1. Calculus

    A man has 340 yards of fencing for enclosing two separate fields, one of which is to be a rectangle twice as long as it is wide, and the other, a square. The square field must contain at least 100 square yards and the rectangular one must contain at least

    asked by Amy on February 5, 2012
  2. Physics

    A solid iron cylinder of mass 0.2 kg is quickly transferred from inside boiling water in a beaker at 100 C into 90g of water at 15 C contained in a calorimeter of mass 150g and specific heat capacity equal to 800 J/kg/K. Find the final temperature of the

    asked by Claire on October 9, 2008
  3. calculus

    Annual sales of bottled water in the country in the period 1993-2003 could be approximated by the function below, where t is time in years since 1990. Were sales of bottled water accelerating or decelerating in 2000? How fast? R(t) = 10 t**2 + 100 t + 2400

    asked by LC on November 29, 2011
  4. Algabra

    Landscape designers often use coordinate geometry and algebra as they help their clients. In many regions, landscape design is a growing field. With the increasing popularity of do-it-yourself television shows, however, many homeowners are becoming amateur

    asked by Isaac on November 25, 2009
  5. vocab

    Consider your key board and a valuable tool about require persistence and patience to master. As a vaguely important to all of you to trade in, it needs to be trained with respect. Don't make it the recipient of your frustrations. The more are issues with

    asked by Zenit on July 24, 2011
  6. Science (Please help!)

    I have a few questions to ask: 1. Round worms make up the largest phylum of worms, the phylum _________ 2. many nematodes are parasitic, but most are _______ 3. Wastes leave the body of a roundworm through an opening at the end of the digestive tract

    asked by Kentut on January 23, 2011
  7. Algebra 2

    I need help making a table 3. One of the fireworks is launched from the top of a 70ft tall building with an initial upward velocity of 150 ft/sec. a. What is the equation for this situation? g=-32ft/s^2 b. When will the firework land if it does not

    asked by S.Burris on January 22, 2016
  8. Math (not specific knowledge, just research)

    For math class, we are planning an indoor carnival. We need to figure out the size of each exhibit and vendor, and make sure all of them fit into the space. We can choose any large indoor space we can think of. I did some research online and chose the

    asked by Adriana on March 11, 2009
  9. Art

    according to egyptian mythology horus son Kebehsenuef fit who has the head of a hawk. what characteristic might make Kebehsenuef fit for the job of watching a dead mummy vital organs? A kind and caring heart The keen eyes of a bird of pray •• Ingenuity

    asked by Jojo on February 17, 2016
  10. Please help

    Which of the following groups of words in bold is nonrestrictive and should therefore be set off with commas in the sentence My yarn WHICH IS BLUE AND GRAY will make a very pretty scarf. Hats KNITTED BY MY MOTHER are worn all winter by my family. The

    asked by Abbey on March 8, 2013
  11. ETH/125

    55. A firm maintains policies that make it difficult for parents to take time off from work to care for sick children or attend required meetings at their children’s schools. Since it is mothers, for the most part, who have these child-care

    asked by beckylynn on July 23, 2013
  12. Engineering/Physics

    A force F = 7^i + 6^j - 5^k lb. acts at the origin. Find the magnitude and direction cosines of the moment of this force about point A (-4; 5; 6) ft So in this case wouldn't vector r= -4i +5j +6k and vector F = 7i + 6j - 5k lb? and r X F = -61i +22j -59k =

    asked by Aaron on February 12, 2012
  13. Physics

    Explain in detail how you would find the density of an unknown high-density object if you had only the objects listed below.If you show calculations, make sure you define your variables.Assume all containers are large enough to hold the object.... You

    asked by Lenny on February 7, 2017
  14. i really need help!! graphing

    what do i put the viewing window as on my calculator if i have an equation of 2x^2+40000/x is x=0 an allowed value in the domain? So have to make allowances for x near zero. Check the problem: is x cited to have a particular domain? If not, then plot this

    asked by cheryl on November 16, 2006
  15. Human Growth

    Abraham is a mildly retrded 10-year-old who often sits on the floor and repeatedly rocks back and fourth. He is socially inept, does not make eye contact with anyone. The most likely explanation forces behavior is that Abraham has. A. schizophrenia B.

    asked by Tonya on October 23, 2015
  16. Honors Social Studies

    If you were running for President, how might the Sedition Act impact your campaign? How would YOU answer this question? You might want to refresh your memory of the Sedition Act with this article. http://en.wikipedia.org/wiki/Sedition_Act_of_1918 Thanks

    asked by Kristin on August 18, 2007
  17. Geometry

    Jason designed an arch made of wrought iron for the top of a mall entrance. The 11 segments between the two concentric circles are each 1.25 m long. Find the total length of wrought iron used to make the structure. Round the answer to the nearest meter.

    asked by Alexa on September 22, 2015
  18. physics

    An 9000 test car travels 40.5 before stopping from an initial speed of 25.7 on dry horizontal pavement with its wheels locked. a)Make a free-body diagram of this car while it is slowing down. b) What external force causes it to slow down? c)Assuming

    asked by Leewillikers on February 6, 2013
  19. physics

    A car initially traveling at 31.0 m/s undergoes a constant negative acceleration of magnitude 2.00 m/s2 after its brakes are applied. (a) How many revolutions does each tire make before the car comes to a stop, assuming the car does not skid and the tires

    asked by Kelsey on March 27, 2010
  20. History

    What did John Brown plan to do with the guns he seized at Harper's Ferry? a. he planned to sell them to make money to support antislavery candidates for Congress. b. he planned to give them to slaves to start slave rebellions. c. He planned to bring them

    asked by Chloe on January 30, 2017
  21. Chemistry

    Need some help with these 1. A 15.0 carat (3.00g) diamond is found to be 99.9% carbon. What mass of carbon is in this diamond? 2. To make stainless steel, a metallurgist might “smelt” [melt and blend] together a 1250g iron “ingot” [bar], 1.500g of

    asked by Mr. Anonymous on March 27, 2019
  22. English Grammar

    Please help me to fill 2 gaps in this text (In other words, I need to replace each number with the corresponding word). I appreciate any help, thanks! Use all the communication skills you have to get the best response from your boss. Use the most ..1..

    asked by Zoltan on May 27, 2009
  23. Algebra 2 pt 2

    I need help making a table 3. One of the fireworks is launched from the top of a 70ft tall building with an initial upward velocity of 150 ft/sec. a. What is the equation for this situation? g=-32ft/s^2 b. When will the firework land if it does not

    asked by Anon on January 22, 2016
  24. Chemistry

    What acid and what strong base would react in aqueous solution to produce the following salts in the formula equation? Write the balanced formula equation for each reaction. a) potassium perchlorate b) cesium nitrate c) calcium iodide I don't need just the

    asked by Steven on December 28, 2011
  25. chemistry Who clearly step by step

    What per cent of free s03 can be obtained from 100g oleum, that is labeled with 113.5% h2s04? To 100 ml of 5M naoh solution density 1.2g/ml were added 200ml of another naoh solution with have a density 1.5g/ml and contains 20 mass percent of naoh. What is

    asked by ken on June 29, 2014
  26. Math

    An instructor gives regular 20-point quizzes and 100-point exams in a mathematics course. Average scores for six students, given as ordered pairs (x,y) where x is the average quiz score and y is the average test score, are (18, 87), (10, 55), (19, 96),

    asked by Re on March 7, 2011
  27. MATH

    Find the interest earned by an account with $1,200 of simple interest of 4% for 3 years. Find the percent markup. Round to the nearest whole percent. store's cost: $100 selling price: $160 Find the percent of increase. 50 to 70 Find the percent of

    asked by Jen on January 10, 2014
  28. science (chem& statistics)

    For a wine titration my results obtained were... 0.6402%, 0.5814%,& 0.6006% the I calculated was 0.04936 according to my text sometimes the # is expressed in ppt or 100% first which would be correct if asked to submit a RSD for the results of a lab like

    asked by christina on July 10, 2007
  29. college

    A ceiling fan has 15 -inch blades (so the radius of the circular fan is 15 inches). Suppose the fan turns at a rate of 60 revolutions per minute. (a) Find the angular speed of the fan in radians per minute. (b) Find the linear speed of the tip of a blade

    asked by Ange on September 11, 2016
  30. Statictics

    6. In 2000, the United Nations claimed that there was a higher rate of illiteracy in men than in women from the country of Qatar. A humanitarian organization went to Qatar to conduct a random sample. The results revealed that 45 out of 234 men and 42 out

    asked by LT on October 29, 2007
  31. Elements of Calculus

    A company is manufacturing kayaks and can sell all that it manufactures. The revenue (in dollars) is given by R=750-(X^2/30) where the production output in 1 day is x kayaks. If production is increasing at 3 kayaks per day when production is 40 kayaks per

    asked by Tim on May 2, 2013
  32. Trig!

    a) The annual inflation rate is 3.5% per year. If a movie ticket costs $7.50, find a formula for p, the price of the tickets t years from today, assuming that movie tickets keep up with inflation. b) According to your formula, how much will movie tickets

    asked by Ashley on January 15, 2013
  33. Finance

    You deposit $1000 for 5 years at 4% annual interest. In 5 years, you add $10000 to your account, but the rate on your account changes to 8% annual interest (for existing balance and new deposit). You leave the account untouched for an additional 15 years.

    asked by Basil on March 15, 2012
  34. Elements of Calculus

    A company is manufacturing kayaks and can sell all that it manufactures. The revenue (in dollars) is given by R=750-(X^2/30) where the production output in 1 day is x kayaks. If production is increasing at 3 kayaks per day when production is 40 kayaks per

    asked by Tim on May 3, 2013
  35. chemistry

    The units of a rate constant for zero, first and second order reactions are given in the textbook. If the time units are minutes, what would you expect the units to be for a third order reaction? a. 1/min3 b. mol2/L2-min c. L/mol-min2 d. L2/mol2-min e.

    asked by senior pup on February 17, 2012
  36. chemistry; kinetics

    Use the following table to determine the average rate during the period 800 to 1200 seconds for the decomposition of H2O2. 2 H2O2(l) → 2 H2O(l) + O2(g) Time (sec) (H2O2)M 0 2.32 400 1.72 800 1.30 1200 0.98 1600 0.73 a] 1.2 x 10-3M/sec b] 1.6 x 10-3 M/sec

    asked by kris on May 29, 2010
  37. Grammar

    Combine each pair of sentences by changing one of them into an adverb clause. 1). Jerusalem is a great vacation destination. It is filled with interesting historical sites. 2). Traveling through the desert in Israel can be tiring for visitors. Temperatures

    asked by Victoria on February 7, 2013
  38. eng

    hows my outline look? Outline: 1)Post secondary education is unaffordable A)Poor students can’t afford tuition (Stat) tuition has increased by Fifty-percent B) The Government has implemented grants, scholarships and student loans to help. Thesis: I’m

    asked by ben on November 3, 2008
  39. economics

    Suppose you wish to invest X dollars in a bank account which pays 5% per year. You want to use this account to pay for costs that appear each year, starting with year 15. The amount you have to pay in year 15 is 276.71 and then the payments grow at a rate

    asked by Rachel on February 13, 2011
  40. Math

    Fred was measuring the height of a building. He stood standing at some distance from the building and measured an angle of 38 degrees to the top of the building. He then walked 100 feet further away from the building and measured an angle of 34 degrees to

    asked by Anonymous on December 12, 2009
  41. Physics

    On planet X, the alien residents use a temperature scale in which they define 0 degrees X to be the melting point of nitrogen and 100 degrees X to be the boiling point of nitrogen. What temperature difference in X degrees does a temperature change of 1 C

    asked by Kimmy on January 14, 2014
  42. algebra

    elmer burns works for a ready-mix concrete cmpany. elmer receives an order for 3.5 cubic yards of concrete. this mixture of concrete contains sand, cement, gravel, and water, for each pound of water, there are 5 lb of sand, 2 lb of cement, and 6 lb of

    asked by Anonymous on September 13, 2009
  43. Accounting

    Question #1 (a) I am working on the adjusting balance sheet. I am close to where I need to be in my adjustments and wondering if I am missing a step to figuring a few things out. If money is earned but not unpaid or recorded for salaries, and the next

    asked by Jesse on February 16, 2010
  44. accounting

    working capital management: how this transaction might affect dynamic mattress in cash and net working capital, customer paying a $2,500 bill resulting from a previous sale. Paying $5,000 previously owed to one of its suppliers, borrowing $1 million

    asked by kim willison on October 3, 2007
  45. Math

    Suppose you deposit $400 in an account that earn 0.75 percent each quarter. You make no withdrawal from the account and deposit no mone money into the account. How much money will accumulate after 2.5 years

    asked by Anonymous on February 7, 2010
  46. 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

    asked by Kevin on April 12, 2017
  47. Health

    Americans are urged to make at least half of their grains whole grains. An example of a food with whole grains includes ________. A. Brown rice B. Pasta C. White bread D. White rice d?

    asked by Sam on August 30, 2012
  48. math

    anthony wants to make two gardens, each with an area of 24 square feet. He will buy boards to go around each garden. the garden has side lengths that are whole numbers. draw two of the possible gardens. which garden will use boards

    asked by Anonymous on March 3, 2016
  49. math

    julia picked 2 cards from a face down stack of cards containing 4 hearts 4 diamonds 4 clubs and 4 spades. Make a treediagram to find all the possible combinations for the 2 cards Julia picked

    asked by tina on April 9, 2013
  50. math

    how can i make a model to solve this problem? Javia ran 8 laps around a track to run a total of 1 mile on Monday. How many laps will she need to run on Tuesday to run 3/8 of a mile?

    asked by Diana on January 9, 2014
  51. 3rd grade Math

    Representations - Draw a number line. Make sure the following numbers are on your number line: 1,472; 1,560; 1,481. Are we over thinking this problem? Are they just looking for a number line with the above number listed from least to greatest?

    asked by Julie on October 1, 2009
  52. math

    To make shelves for a bookcase, Nate needs 7 pieces of lumber, each 45 inches long. Nate has several 10-foot lengths of lumber in the width and thickness he needs. How many of these 10-foot boards will Nate use?

    asked by Mary on October 28, 2007
  53. Customary units

    A sculptor has a 3lb block of clay he adds 24 oz of clay to the block in order to make a sculptor. What is the total weight of the clay before he stars to sculp. (Have to show work)

    asked by Car on December 9, 2013
  54. Math

    If 8% of c is equal to 12% of d, which of the following is equal to c + d? a)1.5d b)2d c)2.5d d)3d e)5d I tried replacing the variables with numbers to make it easier. I came up with 8% of 600 = 12% of 400, both equal 48. And then 600 + 400 = 1000 but

    asked by Jenny on October 12, 2014
  55. Business

    How do you collate survey results in a spreadsheet, in order to make graphs afterwards? How do you collate: Open-ended questions Close-ended questions Multi-answer questions

    asked by Jade on September 1, 2016
  56. MATH

    Ginger has 12 plastic bead containers. The containers measure 1 inch on each side. How many rectangular prisms, each with a different-sized base, could Ginger make by stacking all of the bead containers?

    asked by JAY on March 23, 2016
  57. polymer-Crosslinking Chemistry

    Explain why a polymer such as polybutadiene can be cross-linked, however a polymer such as polyethylene cannot be cross-linked. Make reference to what it is about the chemistry of the repeating units that allows for the formation of cross-links.

    asked by Anonymous on December 29, 2012
  58. statistics

    c. The top 10% of the officers in terms of height also make higher salaries than the shorter officers. How tall does an officer have to be to get in that top 10% group? (I.e. what is the height marking off the top 10 percent?)

    asked by tom on September 28, 2014
  59. math

    a carpenter has several boards of equal length. he cuts 3/5 of each board . after cutting the boards the carpenter notices that he has enough pieces left over to make 4 of the original boards. how many boards did the carpenter start with

    asked by Anonymous on January 27, 2015
  60. Science

    1. Which of these statements is TRUE? A.The nucleus gives the cell its shape. B. Chloroplasts make food for animal cells. C. Animal cells have many different shapes. D. A plant cell can become a blood cell. C

    asked by Hayden on February 27, 2014
  61. Algebra

    Two graph never intersect. As such, the equation has no solutions. Create an equation where the left side is a linear function and the right side is a square root function. Make it so that the equation has exactly one solution.

    asked by Joe on January 2, 2017
  62. Math

    Marty wants to make a dog run in his backyard using the end of the garage as one side of the run if he has 113 1/3 Feet of fencing and the garage is 19 2/3 feet wide how long will the run be?

    asked by Jenny on November 2, 2016
  63. math help

    Mr. Donahue needs 4 1/2 pounds of flour to make 5 loaves of bread. He bought a 50-pound bag of flour that costs $64.99. About how much will Mr. Donahue spend on flour for a loaf of bread? A $1.17 B $5.85 C $6.50 D $58.49 how is this answer A

    asked by jhon on January 18, 2016
  64. Chemistry #11

    A solution of ethanol (C2H5OH) is prepared by dissolving 35.0 ml of ethanol in enough water to make 120.0 ml of solution. What is the molarity of the ethanol in this solution? 46.07 g= molar mass of ethanol .079 g/ml=density

    asked by Chelsea on October 14, 2013
  65. Science

    A body of mass 17.25kg rest on a smooth horizontal table. The coefficient of friction between the body and the table is 0.34. What is the horizontal frictional force that will make the body just slide.

    asked by Charity on August 17, 2013
  66. math

    You make cards and sell them for $2.50 each. It costs $1.15 to print each card. You also pay $50 for supplies. How many cards must you sell to meet the cost for making the cards (you break even)? Round up to the next whole card.

    asked by kim on February 16, 2016
  67. Math

    Liana has two toy planes. The first plane is on a string that is 12 feet long. The second plane can go in a circle that has a diameter of 22 feet. Which plane can make a larger circle in the air? Explain.

    asked by Alaina on January 25, 2011
  68. Maths

    An 8 x 8 x 8 hollow cube is constructed from 1 x 1 x 1 cubes so that its six walls are 1 cube thick. The number of 1 x 1 x 1 cubes needed to make the hollow cube is A.169 B.296 C.298 D.384

    asked by daniel on July 28, 2017
  69. math

    A cookie recipe calls for 3/4 of a cup of flour and makes one dozen cookies. How many cookies can you make if you have 10 cups of flour and want to use it all? I said 160 cookies. I used a proportion to solve this but is there another way to solve it?

    asked by Sam on January 27, 2016
  70. Geometry

    A plumber knows that if you shut off the water at the main valve, it is safe to remove the sink faucet. The plumber turns the main valve to the “Off” position. What conclusion can the plumber make?

    asked by Needs Help on January 22, 2011
  71. Linear Algebra

    Demonstrate that t T: P3 -> P3, Tp = p' is a linear function. I know that to demonstrate if something is a linear function I must, check if the sum and multiplication with a scalar is linear. But I am a bit concerned cause when I derivate P3 it will always

    asked by Lara on April 10, 2019
  72. math

    Morgan company received from Lee company an invoice dated September 27.Terms were 2/10 EOM.List price on the invoice were $ 5, 000(freight not included). Morgan received a 9/7 chain discount. Freight charges are Morgan’s responsibilities but Lee agreed

    asked by sabina on September 6, 2012
  73. Stats for managers

    3-100 Matthews, Young and Associates, a Chapel Hill consulting firm, has these records indicating the number of days each of its ten staff consultants billed last year: 212 320 230 210 229 231 219 221 222 a)Without computing the value of any of these

    asked by Anonymous on February 6, 2011
  74. English

    Could you possibly please tell me if everything is OK in the following sentences? Thank you very much in advance. 1) There was an elegant Prioress. Her name was Madam Eglantine. She had a simple and timid smile. 2) Her strongest oath was by St Loy, the

    asked by Franco on April 20, 2010
  75. apa formatting

    Could you critique my paper I have a list of formatting at the end in those boxes could you identify the basic APA formatting tell me whats wrong or correct in each box. My Paper Judy Student May 18, 2007 Instructor: Alexander Hill Making the decision to

    asked by judy on February 26, 2008
  76. Algebra

    Dale invested his savings in two investment funds. The $12,000 that he invested in Fund A returned a 1% profit. The amount that he invested in Fund B returned a 6% profit. How much did he invest in Fund B, if both funds together returned a 3% profit?

    asked by Catherine on March 20, 2017
  77. College Algebra

    John invested his savings in two investment funds. The $12,000 that he invested in Fund A returned a 3% profit. The amount that he invested in Fund B returned a 10% profit. How much did he invest in Fund B, if both funds together returned a 6% profit?

    asked by Sara on March 10, 2015
  78. Serial Killers

    Could you maybe proofread over this essay I did on serial killers based on books I have read? Thanks! Jack The Ripper and Jeffrey Dahmer By:Bryce Screams and moans are heard all over the town as they unveil the corpse of Jack The Ripper's latest victim.

    asked by Bryce on February 26, 2012
  79. Physic

    A vacuum pump is connected to its electric motor by a belt drive (Fig. 9-40, not to scale). The motor rotates at a rate of 1000 rev/min and the diameter of the motor shaft is 2.9 cm. How large (diameter) should the pulley be if it is designed for a speed

    asked by Anonymous on May 1, 2014
  80. Physics

    Would someone check this please? A circular loop of wire of radius 0.10 m and of resistance 2.0 x 10^−3 ohms is in a region where there is a uniform magnetic field B. The field is at 30deg to the normal to the plane of the wire loop as shown in Figure 3.

    asked by charlie on June 19, 2009
  81. Physics

    Would someone check this please? A circular loop of wire of radius 0.10 m and of resistance 2.0 x 10^−3 ohms is in a region where there is a uniform magnetic field B. The field is at 30deg to the normal to the plane of the wire loop as shown in Figure 3.

    asked by charlie on June 20, 2009
  82. Physics

    Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over a frictionless, massless pulley. Block B hangs down vertically. When the two blocks are released, Block B accelerates downward at a rate of

    asked by Emily on February 18, 2016
  83. Economics/Math

    Suppose you are the manager of a small chemical company operating in a competitive market. Your cost of production can be expressed as C = 100 + Q2, where Q is the level of output and C is total cost. a. Is this a short-run cost function? b. What is the

    asked by cb on November 3, 2009
  84. Maths

    In a school of 100 students,70 studied English,30 studied French and 50 studied Latin.everyone studied atleast one of the subject,and 44 studied exactly two of the subject.how many students studied all the subject.

    asked by Luiz on May 19, 2016
  85. accounting

    paying a fixed monthly fee of $15.00 up yo 240 min then .08 per min if i use less than 240 min still paying 15.00 per mo. based on 100 min 240 min 540 min

    asked by LALA on May 10, 2016
  86. Math

    In a school of 100 students,70 studied English,30 studied French and 50 studied Latin.everyone studied atleast one of the subject,and 44 studied exactly two of the subject.how many students studied all the subject.

    asked by Luiz on May 19, 2016
  87. algebra

    A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. How many are not using any of the three? 26 said they drove alone. 33 rode in a carpool. 35 rode public transportation. 8 used both carpools

    asked by Demetrice on May 16, 2012
  88. Math - Check

    2. A cube has a side length of x feet. Which expression represents the surface area of the cube? 4x square units 24x square units x'2 square units 6x'2 square units *** 3. Find the surface area of the cylinder that has a height of 15 cm and a diameter of 2

    asked by Carter on April 17, 2016
  89. Math check, please

    A cube has a side length of x feet. Which expression represents the surface area of the cube? 4x square units 24x square units x'2 square units 6x'2 square units *** Find the surface area of the cylinder that has a height of 15 cm and a diameter of 2 cm.

    asked by Carter on April 17, 2016
  90. chemistry

    Inglês Português Espanhol For the determination of the quantity of chloride in a physiological serum sample by the Volhard method, a sample of 25.00 ml was treated with 50.00 ml of 0.110 mol/L Silver nitrate solution and the excess of silver ions was

    asked by william on October 3, 2017
  91. Chemistry

    The concentration of Pb+2 in a sample of wastewater is to be determined by using gravimetric analysis. To a 100.0-mL sample of the wastewater is added an excess of sodium carbonate, forming the insoluable lead(II)carbonate (267.2092 g/mol) according to the

    asked by Cynthia on February 22, 2012
  92. Math--linear systems

    A local hardware store sells three types of boxes; small, medium and large. The cost of the boxes are; small $10, medium $20 and large $30. In the previous week a total of 1200 boxes were sold resulting in proceeds of $20 000 for the week. The number of

    asked by R on January 6, 2017
  93. Chemistry

    how many electrons does nitrogen gain in order to achieve a noble-gas electron configuration? is it 4? Nope, it's 3. Looking across period 2, you can see that Nitrogen has 5 valence electrons. It wants 8. 8-5=3. Thanxs. How many significant figures are in

    asked by Bryan on January 9, 2007
  94. Related Rates

    (A poignant problem) A 3-foot-tall observer holds a balloon 1 foot in front of her face. Experimentally, the observer releases the balloon and watches as it rises vertically at 5 feet per second. 2 seconds after releasing the the balloon, the observer

    asked by chan on March 2, 2017
  95. math

    Three authors team up to write a childrens book. The publisher pays them according to the following contracts Author - Fixed Rate - Royalty Patricia $3000 - 1n Stephan - $1500 - 2n Harlan - $1000 - 3n Find a simplified expression that represents the total

    asked by dylan on October 27, 2009
  96. math

    Three authors team up to write a childrens book. The publisher pays them according to the following contracts Author - Fixed Rate - Royalty Patricia $3000 - 1n Stephan - $1500 - 2n Harlan - $1000 - 3n Find a simplified expression that represents the total

    asked by dylan on October 27, 2009
  97. history

    1. Why was capturing Quebec so important to the British during the French and Indian War? (1 point) By gaining control of Quebec, the British could increase financial and military support from the colonists. By gaining control of Quebec, the British would

    asked by awesome guy on October 20, 2016
  98. Calculus

    A 12-ft ladder is leaning against a vertical wall when Jack begins pulling the foot of the ladder away from the wall at the rate of 0.5ft/s. What is the configuration of the ladder at the instant that the vertical speed of the top of the ladder equals the

    asked by Zoe on October 26, 2014
  99. Calculus

    A 12' ladder is leaning against a wall making an angle theta with the ground. The ladder begins to slide down the wall. what is the rate of change of the height of the ladder, h, with respect to the change in the angle of the ladder with the floor when the

    asked by Anonymous on November 16, 2012
  100. Physics*

    A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 575 kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 5,000 rev/min. (a) Find

    asked by Allie on October 20, 2011

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