1. world history

    why was the ice age a time of abundance
  2. socialstudies

    how did the first americans live during the ice age?
  3. PHYSICS/SCIENCE

    How much heat must be removed from 5.0g of water at 10°C to become ice at 0°C ?
  4. Physics

    How do we know that ice gains heat during melting?
  5. Physics/Science

    How much heat must be removed from 15.0g of water at 10°C to become ice at 0°C?
  6. science

    Are Saturn rings made of ice
  7. Physical Science

    What are the differences between ice caps and glaciers?
  8. scientist

    how do scientists keep ice fossils frozen?
  9. English

    How can hate and ice lead to a tradegy?
  10. science

    where did water when frozen known as ice get its name and where did it get its orgin?
  11. biology

    Why does ice float in liquid water?
  12. chemistry

    How much energy is absorbed to change 7.25 g of ice at -3 C to 25.5C?
  13. Chemistry

    What is 100mL of water + 45.00g of ice?
  14. social studies

    how can we save the arctic ice melting?
  15. chemistry

    What is the value of delta G at melting point of ice?
  16. Physics

    What happens with the heat absorbed by ice during melting?
  17. Chemistry 101-URGENT

    How much heat is required to melt 43.5 g of ice at 0°C?
  18. Physics

    What is th mass in kg for a 10cm3 cube of ice?
  19. Physics

    What is th mass in kg for a 10cm3 cube of ice?
  20. science

    How much volume does it take to fill up a box with ice
  21. General Mathemtics

    Our topic is about Annuity.An investment firm offers a 10-year,simply annuity with a guaranted rate of 6.85% compounded annually.How much should you pay so as to receive payments of 25,0000 pesos annually over the 10 period? PLEASE show your solution.
  22. Maxima, Stationary Points

    Long shot but does anyone have experience of using Maxima (maths program) for finding stationary points. My user guide offers no help, ive tried to manipulate the following derivative to find the stationary points however its not proving helpful.
  23. math

    air fare club offers membership at $300.00, at least 50 people must join.For every member over 50 their fare will be reduced by $2 for every member. Due to space limits only 125 passengers will be allowed. how many memberships will maximize the revenue?
  24. math (combinations)

    The Hamburger Depot offers burgers fixed 5 different ways. They also offer French fries, tater tots, onion rings, and cheese sticks as side orders. How many different combinations of one hamburger and one side could be offered?: *
  25. LAnguage Arts

    Write an essay in which you analyze the importance of plot events and characters’ actions to the development of a story’s theme. Review and evaluate a story from the unit that has a clearly identifiable theme. You might choose “Raymond’s Run” by
  26. math 121

    1. A college offers three different psycology . courses, four different history courses, and six different business courses. If a student is required to take one course in each of those three subjects, how many different ways are there for the student to
  27. math

    A restaurant offers a 13% discount on chicken wings on Mondays. If Travis eats $7.95 worth of chicken wings on Friday, how much would those wings cost on Monday?
  28. Intro to probability

    A certain pizza restaurant offers three different sizes of pizza and eight different toppings. How many distinct pizzas having two different toppings can be made? ====================================== I think part of the answer to the question is (8)\
  29. Math 8th grade

    How would I set up this problem to solve it: Gene offers 30 mins. and 60 mins. driving lessons. He gave 8 lessons that lasted 7 hours. How many 60 minute lessons did he give?
  30. Math

    being healthy eaters, partridges know that pears contain 30% more potassium than apples. If an apple offers 160 mg. of potassium, and Pete eats 6 pears, how many milligrams of potassium will he consume?
  31. English

    Yosemite offers so much to see. Plan to stay awhile! There are more than 3,500 accommodations in Yosemite and its surrounding communities and gateways, each with something unique to offer. ==================== There are two Yosemites in this passage. What
  32. Mathematics

    Twelve man take 6 hours to finish a piece of work. After the 12 men have worked for 1 hour, the contractor decides to call in 8 men so that the work can be completed earlier. How many more hours would 20 men take to complete the remaining work?
  33. math

    A radio commercial for a used car company offers loans at "20 cents today for every $800 borrowed" to purchase a car What annual rate is the car company charging? a= 3% b= 6% c= 9/2% d=8% e=9%
  34. Changes in Matter

    Which of the following kitchen activities are physical changes, and which are chemical changes? a)cooking bacon-chemical b)making icing-physical c)baking a cake-chemical d)using oven cleaner-chemical e)making whipped cream-physical Please correct me if I'm
  35. Algebra

    Bayside Insurance offers two health plans. Plan A pays $90 + 40%. Plan B pays $140 + 35%. Giselle would savfe with plan B if she had more than ---in bills.
  36. physics

    A 100 kg mass starts from rest at the top of an incline plane that makes an angle of 35 degrees with the horizontal. There is a coefficient of friction of 0.005 between the ramp and the mass. The mass slides down the ramp and then slides to a stop on a
  37. environmental science

    A local reporter has called you for help with an article on population growth in developing countries. He begins the article with the fact that over a billion people in developing nations live in households that have too little land to meet even their own
  38. physics

    1. A 70 kg uniform 4.0 m long beam is attached to a vertical wall and is supported by a wire. The beam makes an angle of 45 degrees with the horizontal and the wire is horizontal. The horizontal component of the force that the wall exerts on the lower end
  39. math

    Sara has gone to work for 60 days. On 39 of those days she arrived at work before 8:30A.M. On the rest of the days she arrived after 8:30A.M What is the experimental probability that she will arrive at work after 8:30A.M the next day she goes to work
  40. Mathematics

    You can either do your own yard work or you can pay someone to do it for you. You find that it takes you about 50 minutes to clip, mow, and otherwise clean up your yard each time you do it. You do it four times each month. Also, once a month you need to
  41. ART ONLY ONE QUESTION PLZ HELP!!!!!!!!!!!!!!!!!!!!

    what is the best definition for the term visual composition a. a beautiful arrangement b. the placement of visual elements in a work of art c.the creation of symbols in a work of art ******* d. a visually dynamic work of art
  42. 6th grade math

    Find the value fir each expression. Show your work. (13.28 - 7.8) divided by 4. I have the answer in the back of my book and when I try to work the problem out I keep getting the wrong answer. The answer is supposed to be 1.345 I can get the 1.34 but I get
  43. physics

    An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the
  44. physics

    An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the
  45. physics

    An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the
  46. Writing Assignment--PLEASE HELP!!!

    I have to write a letter report on the topic of investment opportunities using the approiate approach and organizational pattern. I need help! Are there any sites to help? Subject clarification. This student needs assistance from someone who understands
  47. English

    Active voice: The sleet turned the old municipal building into an ice castle Is this correct for a Passive voice Passive voice would be: The old municipal building turned into an ice castle from the sleet.
  48. English

    Writeacher, thank you very much for giving me advice. Can you please tell me if my sentences are possible? 1) "What about making pizza for dinner”,he said. He suggested making pizza for dinner. 2) “OK. It was me who broke the vase”, she said. She
  49. Science

    For my science class I have to make a machine that attempts to convert heat energy into work. I'm not really sure how to do this, but I do have some ideas, however I'm not all the way there. If you told me your opinion of my ideas or if you gave me one of
  50. English

    Can you please check the following sentences, please? Thank you very much. 1) As the letters are written in first-person, they provide different individual points of view on the same event, which can be fully explored. 2) Then, the characters introduce one
  51. maths

    (a)(i)use the composite rule to differentiate the function f(x)=(x^2-6x+23)^(3/2). (ii)use the composite rule and your answer to part (a)(i) to show that the function g(x)=(x-2)/(x^2-6x+23)^(3/2) has derivative g'(x)=(5+9x-2x^2)/(x^2-6x+23)^(5/2).
  52. math

    Carlin’s Pizza House offers 3 kinds of salad, 15 kinds of pizza, and 4 kinds of dessert. How many different threecourse meals can be ordered
  53. Chemistry

    Given that W = -PatmΔV, if a gas expands into a vacuum, the sign of W is ? 1. Positive: work is being done on the gas 2. Negative: work is being done on the gas 3. Positive: work is being done by the gas 4. Negative: work is being done by the gas 5. ZERO:
  54. journalism check answers

    What is a fixer? a newsroom technician who handles the media outlet's infrastructure a local reporter in a far-flung place who helps foreign correspondents navigate the logistics of reporting in an unfamiliar place a source who "fixes" or misrepresents a
  55. Probability and statistics

    A mysterious card-playing squirrel (pictured) offers you the opportunity to join in his game. The rules are: To play you must pay him $2. If you pick a spade from a shuffled pack, you win $9. Find the expected value you win (or lose) per game.
  56. BUSINESS

    Which is typical behavior of a successful interviewee A- Making eye contact often with the interviewer B- Avoiding the use of technical jargon C-Making it clear that you are using the interview to learn about the company and what it offers D- Responding
  57. Algebra

    A radio commercial for a used car company offers loans at "20 cents per day for every $400 borrowed" to purchase a car. If you borrow $2000 for 200 days, what amount will you repay? (Assume a 360 day year)
  58. Math

    We are working on permutations and combinations and the problem reads as follows: A deli offers its cheese sandwich with various combinations of mayonnaise, lettuce, tomatoes, pickles, and sprouts. 5 types of cheese are available. How many different cheese
  59. algerbra

    Need help with this question I can get it. Bayside insurance offers two health plans, under A Giselle would pay the first $50 of her medical bills plus 35% of the rest. Under planb Giselle would $180 in bills. Giselle would save with plan B if she had more
  60. US History

    23. A comparison of Native American societies in North America reveals that a. culture and language were the same everywhere b. distinct cultures arose from differences in local climate and terrain c. all were nomadic with little knowledge of agriculture
  61. Language Arts

    I DON'T WANT YOU TO DO THE ESSAY. I just need an explanation on what to do. Write an essay in which you analyze the importance of plot events and characters’ actions to the development of a story’s theme. Review and evaluate a story from the unit that
  62. Language Arts

    Write an essay in which you analyze the importance of plot events and characters’ actions to the development of a story’s theme. Review and evaluate a story from the unit that has a clearly identifiable theme. You might choose “Raymond’s Run” by
  63. Chemistry

    A weighed amount of sodium chloride is completely dissolved in a measured volume of 4.00 M ammonia solution at ice temperature, and carbon dioxide is bubbled in. Assume that sodium bicarbonate is formed until the limiting reagent is entirely used up. The
  64. solid mensuration

    A cylindrical mug of hot chocolate measures 9.2 cm in diameter and has a height of 12.6 cm. The top 2.5 cm of the mug is filled with whipped cream; the rest is hot chocolate. Rounding to the nearest mL, how much hot chocolate is in the mug? (1 cubic
  65. statistics

    Im am so lost.... A bank conducts a survey in which it randomly samples 400 of it customers. The survey asks the customers which way they use the bank the most, (1) interacting with teller, (2)atm use, (3) internet bank service. It was also asked their
  66. Physics

    Alex is exploring a cave that has a slight incline and is iced over, forcing her to use ice cleats to explore it. After climbing 50 m into the cave, she finds what she is looking for and she takes out her ice pick and hammer to begin removing the stones.
  67. Help

    1. In addition to decreasing the amount of fat in a dish, salsa can also increase the amount of A. calories and cholesterol. B. vitamin C and fiber. C. sodium and cholesterol. D. calcium and phosphorus. B? 2. If an outdoor runner develops a headache, feels
  68. physics

    A 280 kg piano slides 4.3 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40. Calculate: (a) the force exerted by the man, (b) the work done
  69. physics

    A sphere of mass 78 kg is attached to one end of a rope as shown in the figure below. It is found that the rope does an amount of work W = 3550 J in pulling the sphere upward through a distance 4.6 m. Find the work done by the force of gravity on the
  70. Math

    1) 60 meters of fencing are needed to fence in a square lot. What is the area of the lot? a) 3600 m^2 b) 900 m^2 c) 225 m^2 d) 15 m^2 2) A can do a piece of work in r days and B, who works faster, can do the same work in s days. Which of the following
  71. ap chemistry :(

    consider the reaction C6H14 + 9.5O2 yields 6CO2 + 7H2O at constant pressure. which response is true? 1. work may be done on or by the system as the reaction occurs, depending upon the temperature. 2. work is done on the system as the reaction occurs. 3. no
  72. PHSC

    Explain the difference between the everyday use of the word "work" and the physical (physics related)use of the word "work".How is energy related to work?
  73. Physics Help Please

    Issac has to do 1000J of work on a 5kg box, and all the work he did simply went into lifting it above the ground. How high above the ground will the box be when all the work has been done?
  74. Accounting

    Kelly B. Roach Single, 1 Allowance $415/week Deduction for 401(k) plan 50/week Annual Taxes Withheld 1,337.96 Social Security tax withheld 313.04 Medicare tax withheld 662.48 State Income tax withheld 928.20 Local Income tax withheld Ralph Volpe Married, 1
  75. calculus

    We are not going to do that work for you, but will be glad to help you. The unit sphere is the sphere with radius 1 centered in the origin. They give you the coordinates of a vector. Compute the dot product of the vector and the local surface area normal
  76. PHYSICS

    You push your physics book 2.20m along a horizontal tabletop with a horizontal push of 2.20N while the opposing force of friction is 0.500N . How much work does your 2.20N push do on the book? How much work does the friction force do on the book? How much
  77. Global Communication

    Is local culture an enabler or a hindrance in planning and executing a strategic communication campaign?
  78. World History

    Which of the following describes trade in the Late Middle Ages? A.Far-reaching B.Limited** C.Local D.Secret Is it B?
  79. Calculus

    Find the local maximum and minimum values of the following curve within the given domain. y=SECx-TANx 0 ≤ x ≤ 2π
  80. Calculus

    Find and classify the critical points off(x)=8x^7(3−x)^6 as local maxima and minima. (I really don't know what to after 56x^6(3-x)^6 + 8x^7 * 6(3-x)^5(-1)
  81. Calculus

    What is the point of inflection of the function f(x)=x^3-8x^2+5x+50? Is the local extrema at f(1/3)=50.8 max and f(5)=0 min? For the second derivative I got f(x)=6x-16 and then got x=16/6 when set to zero.
  82. Calculus (urgent!!)

    Find a formula for a curve of the form y=e^((−(x−a)^2)/b) for b greater than 0 with a local maximum at x=−5 and points of inflection at x=−8 and x=−2.
  83. AE

    Identify the roles district, state, and federal government agencies have in local schools.
  84. Life Orientation

    Critically analyze the impact of crime as a contemporary social issue on local communities
  85. Calculus

    F(x) = x^3 / (x-16) is concave up and down on what intervals? I got the derivative to be f' = (x^4 - 48) / (x^2-16)^2 and I found the local min and max but now I need to find where it concaves up and down.
  86. business forcasting

    find out local government budget including allocation, various sectors, amount and project
  87. AED

    Identify the roles district, state, and federal government agencies have in your local schools.
  88. Calculus (urgent!!)

    Find a formula for a curve of the form y=e^((−(x−a)^2)/b) for b greater than 0 with a local maximum at x=−5 and points of inflection at x=−8 and x=−2.
  89. Calculus Please Help

    Find a formula for a curve of the form y=e^((−(x−a)^2)/b) for b greater than 0 with a local maximum at x=−5 and points of inflection at x=−8 and x=−2.
  90. Calculus (pleas help!!!)

    Find a formula for a curve of the form y=e^((−(x−a)^2)/b) for b greater than 0 with a local maximum at x=−5 and points of inflection at x=−8 and x=−2.
  91. Introduction to Computer and Network Hardware

    LAN for local library: benefits,protocol,topology of LANS, elements of a backbone
  92. statistics

    is this quantitative data? The number of new hybrid cars on a local car dealership lot
  93. math

    a gallery is displaying a collection of 12 sculpters and 20 paintings by local artists. how many sections are in the exhibit?
  94. calculus

    find the local maximum and minimum values of f using both the first and second derivative tests. which method do you prefer? f(x) = x/(x^2+4)
  95. statistics

    is this qualitative data? The colors of new hybrid cars on a local car dealership lot.
  96. science

    why dos buying food that is grown in your local area help prevent loss of biodiversity ??????
  97. math

    find the local maximum and minimum values of f using both the first and second derivative tests. which method do you prefer? f(x) = x/(x^2+4)
  98. health

    how do state and local health departments use the healthy people 2010 objective? provide an example.
  99. Integrated Marketing Communications

    Research any firm local or foreign and present a report and critique of their marketing communications
  100. calculus

    hi! is there a way to find the local and absolute extreme values of the functions in the given interval by using the TI-83... just asking if not can someone help me figure this out please.... really appreciated :) f(x)=x^3-6x^2+9x+1 [2,4]