    Two points A and B are on opposite sides of a building. A surveyor selects a third point C to place a transit Point C is 47 feet from point A and 64 feet from point B. The angle ACB is 56 degrees. How far apart are points A and B?

    asked by Sarah on May 3, 2009
  54. Math

    Given 1 mile=1760 yards convert 6,688 yards to miles. Now convert it to feet I know I've asked this already but I couldn't find the post to check. 3.7 miles and 20064 feet

    asked by Jerald on October 28, 2013
  55. trigonometry

    a flagpole 25 feet high stands on the top of a tower, which is 105 feet high. at what distance from the base of the tower will the flagpole subtend an angle of 3 degrees, 20 minutes?

    asked by Cathy on October 11, 2012
  56. Math

    Logan puts a wallpaper border along the top edge of the Four Walls of a rectangular room the room is 10 feet long and 12 feet wide if there are no breaks in the Border how long is it?

    asked by Kayla on September 27, 2016
  57. Math

    You use a scale of 1 inch equals 280 feet to build a model of the great pyramid of guys that the width of the base of the pyramid is 756 feet what is the width of your model

    asked by Anna on January 14, 2019
  58. Trig

    Right triangle PQR with the right angle at Q has one side measuring 46 feet and the hypotenuse measuring 54 feet. Find the other side as a radical in simplified radical form and to the nearest tenth.

    asked by Samantha on May 7, 2017
  59. Math

    You want to find the total amount of water in a storage tank that measures 2 ft by 4 ft by 3 feet. Which of the following expressions could be used to find the measure of the tank capacity in cubic feet? a. 2x4x3 b. 2+2+4+4+3+3 c.(2x4x3)x2 d.(2+4)x3

    asked by Holly on August 20, 2012
  60. math

    one gallon of paint will cover 200 squar feet of wall. the room has walls 7.5 feet high. what is the greatest lengh of wall that can be covered by one gallon of paint?

    asked by dylan lopez on April 2, 2013
  61. math

    Building a rectangular sandbox for younger brother. The length. Is 1 foot longer than twice the width of the sandbox. The perimeter of the sandbox is 29 feet what equation could be used to determine the w, the width, in feet, of the sandbox?

    asked by gb on February 11, 2015
  62. math

    On a sunny day, a 6-foot man casts a shadow that is 11 feet long. The shadow of a nearby oak tree is 66 feet long. Find the height of the tree.

    asked by javion on January 8, 2018
  63. Math

    9.)Which hill described in the table is the steepest? Explain.' (Table) Street Horizontal Distance (ft) Vertical Rise Dixie Hill 60 20 Bell Hill 60 40 Liberty Hill 60 30 A.)Bel Hill; it rises 2/3 ft for every 1 food of horizontal travel. B.)Dixie Hill; it

    asked by #FreeGucci on April 13, 2016
  64. Chemistry

    1. A gas initially at 10 C must be changed to _____ C to triple the pressure. 2. When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to -20000 K. According to the Clausius

    asked by Joan on April 23, 2009
  65. physics-kinetic theory

    A glass bulb with radius 15 cm is filled with water vapor at a temperature of 500 K. On the exterior of the bulb a spot with area 2.0 mm^2 is placed in contact with liquid nitrogen. This causes the temperature of the spot to drop well below 0◦C. When the

    asked by sand on May 25, 2012
  66. chemistry/physics

    A glass bulb with radius 15 cm is filled with water vapor at a temperature of 500 K. On the exterior of the bulb a spot with area 2.0 mm^2 is placed in contact with liquid nitrogen. This causes the temperature of the spot to drop well below 0◦C. When the

    asked by sand on May 24, 2012
  67. physics

    A glass bulb with radius 15 cm is filled with water vapor at a temperature of 500 K. On the exterior of the bulb a spot with area 2.0 mm^2 is placed in contact with liquid nitrogen. This causes the temperature of the spot to drop well below 0◦C. When the

    asked by sand on May 22, 2012
  68. physics

    A glass bulb with radius 15 cm is filled with water vapor at a temperature of 500 K. On the exterior of the bulb a spot with area 2.0 mm^2 is placed in contact with liquid nitrogen. This causes the temperature of the spot to drop well below 0◦C. When the

    asked by sand on May 24, 2012
  69. physics

    A glass bulb with radius 15 cm is filled with water vapor at a temperature of 500 K. On the exterior of the bulb a spot with area 2.0 mm^2 is placed in contact with liquid nitrogen. This causes the temperature of the spot to drop well below 0◦C. When the

    asked by sand on May 27, 2012
  70. chemistry

    A glass bulb with radius 15 cm is filled with water vapor at a temperature of 500 K. On the exterior of the bulb a spot with area 2.0 mm^2 is placed in contact with liquid nitrogen. This causes the temperature of the spot to drop well below 0◦C. When the

    asked by sand on May 24, 2012
  71. Math

    The temperature at noon in Los Angeles on a summer day was 88°F. During the day the temperature varied from this by this much as 7.5°F. Write and solve an absolute value inequality to find the range of possible temperatures for that day?

    asked by Madison on January 28, 2017
  72. Physics Help

    A circular pond of radius 12 m has a layer of ice 0.25 m thick. On a spring day, the temperature of the water below the ice is 4.0°C and the temperature of the air above is 11°C. What is the rate of heat transfer through the ice, in kW?

    asked by Alexandra on October 28, 2014
  73. Physics

    A circular pond of radius 12 m has a layer of ice 0.25 m thick. On a spring day, the temperature of the water below the ice is 4.0°C and the temperature of the air above is 11°C. What is the rate of heat transfer through the ice, in kW?

    asked by Alexandra on October 27, 2014
  74. Science

    IF 8.5g of KOH powder are placed in 100g of water at room temperature of 20degree Celsius, what is the final temperature of the solution. KOH K+OH H=-57.61 KJ/MOL KOH

    asked by Meena on October 7, 2017
  75. nats

    The Earth receives radiation from the Sun as if the Sun is a blackbody emitter at the temperature near 6000 K, although the temperature inside the Sun is about 15 million K. Explain why?

    asked by Anonymous on October 4, 2017
  76. Math

    There is a picture of a square - BCAD, and then there is a triangle EAD. B. E C A. D FIGURE NOT DRAWN TO SCALE In the figure above, the perimeter of the equilateral triangle AED IS 6. What is the area of the rectangle ABCD? A) 6 B) 4 C) 4 radical 3 D) 3

    asked by Jessica on December 30, 2017
  77. estimate

    Estimate the following products or quotients.17 11/12 ÷ 6 1/10 215/12*10/61 1,075/366 2.93715847 or 2.94 I actually wonder if they want you to estimate it BEFORE you figure it out. 17 11/12 is close to 18. So let's call that 18. 6 1/10 is close to 6 So

    asked by carmen on March 17, 2007
  78. Math

    An object is heated to 90 degrees Celcius and is then allowed to cool in a room whose air temperature is 25 degrees celcius. If the temperature of the object is 75 degrees celcius after 10 minutes, when will its temperature be 50 degrees celcius?

    asked by Hannah on November 22, 2010
  79. Math

    The temperature was 16 Celsius when Becky returned home at 6pm. The temperature was 4 celcius warmer at 3pm than it was at 6pm. It was 3 celcius warmer at 12pm than it was at 3pm. What was the temperature at 12pm?

    asked by Sherri on April 3, 2019
  80. College Math II

    If a ball is tossed into the air from a height of 6 feet with a velocity of 32 feet per second, then its altitude at time t (in seconds) can be described by the function A(t) = - 16t^2 + 32t + 6. Find the altitude of the ball at 2 seconds. I am having

    asked by Lori on November 21, 2009
  81. math

    there are markers every 1000 feet along the side of a road. While driving, Mai passes marker number 15 at 10:05 and marker number 39 at 10:11. find mai's average speed feet per minute. use dimensional analysis to check the reasonableness of your answer.

    asked by anonymous on January 6, 2015
  82. diameter

    The famous rotunda of the Capital Bldg has a floor that is 96 feet in diameter. A marble restoration company charges $40 per sq. yard for its services. How much would it cost to restore the entire floor in the rotunda? My answer 96 feet in diameter C=πd

    asked by Elaine on May 1, 2016
  83. Math

    The four bases of a baseball diamond form a square 90 feet on a side. The shortstop,S, is in a position that is 50 feet from second bases and forms a 15 degree angle with the base path as shown. Find the distance between the shortstop and first base to the

    asked by Joline on April 11, 2010
  84. algebra

    a rancher has 310 feet of fencing with which to enclose two rectangular corrals, both of the same size. the two corrals will share one side, and a barn forms one side of both corrals. suppose the width of each corral is X feet. express the total area of

    asked by amber on September 5, 2012
  85. algebra

    A ball is dropped from a height of 30 feet and allowed to bounce until it comes to arrest each time the ball bounces it rebounds to 3/5 of its previous high after which bounce is the boss hi 10.8 feet. I understand the height gets shorter but is there a

    asked by Kayla on January 24, 2017
  86. Science

    Minerals make up most of the rocks on Earth's surface. What are three changes that can cause minerals to form by metamorphism? pressure, temperature, melting temperature, melting, physical makeup temperature, pressure, chemical makeup pressure, physical

    asked by Nour on July 28, 2015
  87. Science

    Table 1: Temperature and volume data Trial Temperature (Celsius) Volume (mL) Starting Volume Room Temperature = Hot Water Trial 1 107 5.6ml Hot Water Trial 2 108.3 5.4ml Cold Water Trial 1 lo 4.4ml Cold Water Trial 2 lo 4.4ml PLOT AREA (Insert a graph that

    asked by ThuyD on January 30, 2012
  88. Physics

    Consider a bimetallic strip consisting of a 0.6-mm-thick brass upper strip welded to a 0.6-mm-thick steel lower strip. When the temperature of the bimetallic strip is increased by 83 K, the unattached tip deflects by 3 mm from its original straight

    asked by Oscar on November 26, 2010
  89. Geometry

    Let's say a company is manufacturing juice boxes that are rectangular prisms with dimensions 4 inches by 3 inches by 4 inches. The company has a warehouse whose dimensions are 40 feet by 30 feet by 20 feet. If the company makes 200,000 juice boxes, will it

    asked by Jacob on December 5, 2013
  90. Science

    I'm having another problem. These multiple choice questions confuse me. Can you please help again. The density of seawater is either greater than freswater, increases with increasing depth in the oceans, changes with changing temperature, increases with

    asked by Pat on December 8, 2006
  91. History

    Who were the First Nations people living by Lake Huron? What was started to protest the signing of the Rebellion Losses Bill in the Parliament Buildings in Montreal? What is a colony that is governed directly by a king or queen in another country?

    asked by Alyssa on February 25, 2008
  92. english

    i have to take out embellishments, misquotations,false benefits and unethical tactics out of these sentence can some one help me 1.The service contract...on the whole...applied to upgrade. 2.All of our costs were within fair-guidelines. 3.Al the lots we

    asked by morgan on January 13, 2012
  93. Need help badly, Science

    Suppose the incident sunlight at ground level has a power density of 0.87 kW m−2 at noon. What is the maximum rate of loss of water from a lake of area 1.0 ha? (1 ha = 104 m2.) Assume that all the radiant energy is absorbed. any ideas on how do i get

    asked by Xavier on September 28, 2014
  94. Spanish

    Aside from its height, what else is Nevado Ojos del Salado known for? A. the pilgrimage that takes place there annually B. its extreme volcanic activity C. the highest lake in the world located near its peak*** D. its numerous ski resorts

    asked by Kaai97 on December 7, 2015
  95. Aplied maths

    1. A steel plate initially at 21.2°C is placed in a furnace at 785°C for 58.0 minutes. While in the furnace the temperature of the plate increases at a rate of 4.18% per minute. After 58.0 minutes, the plate is removed from the furnace and placed on a

    asked by DAVID on February 13, 2013
  96. Algebra

    Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets,

    asked by Vickie on March 1, 2012
  97. math

    Starting at point P, a fly moves 1 foot east, 2 feet west, 3 feet east, 4 feet west, and continues alternately making east and west moves, each time lengthening the distance by 1 foot. a. In relation to point P, where is the fly after 50 moves? b. Where is

    asked by Reed on February 8, 2012
  98. physics

    a weather balloon carries instruments that measure temperature,pressure and humidity as it rises through the atmosphere.Suppose such a balloon has a volume of 1.2 m^3 at sea level where the pressure is 1 atm and the temperature is 20 degree Celsius.When

    asked by jennaq on November 1, 2011
  99. chemistry

    An insulated beaker with negligible mass contains liquid water with a mass of 0.255{kg} and a temperature of 76.0{C} How much ice at a temperature of -19.9 C must be dropped into the water so that the final temperature of the system will be 32.2? Take the

    asked by dan on December 7, 2009
  100. Trig

    a smokestack is 190 feet high. a guy wire must be fastened to the stack 30.0 feet from the top. the guy wire makes an angle of 39.0deg with the ground. find the length of the guy wire

    asked by Struggler in math on October 21, 2015