Posts by Meghan

Total # Posts: 326

  1. Calculus

    The base of a triangle is shrinking at a rate of 1 cm/min and the height of the triangle is increasing at a rate of 6 cm/min. Find the rate (in cm2/min) at which the area of the triangle changes when the height is 38 cm and the base is 36 cm. I just want to say thank you for ...
  2. Calculus

    A 18 ft ladder is leaning against a wall. If the top of the ladder slides down the wall at a rate of 3 ft/s, how fast (in ft/s) is the bottom moving along the ground when the bottom of the ladder is 9 ft from the wall? Also, this one. I have done the pathag theorem and then dy...
  3. Calculus

    But when I did this, I got 141.96 which according to the database I'm entering this into, Is still incorrect.
  4. Calculus

    A road running north to south crosses a road going east to west at the point P. Car A is driving north along the first road, and an airplane is flying east above the second road. At a particular time the car is 15 kilometers to the north of P and traveling at 55 km/hr, while ...
  5. Calculus

    The radius of a circle increases from 2 meters to 2.1 meters. Use differentials to estimate the increase in the area of this circle I dont understand how to do this type of problem could someone help?
  6. clubs

    oh thanks so much Ms.Sue!!!!
  7. clubs

    is it 1.25?
  8. clubs

    I think I have to divide 30 by the percent of the people that were there last year
  9. Math

    last year the back gammon club had 30 members. this year the club has 24 members. find the percent of decrease in the number of members please help!!!!! it has to be done by tomorrow for school!!!!
  10. population

    thanks Ms.Sue !!!!!!!
  11. population

    the number of students at Maria's school decreased to 98% of last years number. currently, there are 1,170 students . how many students were there last year? round to the nearest whole number.
  12. distance

    thanks mrs.sue!!!!!
  13. distance

    the number of feet between 2 objects varies directly as the number of miles. if the distance between 2 objects is 2 1/2 miles or 13,200 feet, how many feet are equivalent to a distance of 7 miles? plz show the work too!!!
  14. math

    thanks soo much I really am freaking out over this question!!
  15. math

    an item originally costs 16.95 and is on sale for 22% off the original price. the sales tax is 6.5%.find the cost of the item. explain each step.
  16. Math

    Find the maximum area of a rectangle inscribed in the region bounded by the graph of y = (3-x)/(2+x) and the axes. (Round your answer to four decimal places.)
  17. Math

    Consider two nonnegative numbers x and y such that x + y = 12. Find the values of x and y that optimize the following quantity. xy Maximize the quantity. {x, y} = Minimize the quantity. (Order your answers from smallest to largest x, then from smallest to largest y.) {x, y...
  18. Math

    mrs.sue are you always criticizing people for what they know and what they don't know? if so do not put kids such as me and others hopes down and just help us instead
  19. Math

    This is a website about helping with hw. frankly, I dont know how to get these problems started, so help? or don't
  20. Math

    You have 700 ft of fencing to make a pen for hogs. If you have a river on one side of your property, what are the dimensions (in ft) of the rectangular pen that maximize the area? shorter side longer side
  21. Math

    Find the dimensions (in units) of the closed cylinder with volume V = 16? units3 that has the least amount of surface area. radius units height units
  22. Math

    You are the manager of an apartment complex with 50 units. When you set rent at $800/month, all apartments are rented. As you increase rent by $25/month, one fewer apartment is rented. Maintenance costs run $50/month for each occupied unit. What is the rent (in dollars) that ...
  23. Calculus

    A patient's pulse measures 110 bpm, 70 bpm, then 60 bpm. To determine an accurate measurement of pulse, the doctor wants to know what value minimizes the expression (x ? 110)2 + (x ? 70)2 + (x ? 60)2. What value (in bpm) minimizes it?
  24. Math

    You can run at a speed of 4 mph and swim at a speed of 2 mph and are located on the shore, 3 miles east of an island that is 1 mile north of the shoreline. How far (in mi) should you run west to minimize the time needed to reach the island?
  25. Math

    Find the volume of the largest right circular cylinder (in units^3) that fits in a sphere of radius 4 units.
  26. Calculus

    What i found out from working this wrong a few times, it is 30 because that is the minimum spot it would take to minimize the amount of wire needed for the project.
  27. Calculus

    Two poles are connected by a wire that is also connected to the ground. The first pole is 60 ft tall and the second pole is 30 ft tall. There is a distance of 90 ft between the two poles. Where should the wire be anchored to the ground (in ft, from the shorter pole) to ...
  28. Java programming

    How can I do the math specifically on this The water rates vary depending on the type of usage. A code of H means home use, a code of C means commercial use, and a code of I means industrial use. Any other code value should be treated as an error. Water rates are computed as ...
  29. Math

    2/3 and 5/6
  30. Math

    Using his driver on the 7th tee, Chris hits an excellent shot, right down the middle of the fairway. The ball follows the parabolic path shown in the figure, described by the quadratic function: h(x)=0.5x-0.002x^2. This relates the height, h, of the ball above the ground to ...
  31. Math

    Using his driver on the 7th tee, Chris hits an excellent shot, right down the middle of the fairway. The ball follows the parabolic path shown in the figure, described by the quadratic function: h(x)=0.5x-0.002x^2. This relates the height, h, of the ball above the ground to ...
  32. Math

    A tree grows vertically on a slope which has an incline of 27 degrees. When the sun is at an elevation of 78 degrees, the tree casts a shadow of 48 feet directly down the slope.
  33. algebra

    Ociel has designed a square mural that measures 10 feet on each side. Bill has also designed a square mural, but his measures y feet shorter on each side. a. Write an expression to represent the area of Bill's mural: (10-2y)(10-2y) b. How much smaller than Ociel's ...
  34. Algebra

    Exactly one triangle exists with the given conditions, and it must be a scalene triangle.
  35. Chemistry

    I don't understand, DrBob222.
  36. Chemistry

    Where can I find the Kf expression?
  37. Chemistry

    The formation constant* of [M(CN)4]2– is 7.70 × 1016, where M is a generic metal. A 0.150-mole quantity of M(NO3)2 is added to a liter of 0.870 M NaCN solution. What is the concentration of M2 ions at equilibrium?
  38. politcal science

    0
  39. Physics

    An Alaskan rescue plane traveling 43 m/s drops a package of emergency rations from a height of 129 m to a stranded party of explorers. The acceleration of gravity is 9.8 m/s 2 . Where does the package strike the ground relative to the point directly below where it was released...
  40. College Algebra

    A rectanguler piece of metal is 5 inches longer than it is wide. Square with sides 1 inches longer are cut from the four corners and the flaps are folded upward to form an open box. If the volume of the box is 644 inches, what are the original dimensions of the piece of metal?
  41. English; Grammar

    Hey there! I'm just needing to check my 10 questions because I'm still lost and need assistance. Please correct me if I'm wrong and tell me why! ----------------------------- 1) Choose the answer that identifies the participial in the sentence. Dozens of sweating ...
  42. electron theory and ohm law

    V=IR =15*5 =75V now for the second part I=? , R=15 ohm,V=75Volt I=V/R =75/15 =5A
  43. Chemistry

    The most common source of copper (Cu) is the mineral chalcopyrite (CuFeS2). How many kilograms of chalcopyrite must be mined to obtain 450. g of pure Cu?
  44. Math (Probability)

    In a random poll of science students, it was determined that 90% of students submitted tests before the deadline. In a random sample of 75, what is the probability that exactly 10 submitted after the deadline? What is the probability that less than 10 submitted after the ...
  45. French

    Thankyou (:
  46. French

    This is what I'm translating. 1.) The rat is between the bed and the wall. 2. ) The rat grows. 3. ) The sister saw the rat. 4. ) The rat eats all the family and Eric too. 5.) Eric doesn't play jokes no longer because he has a nightmare.
  47. French

    What I translated... 1.) The rat is between the bed and the wall. 2.) The rat grows. 3.) The sister saw the rat. 4.) The rat eats the family and Eric too. 5.) Mean Eric doesn't play jokes anymore because he has nightmares.
  48. French

    Can someone help me correct this? 1.) Le rat est lit le mur. 2.) Le rat grandit réellement. 3.) La soeur a vu le rat. 4.) Le rat mange sa famille et Eric aussi. 5.) Le méchant Eric ne fait plus ne blagues parce qu'il il un cauchemar.
  49. French

    So is #3 for present: 3.) Stanislas les menace les critueurs. 4.)Bientôt, Alexandre crée un nouveau menu. 7.) Les critiqueurs aiment beaucoup le menu.
  50. French

    Present Revise version à é ô _______________________ 1.) Il y a un homme qui s'appelle Alexandre Lagarde. 2.)Il a un restaurant. 3.) Stanislas le menace les critiqueurs. (I'm confused of what you mean) 4.)Bientôt, Alexandre cree un nouveau ...
  51. French

    Can someone check my present tense story for me in French? as well as the past? (This is another simpler summarization cuz my other one was so complicated) but thx to whoever helped. 1.) Il y a un homme qui s'appelle Alexandre Lagarde. 2.) Il a un restaurant. 3.) Stanislas...
  52. FRENCH

    Merci Merci Merci!!! This helped a lot.
  53. FRENCH

    Apologize for not putting the past tense earlier but here is what I have but I'm not sure of some of the wordings. 1.) Alexandre Lagarde a trouvé sa position à un restaurant renommé. 2.) Il a été menacé par Stanislas question. 3.) ...
  54. FRENCH

    Merci Merci beaucoup Ms.Sue
  55. FRENCH

    Merci Merci beaucoup!
  56. FRENCH

    Here is my present tense story of this in french. Idk if it is right as far as conjugations and anything that is wrong really. #13, 9, 7, 5, & 4 are kinda off. HELPPPP TRANSLATE IN PRESENT AND PAST!!! 1. ) Alexandre Lagarde retrouve son poste à un restaurant renomm&...
  57. FRENCH

    I have this assignment in french to write and translate our summary from a movie we just watched. I need help to translate. (Can you put this summary in Past too) (I already did the summary but words look odd even though I looked on word reference when getting the french ...
  58. Math, Algebra

    Seems like it lol. Thanks.
  59. Math, Algebra

    A dog is 3/8lb heavier than a squirrel. The squirrel is 3/8lb lighter than the ferret. If the weight of the ferret is 1/2lb , find the weight of the dog? ( x+3/8)+(1/2-3/8)+1/2 was the equation I came up with
  60. Math, Algebra

    You rock! Thanks!!
  61. Art 7

    Listen to Random anonymous is right I got 100%
  62. math

    Factor. 2 u - 14u + 49
  63. Chemistry

    Ok I had the wrong idea, thanks so much!
  64. Chemistry

    Write the reduction half reaction for the redox reaction below. ClO-(aq) + I-(aq) => Cl-(aq) + I2(s) Is I- being reduced since Cl is losing an O?
  65. phi103

    Every major religion advocates kindness and helping the poor. It’s clear that these are core human values. True or False: The statement, “Every major religion advocates kindness and helping the poor,” is a premise.
  66. Chemistry

    Thank you so much!!!
  67. Chemistry

    I wasn't sure how to balance the rest of this, I got this far: Oxidation: 2Mg -> ____ Reduction: O2 + 4e- -> _____
  68. Chemistry

    Write the balanced half reaction for the reduction and oxidation reactions for the redox reaction: 2 Mg (s) + O2 (g) -> 2 MgO (s) Notice: for this question you do not have to include a charge of zero and you do not have to include the states. Below is an example of the form...
  69. chemistry

    The Arrhenius theory explains why ammonia, NH3, is basic, but the Bronsted-Lowry theory does not. True or False
  70. chemistry

    Calculate the number of moles in 74.1 g Pb(C2H3O2)2.
  71. chemistry

    The mass of an atom is distributed evenly throughout the atom.
  72. Algebra please help out

  73. Marketing

    Thank you for your input!
  74. Marketing

    I am writing a report for marketing and have to create a fictional business. My first business was a clothing store. I need an idea for another business. I was thinking maybe a candy store, or a water ice store. Are they considered retail ? Do you think those would be easy to ...
  75. Marketing

    I am creating my own company (clothing store) and have to create a circle graph and frequency table, and explain how they can help my company. I don't know what to put in them. I know a circle graph is often choosen to compare things like the cost of different aspects of ...
  76. Marketing

    Is this good? I am doing a report on my own company, and one question asks what five traits do I want my employees to have that will help them maintain good working relationships. I said self esteem, self control, flexibility, honesty and respect.
  77. History

    Thank you Ms. Sue!
  78. History

    I have to write solutions on how to solve the social security problem (the amount to pay retirees will exceed the amount collected to finance the program.) The solutions are, raising the taxes that finance S.S. and Paying S.S. benefits only to people who earn less than a ...
  79. History

    Of course I expanded on the thoughts above in my report, I just narrowed it down here just to show the topics I included in my report. Because it said to use examples from the economy and from society.
  80. History

    I have to write a page report explaining how the 1920s laid the foundation for today's society. I just wanted to know if the stuff I am adding in my essay are relevant. I was going to include how people in the 1920s started putting stuff on credit via installment plans, ...
  81. History

    I agreed most with paying social security benefits only to people who earn less than a certain amount of money. Because that will save the government money, and the rich and middle class people can save up money easier than low income families, so they don't really need as...
  82. History

    I am home schooled and I am suppose to ask people their ideas on how to solve the Social Security problem. It says in my book the population of working Americans is not growing quickly enough to fund continued increases in Social Security spending. At some point after the year...
  83. College Physics

    How many gallons of Oil would be in a cylindrical tank that was 24 feet long and had a diameter of 6 feet if the oil was 6 inches deep at the bottom of the tank?
  84. Marketing

    Thank you.
  85. Marketing

    Which of the following statements describes how price relates to profit? A. The lower the price is set, the lower the profit will be. B. The prices a business sets for products and services help in determining the profit of the business. C. A good or service with a high price ...
  86. Math

    Thank you.
  87. Math

    1. If a manufacturing company sells a shirt for $15 to its distributors and the distributor sells it for $40, the distributor makes $25 in profit. What is the rate of return? A. 1.5 B. .30 C. .900 D. 1.666 My answer is D. 2. You decide to go shopping with your friends to buy a...
  88. arithmetic

    Hey Ms. Sue I answered my questions, can you check them please? Sorry to bother you I didn't know how to reach you
  89. Math

    Thank you!
  90. Math

    355 - .3% = 354. So C.
  91. Math

    3. I did 1,250 x .30 and got 375. Then I did 1,250 - 375 and got 875. So A is the answer. 4. I did 355 x .3 and got 106.50 and then I did 355 - 106.50 and got 248.50 so B is the answer. Correct?
  92. Math

    Ok thank you. How do I do 3 & 4?
  93. Math

    1. What is the sale price of a music CD that is sold in a retail store for 25% off of the original price of $16? A. $4 B. $12 C. $16 D. $13 My answer is A. 2. What is the percentage markup on the cost of a drill bit set if the cost is $75 and the set is sold for a retail price...
  94. math check answers

    Should I go with 40% then ?
  95. math check answers

    1. If the price of a new digital media player is $249.99 and the cost to the store that sells it is $150, what is the markup of this electronic item? A. $100 B. $98.99 C. $99.99 D. $89.99 My answer C 2. What is the percentage markup of a digital media player that a store pays...
  96. Marketing

    True or False questions 1. An example of promotional advertising would be a company that advertises that they donate a portion of a product's sales to a charity or health organization. I said false. 2. Architectural displays make the customer feel like they are at home. In...
  97. Marketing

    Clothing stores, grocery stores, shoe stores, and bookstores, are all examples of what type of channel member? A. retailers B. producers C. wholesalers D. drop shippers A.Retailers is my answer.
  98. History

    Oh okay, thank you for checking my answer. I think I am going to try to find out about some of the other groups you mentioned so I can add them as well!
  99. History

    Oh I couldn't tell if you were being sarcastic or serious. History confuses me I am sorry ! Its just usually in a question it asks specifically what groups that's why it threw me off
  100. History

    Whats wrong ?
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