1. algebra 1

    You work in the local mailroom at a college. One of your duties is to sort local mail from all of the other mail. You can sort 8 pieces of mail in 10 seconds. How many pieces of mail should you be able to sort in 45 minuets?
  2. Algebra 1

    You work in the local mailroom at a college. One of your duties is to sort local mail from all of the other mail. You can sort 8 pieces of mail in 10 seconds. How many pieces of mail should you be able to sort in 45 minuets?
  3. physics

    A rectangular block of ice 8 m on each side and 1.5 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. a) How high does the top of the ice block float above the water level? b) How many penguins of
  4. Science

    You have a block of ice with a mass of 6.12 . The volume of the water is 100L and the volume of water when the ice is in the water is 106.66L. I subtracted 100.00 and 106.66 to get 6.66L as the volume of the ice What I'm confused about is how to divide
  5. Science

    I need help on this letter. You do not have to give me full answers but if you do give me a full answer, I will use it but edit it into my own words. Now it is time to apply and share what you have learned so far about energy sources. After completing the
  6. English

    Read each sentence carefully, and then select the punctuation correction that must be made to that sentence. 1:This means that my in laws do not eat any of the following: meat, cheese, yogurt, or ice cream. A:Change the colon after following to a comma
  7. Chemistry

    Can someone walk me through how to work this I have no clue where to start. I have converted grams to moles and Celsius to kelvin but I don't know where to go from there. Thank you! A piece of dry ice (solid CO2, d = 0.900 g/mL) weighing 21.0 g is placed
  8. Math!

    On the train we had 41 different kinds of cookies. 3 different flavors of cocoa, and 122 candies. How many treats did we have in all?
  9. math

    Sam had 80 foreign stamps and local stamps. After giving away13of his foreign stamps and 10 local stamps, he had an equal number of foreign stamps and local stamps left. How many local stamps did he have in the beginning?
  10. Math

    Sam had foreign stamps and local stamps. After giving 1/4 of his foreign stamps and 11 local stamps, he had an equal number of foreign and local stamps. How many local stamps did he have in the beginning? I got 32 for the answer by guessing and checking
  11. health

    These could include a wellness center, a health food store, a grocery store that sells wholesome products, a vitamin store, your local gym, your doctor's office, or any other place that offers nutritional advice. Explain why you think they may or may not
  12. Physis

    The question: You are standing on a large sheet of frictionless ice and holding a large rock. In order to get off the ice, you throw the rock so it has velocity 11.9 m/s relative to the earth at an angle of 36.8∘ above the horizontal. If your mass is
  13. Calculus

    For any constant c, define the function f_c(x)= x^3+2x^2+cx. (a) Graph y = f_c(x) for these values of the parameter c: c = -1, 0, 1, 2, 3, 4. What are the similarities and differences among the graphs, and how do the graphs change as the parameter
  14. Calculus

    For any constant c, define the function f_c(x)= x^3+2x^2+cx. (a) Graph y = f_c(x) for these values of the parameter c: c = -1, 0, 1, 2, 3, 4. What are the similarities and differences among the graphs, and how do the graphs change as the parameter
  15. Math

    You are preparing mashed potatoes for Thanksgivings and the recipe calls for 6 ounces of cream cheese to be added to 1lb of mashed potatoes. What is the percent concentration of cream cheese in the final preparation (w/w)? My answer: 6 oz (30 gm/1 oz) =
  16. Jake

    If 142.38 g of l water at 21.7 degrees C is placed into a syrofoam cup with 174.36 g of ice at -27.5 degrees C what would be the final temperature of the entire contents at equilibrium? If it is partially frozen, how many g of the ice has melted? given
  17. chemistry

    at 20 C the vapor pressure of dry ice is 56.5 atm. if 32 g of dry ice is placed in an evacuated .25 l chamber at a constant temperature of 20 C will all the dry ice sublime
  18. chemistry

    at 20 C the vapor pressure of dry ice is 56.5 atm. if 32 g of dry ice is placed in an evacuated .25 l chamber at a constant temperature of 20 C will all the dry ice sublime
  19. business law

    Allied Corporation in Boston offers a job to Carol, who lives in Denver. Carol orally agrees to work for Allied for two years. She moves her family to Boston and begins work. Three months later, she is fired for no stated cause. She files a suit against
  20. Art

    Today, decisions in planning, selecting, and/or creating artwork for public display are made in the following way. Choices are: A. They are the decision of the artist B. by collaboration among the community, artist, and local government. C. They are the
  21. physics

    A revolutionary new diet advertises that one can lose weight simply by eating ice. When one eats ice,chemical energy in the body is used to melt the ice and then raise the temperature of the melted ice to the temperature of the body, 37 degrees
  22. AP Stats

    The belief that sugar causes hyperactivity is the most popular example of how people believe that food influences behavior. a. Many parents, witnessing the aftermath of cake and ice cream at birthday parties, attest to the relationship between sugar and
  23. Science

    The total amount of ice in the Greenland ice sheet is estimated to be 2.85 million cubic km. Assume the Earth's surface is 70% covered by ocean, and that the Earth's radius is 6300 km. How many meters would sea level rise if the entire Greenland ice sheet
  24. Bus Man

    How does the local, state, or national economy affect your business or place of work?
  25. world geography

    Why have the people of West Africa started to work at the local level to help their economies?
  26. Management

    How does the local, state, or national economy affect your business or place of work?
  27. Physics

    A dock worker applies a constant horizontal force of 79.0 N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 11.0 m in the first 6.00 s. What is the mass of the block of ice? Work done
  28. Chemistry

    A crystal of ice has a density of 0.917 g/cc. (a) What is the mass (in grams) of an ice crystal with a volume of 1.666 cm3 ? (b) What is the density of ice in kg/m3 ? (c) What is the volume (in mL) of an ice crystal that weighs 2250 mg? a)1.53 b)900 c)2 Im
  29. Statistic

    I am getting problems with my calculations. For the first part of the question I got 68 when I try another calculation I got 1. One of the method used was Degree of freedom =(r-1)(c-1). TABLE 12-7 The director of transportation of a large company is
  30. English

    Original sentence: The urgent care center offers a variety of services such as physician appointments, mental health, health education programs, and lab and X-ray work. My corrections: The urgent care center offers physician appointments, mental health
  31. Will Someone please respond! Chem

    How would i find the following? I just need an explanation. I'm stuck. I have many other questions like this and i need to know how to do them. The specfic heat of ice is 2.05 J/g. In a calorimeter, 10.0 g of ice melts at 0oC. The enthalpy of fusion of the
  32. Chemistry(explain Please)

    How would i find the following? I just need an explanation. I'm stuck. I have many other questions like this and i need to know how to do them. The specfic heat of ice is 2.05 J/g. In a calorimeter, 10.0 g of ice melts at 0oC. The enthalpy of fusion of the
  33. Science

    The avg moler heat capacities of ice and water are 37.8 and 75.6jmol-1 respectively and the enthalpy of fusion of ice is 6.012kjmol-1 the amount of heat required to change 10 gm of ice at -10°c to water at10°c would be
  34. Chem

    A student measures the following data regarding the heat of fusion of ice: 25.8 g ice at 0.0°C is placed into the calorimeter which contains 100.0 g water at 21.7°C. The final temperature comes to 1.5°C. The calorimeter has a heat capacity of 15.6
  35. Physics

    On a hot summer day, you've got nothing better to do than play with ice cubes. You are currently sliding a 75 gram Ice Cube up and down a basically frictionless slope. At the bottom of the slope, which is inclined at 30 degrees relative to the horizontal,
  36. Physics

    7.0 kilograms of ice at 0 0C and are melted to water at 0 0C. Find the increase in internal energy of the ice as it is melted to water at 0 0C. Use 3.33x 105 J for Lf of ice. Express your answers in calories.
  37. Physics

    25) A 75-g ice cube at 0 C is placed in 825g of water at 25 C. a) What is the final temperature of the mixture? b) If the final temperature is 0 C, then how much ice remains? c) change the ice's mass to 300g, and repeat the problem
  38. Physics

    To make ice cubes you fill am ice tray with 150g of water at 20°C. How much energy must be removed from the water to create ice cubes at a final temperature of -10C
  39. math

    The weights of ice cream cartons produced by a manufacturer are normally distributed with a mean weight of 10 ounces and a standard deviation of 0.5 ounce.(a) What is the probability that a randomly selected carton has a weight greater than 10.21
  40. Science

    A 40.0 g block of ice at -15 degrees C is dropped into a calorimeter (of negligible heat capacity) containing water at 15 degrees C. When equilibrium is reached, the final temperature is 8.0 degrees C. How much water did the calorimeter contain initially?
  41. Chemistry

    What total energy must be absorbed (from the environment) to change 1.00kg of ice at -30.0°C on a lake surface in February to water at 20.0°C in August? Add the following heats.. heat ice from -30 to OC melt ice at 0C heat water from 0C to 20C
  42. English

    Please check if my answer is correct... Identify the INCORRECTLY punctuated sentence. In softball, pitchers throw the ball underhand; in baseball, the ball is thrown overhand. • Ice hockey is played on a rink; but field hockey is played outdoors. •
  43. Chem help!!

    A rock salt (NaCl), ice, and water mixutre is used to make homemade ice cream. How many grams of rock salt must be added to lower the freezing point 10.0 degrees C? I have no idea what to do, please help! delta T = Kf*i*m delta T = 10. Kf is the molal
  44. Chemistry

    To treat a burn on your hand, you decide to place an ice cube on the burned skin. The mass of the ice cube is 10.9 g, and its initial temperature is -12.0 °C. The water resulting from the melted ice reaches the temperature of your skin, 29.6 °C. How much
  45. English

    Punctuating Sentences The goose bit the mailman on the leg. Your answer: 1. no change good ~~~~~~~~~~~~~~~~~~~ Punctuating Sentences With five gallons of gas. Your answer: 2.With five gallons of gas, the car will not run for long. good ~~~~~~~~~~~~~~~~~~~~
  46. Managerial Econmics

    Q4: Ch 5 (10%) In terms of the consumer theory set forth in this chapter, can you explain the meaning of the following statements? a. “I think you get more for your money from Nike than from Reebok.” b. “I wanted to buy a Boxster rather than a
  47. ALG2! WORD PROBLEM!very important!!

    You are a student who plans to attend the amusement park for two days. This will be fun! Now it's time to figure out the cost. You won a coupon for 50% off a 1-day pass but it cannot be combined with other offers. The amusement park also offers a $5
  48. Math, Please check answers

    I do not want to fail this, could you please help me with number 1 and 3.D, and then check my other answers? Thank you. 1. Find and simplify the volume-to-surface-area ratio for each of the three possible ice cube shapes. You can use this chart. |Shape|
  49. Chemistry

    What two components gain heat when ice is added to water? Express it mathematically. (use appropriate symbols, not your actual numerical values. - I know that the ice gains heat as well as the H2O from the ice, but i don't understand how to express it in
  50. physics

    why are ice packs at 0 degree better for cooling a sprained ankle than similar sized packs containing water at 0 degree? thanks Ice has much more thermal capacity to cool. Consider the heat that has to be removed at 0C to turn to ice, 80cal oer gram.
  51. College Physics

    Dry Ice. At standard atmospheric pressure, the solid form of carbon dioxide called “dry ice” undergoes a phase change not to a liquid but straight to a gas. This process is called sublimation, and like other phase transitions heat energy is required.
  52. math

    ice in a refrigerator melts at rate of 3 kg per hour. the temperature outside is 27°c. find the minimum power output of a motor used to drive the refrigerator,which just prevents ice from melting. latent heat of ice = 80 cal/g,J=4.2 joule/cal, 1 h.p = 746
  53. Calculus

    A uniform layer of ice covers a spherical​ water-storage tank. As the ice​ melts, the volume V of ice decreases at a rate that varies directly as the surface area A. Show that the outside radius decreases at a constant rate.
  54. Physics

    A 45kg sled is coasting with constant velocity at 3.0m/s over a patch of smooth and level ice. It enters a very rough section of ice that is 11m long in which the force of friction is 15N. With what speed will the sled emerge from the rough ice?
  55. chemistry

    Couze The water in the buket has some energy (tempreture) it is absorbed by the water and the ice melts this way water cools...now if you consider the ice outside the bucket water will no longer be in tuch with ice ,since energy of water since must be
  56. management

    How does the local, state, or national economy affect (hospital) your business or place of work?
  57. Math

    I am doing a project, are my answers correct? 1. Find and simplify the volume-to-surface-area ratio for each of the three possible ice cube shapes. You can use this chart. |Shape| S/A Formula|Volume Formula Cube | S.A=6s^2 | V=s^3 6/s Sphere|S.A+4 pi
  58. AP CHEM

    An ice cube tray contains enough water at 22.0 C to make 18 ice cubes that each have a mass of 30.0g. The tray is placed in a freezer that uses CF2CL2 as a refridgerant. The heat of vap of CF2CL2 is 158 J/g. What mass of CF@CL2 must be vaporized in the
  59. English

    I have dry hands. 1. I think you should put on hand cream more often. 2. I think you should apply hand cream more often. -------------------- Are both the same? Do you have some other verbs instead of 'put on' or 'apply'?
  60. Science

    For an experiment, you place 15 g of ice with a temperature of -10 C into a cup and label A. You also place 25 g of ice at the same temperature into another cup and label it B. Which of the following statements is true? A) The average kinetic energy of the
  61. Science

    For an experiment, you place 15 g of ice with a temperature of -10 degrees C into a cup and label it A. You also place 25 g of ice at the same temperature into another cup and label it B. Which of the following statements is true? A. The average kinetic
  62. Physics

    A dock worker applies a constant horizontal force of 79.0 N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 11.0 m in the first 6.00 s. What is the mass of the block of ice? *I notice
  63. business law

    Alpha Corporation in Boston offers a job to Carol, who lives in Des Moines, Iowa. Carol orally agrees with Alpha to work in Boston for two years. She moves her family to Massachusetts and begins to work. Three months later, she is fired for no stated
  64. Geology

    Im having a difficult time with a geology final question. "The number of ice advances during the Pleistocene was most likely" one four 20-25 over 100 I understand one cap, 4 major ice events with 11 ice advances but am very unclear on an answer or how to
  65. physics- check my answers)

    An ice skater of mass 50kg moving at 10 m/s coasts to a halt in 100 m on a smooth ice surface a. calculater acceleration of the skater (.5 m/s) b. what is the force of friction between the ice and the skates? (25 N) c. calculate the coefficient of friction
  66. English?

    This really doesn't have to do with school but i thought you guys might be able to help me. For Christmas I am making a "Get Better Package" It is a decorated box with things to help you when you are feeling down. For example, an ice cream gift
  67. Math

    ABC Bank offers a savings account with 4.5% compounded quarterly. Find the APY the bank's savings account offers (round your answer to three decimal places).
  68. Math

    The manager of the ice cream shop noticed that 90% of all club members brought along a family member who spent an average of $18 in the shop. The tax on their bill was 5.5%.What was the total amount spent by the family members in one year? What would each
  69. STATS

    What is the probability that the average salary of a sample of 49 part time bank teller will be less than $22,600?
  70. had

    A 0.106 kg ice cube is taken out of a freezer with temperature -16°C. It is then added to a glass of water with mass 0.25 kg. The water initially has a temperature of 24.2 °C. Assume no heat is added or lost to the surroundings. Calculate the amount heat
  71. algebra

    solve this word problem. a bank offers two accounts. Their local plan charges $7 monthly service fee plus $3 for each transaction. There Anywhere plan charges $23 monthly service fee plus $1.75 per transaction. For what number of transactions per month
  72. Chemistry

    A 63 gram block of an unknown metal at 88 degrees C was dropped into an insulated flask containing approx. 30 g of ice and 30 g of water at 0 degrees C. After the system had reached a steady temp. it was determined that 12.1 g of ice had melted. What is
  73. physics

    How long would it take a 1 200 W heater to melt 1.00 kg of ice at -12.0°C, assuming all the energy from the heater is absorbed by the ice? (Assume the specific heat of the ice is 2 090 J/kg · °C and the latent heat of fusion of water is 3.33 105 J/kg.)
  74. Chemistry

    Suppose that 100.0 g of ice a 0 degreesC are added to 300.0 g of water at 25.0 degrees . Is this sufficient ice to lower the temperature of water to 5.00 degrees C and still have ice remaining? Calculate the energy (heat) which must be removed from water
  75. math

    Home Depot wants to buy a new line of fertilizers. Manufacturer A offers a 19/14 chain discount. Manufacturer B offers a 24/12 chain discount. Both manufacturers have the same list price.
  76. Math

    A waffle cone has a width of 7.6 cm and height of 15.2cm and a chocolate coating that is 2mm thick. What is the volume of the chocolate coating? How many of these cones if they were filled up to the brim would be needed for 400 gallons of ice cream given 2
  77. physics

    A 50g ice cube is added to 110g of water in a 62g aluminum cup. The water and cup initially have a temperature of 23°C. Find the initial temperature of the ice cube such that all of the water is just turned to ice. Use the following specific heats: water
  78. physics

    A rectangular block of ice 10 m on each side and 1.1 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. a) How high does the top of the ice block float above the water level? m * .116 OK HELP: Use
  79. Vocabulary

    Fill in the blanks with the following words from the reading text. Change their forms when necessary. 1.highlight 2.ownership 3.residential 4. restriction 5.scheme 6. unveil Q1.  The local council unveiled new plans to build a gymnasium last week. Q2. 
  80. science

    a glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim of the glass. Which of the following statments best explains the increase in water level? A)The volume of the sumerged ice is
  81. Chemistry

    Each increase in pressure of 100 atm decreases the melting point of ice by about 1.0¡ÆC. Q. One possible explanation of why a skate moves smoothly over ice is that the pressure exerted by the skater on the ice lowers its freezing point and causes it to
  82. physics

    Years ago, a block of ice with a mass of about 22kg was used daily in a home icebox. The temperature of the ice was 0.0 degrees Celsius when delivered. As it melted, how much heat did a block of ice that size absorb? The latent heat of fusion of water is
  83. Calculus

    The function f(x)=-2x^3+30x^2-96x+8 has one local minimum & one local maximum. This function has a local minimum at x equals ______ with value __________ and a local maximum at x equals _______ with value __________ .
  84. HUMAN ORGANIZATON BEHAVIOR.... PLEASE HELP

    can u help to have an idea to get the correct answer.for the question below. What model of organizational behavior would be most appropriate in each of the following situations? (Assume that you must use the kinds of employees and supervisors currently
  85. physics

    To illustrate the effect of ice on the aluminum cooling plate, consider the data shown in the drawing below. The length of the ice block is L1 = 0.00476 m and its temperature is T1 = -11.9 °C. The aluminum block is L2 = 0.00131 m long and has a
  86. Business Calculus

    The function f(x)=4x+9x^-1 has one local minimum and one local maximum. Question: This function has a local minimum at x=______ with a value _______ and a local maximum at x=________ with value _______?
  87. physics

    A 66.5 kg ice skater moving to the right with a velocity of 2.72 m/s throws a 0.104 kg snow- ball to the right with a velocity of 40.3 m/s relative to the ground. What is the velocity of the ice skater after throwing the snowball? Disregard the friction
  88. 8th grade

    its in Algebra 1 ! the riddle is whom should you see at the bank if you need to borrow money. its 15 letters. a teller doesnt fit. i don't know ! i need help ! PLEASE
  89. Chemistry

    1. Calculate the MOLALITY (m=mol/kg) of the salt water solution. Note: Include the mass of ice AND volume of water when calculating the TOTAL MASS of the solvent (water). (1ml of water=1g of water. Is my work correct? So what I did was, Knowing m=mol/kg
  90. English please help thanks

    1.Identify the complete sentence. A.Chocolate milk, chocolate fudge, ice cream, and candy. b.The average American nearly twelve pounds of chocolate each year. C.The scientific name for chocolate is Theobrina cacao. D.Loosely translated to "the food of the
  91. physics

    2. an iceskater of mass 100 kg starts to glide at 10 m/s and comes to rest. how much ice is melted? assume that half the heat generated by friction is absorbed by the ice and that the ice is at its melting point. Heat from skater* .5 = Lf*massice. 1/2
  92. physics

    a) Two 36 g ice cubes are dropped into 300 g of water in a thermally insulated container. If the water is initially at 19°C, and the ice comes directly from a freezer at -19°C, what is the final temperature at thermal equilibrium? (b) What is the final
  93. basic calculus

    use the first and second derivatives to find the x-coordinates of all local maxima and minima of f(x)=8e^2x-2x. indicate which of your answers are local minima and which are local maxima.
  94. science

    a glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim of the glass. Which of the following statments best explains the increase in water level? A)The volume of the sumerged ice is
  95. literacy

    can u plz give me 10 connectives and 10 sentences with them e.g:ALTHOUGH i love ice cream.i'm only allowed it once a week will u be done by tommorow? AND PLZ MAKE IT SNAPPY!!!!!!
  96. PHYSICS!!!HELP!!

    At a picnic, a Styrofoam cup contains lemonade and ice at 0 degree C. The thickness of the cup is 2.0*10^-3m, and the area is 0.016 m^2. The temperature at the outside surface of the cup is 35 degree C. The latent heat of fusion for ice is 3.35*1065 J/kg.
  97. physics

    At a picnic, a Styrofoam cup contains lemonade and ice at 0 degree C. The thickness of the cup is 2.0*10^-3m, and the area is 0.016m^2. The temperature at the outside surface of the cup is 35 degree C. The latent heat of fusion for ice is 3.35*10^5 J/kg.
  98. Chemistry

    A .25 g chunk of sodium metal is cautiously dropped into a mixture of 50g of water and 50 g of ice both at 0 C  2Na(s) + 2h2o(l) -> 2naoh(aq) + H2 Delta H = -368 kj Will the ice melt Assuming the final mixture has a heat capacity of 4.18 J/g C calculate
  99. Chemistry

    A .25 g chunk of sodium metal is cautiously dropped into a mixture of 50g of water and 50 g of ice both at 0 C  2Na(s) + 2h2o(l) -> 2naoh(aq) + H2 Delta H = -368 kj Will the ice melt Assuming the final mixture has a heat capacity of 4.18 J/g C calculate
  100. chemistry

    a 5.0 g sample of ice was heated from -20.0 degrees C o 0 degrees C and remained solid. the specific heat of ice is 2.1 j/gC. How much heat did the ice absorb?