Calculus (Answer Check)

88,703 results, page 62

  1. calculus

    Question 1 The figure below shows the rate of change of the quantity of water in a water tower, in liters per day, during the month of April. If the tower had liters of water in it on April 1, estimate the quantity of water in the tower on April . Round your answer to the ...
  2. MATH!

    If the edge of a cube is increased by 50%, then the volume is increased by x%. Find x. PLEASE HELP. THANK YOU. Let Y = edge of a cube. Y + 0.5Y = 1.5Y = new edge of the cube. Then old volume is Y^3 New volume is (1.5Y)^3 = 2.375Y^3. %increase = ([3.375Y^3 - Y^3]/Y^3) x 100 = x...
  3. English

    Write the vocabulary word from the word box that matches each idea. Communicate - flick - alert- signal - chatter - grooms. 1/.............to make neat and clean . Answer: grooms 2/............. to tell a person or animal something. Answer: communicate 3/ .............to warn ...
  4. Marine Science (Check my answers?)

    3. What feeding strategy and adaptation would an organism that lived in the abyssopelagic zone most likely use in order to survive, and why? A. Scavenge dead matter on the ocean floor because it is difficult to find prey in the darkness. B. Use bioluminescence to scare away ...
  5. chemistry

    How many grams of NaCl should be added to 250 grams of water to make a 0.40 m solution? I got 19 grams. this is how I got it. first I found the mass of water = 18g then I converted that to mols 18/250 = .0072. I subtracted 0.072 - 0.40 = 0.328 I found the mass of NaCl = 58 0....
  6. Assistance Dogs

    Please check my answer thanks:) Heidi and her sight-impaired owner Becky are walking from school back to Becky's apartment. There's a water-main break in the next block and Heidi turns to take an alternate route to the apartment. Becky tries to continue straight ahead, but ...
  7. physics

    Which of the following statements is incorrect? a. Baryons consist of three quarks. b. Leptons do not possess any quarks. c. Only mesons possess antiquarks. d. Only certain types of matter possess quarks. when i check these with my reference table, it seems like every answer ...
  8. Math

    A spinner is divided into 12 equal sections where 5 of the sections are red, 3 are blue, 2 are orange, and 2 are green. What are the frequencies of each color if you spend the spinner 60 times? I know I asked this question before but I wanted to check if my answer was correct...
  9. Physical Science

    I have a question and the answer, but I need to know how to get to the answer. Thanks What is the frequency, in hertz, of a sound wave (v=340 m/s) with a wavelength of 0.20 m? answer is 1.7 103 Hz (there is a box symbol after 1.7 and the 3 is superscript)
  10. Calculus Pre Test Questions Monday Part 4

    After t minutes of growth, a certain bacterial culture has a mass, in grams, of M(t) 􏰀=t^2. a. How much does the bacterial culture grow during the time 3􏰄<t􏰄<3.01? b. What is its average rate of growth during the time interval 3􏰄<t...
  11. Calculus Pre Test Questions Monday Part 4

    After t minutes of growth, a certain bacterial culture has a mass, in grams, of M(t) 􏰀=t^2. a. How much does the bacterial culture grow during the time 3􏰄<t􏰄<3.01? b. What is its average rate of growth during the time interval 3􏰄<t...
  12. Algebra-please check

    Could someone please check my solution-Thank you-DRWLS helped me set it up and I solved it, I think From the top of a mountain 150 feet high, Jessie stands at the safety rail on the edge and looks below. The angle of elevation from his bike on the ground to Jessie is 38 ...
  13. Physics -- check answers please (new)

    1. Which of the following best shows the transfer of heat by radiation? a) the hot sand in very painful to step on with bare feet b)the soup pot boils from the bottom towards the top c)the wood stove is painted a flat black colour for maximum heating effect d)the use of fossil...
  14. U.S History - need help to check my answer!!!

    Document D: If slavery be wrong, it is justified by the example of all the world. He cited the case of Greece, Rome and other ancient states; the sanction given by France, England, Holland, and other modern states. In all ages, one half of mankind have been slaves. If the ...
  15. English

    What is the adverb in these sentences? I got the answer, but can you check? In the past, scientists did not have much information about certain animals. Adverbs: Past, much With modern technology that has already changed. Adverbs: modern, already A cat will angrily claw. ...
  16. English

    Could you please check these sentences? 1) I haven’t been here for long. How long have you been married? Since 1998. (Could you say: How long is it since you got married?) . 2) It’s two months since I last saw Mary. Mrs Brown hasn’t seen her son for three months. 3) When...
  17. English ( please check my answer!)

    In “No Witchcraft for Sale,” what belief prevents Gideon from sharing his people’s knowledge with the Farquars? (a)He believes his people’s culture is sacred and cannot be shared even if it might benefit others. (b)He thinks white people are only interested in making ...
  18. check!

    here is the question: log5(x-4)= log7x solve for x. These are just base 10 logs. log100 = 2 This equation has the same format as log 40 = log (2x20) Since both sides have log base 10, you divide by log base 10 and end up with 5(x-4) = 7x, so 5x -20 =7x x=-10 One doesn't ...
  19. Homework Help Calculus

    Use linear approximation to estimate the amount of paint in cubic centimeters needed to apply a coat of paint 1/100cm thick to a hemispherical dome with a radius of 18 meters. I tried it but I keep getting the wrong answer.Here's what I did below: sphere: V = ⁴/₃&#...
  20. American Gov.

    In holt vs hobbs what did the supreme court use as a basis for its decision? a. Holt was not a member of a recognized religion. b. the government was preventing Holt from practicing his religion. c. The prison had a compelling interest in facilitating prisoner identification ...
  21. calculus

    Previously asked: the length of a rectangular prism is increasing at a rate of 8 cm/s, its width is increasing at a rate of 3 cm/s, and its height is increasing at a rate of 5 cm/s. when the length is 20 cm, width is 10 cm, and height is 15 cm, how fast is the volume of the ...
  22. Calculus

    The marginal cost of a product is modeled by dC/dx =12/Cube root (12x+5) where x is the number of units. When x = 13, C = 160. (a) Find the cost function. (Round your constant term to two decimal places.) C= Ans- 3/2(12x+5)^2/3 +115.61 ???? (b) Find the cost of producing 70 ...
  23. Calculus Please Help

    A) If x^2+y^3−xy^2=5, find dy/dx in terms of x and y. dy/dx=________ B) Using your answer for dy/dx, fill in the following table of approximate y-values of points on the curve near x=1 y=2. 0.96 ______ 0.98 ______ 1.02 ______ 1.04 ______ C) Finally, find the y-value for ...
  24. social studies

    When was the state seal of Minnesota adopted? Check this site for your answer. http://www.netstate.com/states/symb/seals/mn_seal.htm
  25. Chem Check Please!!!

    If an octahedral iron(II) complex is diamagnetic, which of the following sets of conditions best describes the complex? a. low-spin, Delta 0 small b. low-spin, Delta 0 large c. high-spin, Delta 0 small d. high-spin, Delta 0 large e. none of these Answer C or D not sure
  26. Calculus

    A ball is dropped from the top of a building. The height, , of the ball above the ground (in feet) is given as a function of time, , (in seconds) by y = 1640 - 16t^2 y'= -32t When does the ball hit the ground, and how fast is it going at that time? Give your answer in feet per...
  27. Algebra 1

    11) Tell which real number corresponds to the situation. During a quiz, a person loses 1800 pts. answer: -1800 12) Solve for y z=yq Answer: z-q=y 13) Solve using the multiplication principle 10x=-90 Answer: x= -9 14) Collect like terms 20w+w+14/19w Answer: 413w 16) A mountain ...
  28. calculus

    I have a couple of questions that I'm not sure how to do! 1) Given f(x) = (x^2 - 2x + 1) for x does not equal 1 and (k) for x = 1 Determine the value of k for which f is continuous for all real x. a) 0 b) 1 c)2 d)3 e)none of the above i think the anser is a but i'm really not ...
  29. Spanish-6th grade-Please check my answers

    Could you please check these I think they're correct but I'm not sure. 1.How old am I? Tengo once años. 2.How old is your father? Mi padre tiene cuarenta y seis. 3.Do I have siblings? Sí,tengo dos hermanos. 4.Son mayores or menores? Son mayores. 5.Are you older or younger ...
  30. math

    A stock that sold for 22$ at the beginning of the year was selling for 24$ at the end of the year. If the stock paid a dividend of .50$ per share,what is the simple intrest rate on a investment in this stock? The simplest answer is that it depends on what the owner paid for ...
  31. Chem answer check

    Do these look right? What shape does an ammonia (NH3) molecule have?trigonal pyramidal In a tetrahedral molecule, how many unshared pairs of valence electrons does the central atom have? none In a polar bond, electrons are? completely transferred What determines the polarity ...
  32. Calculus 2

    Calculus 2. Tom and Mike have a bet as to who will do the most work today. Mike has to compress a coil 200 feet. It takes Mike 250 lbs to compress the coil 10 feet. Tom needs to pump water through the top of a cylindrical tank sitting on the ground. The tank is half full, has ...
  33. math

    Could someone please check my questions? My answers are under the questions... and any help will be greatly appreciated 33. Jane works at the public library after school. She makes $7.00 per hour. She cannot work more than 15 hours per week. If y = 7x represents Jane's earning...
  34. Math

    Could someone please check my questions? My answers are under the questions... and any help will be greatly appreciated 33. Jane works at the public library after school. She makes $7.00 per hour. She cannot work more than 15 hours per week. If y = 7x represents Jane's earning...
  35. Math (check answers)

    Since the opening night, attendance at Play A has increased steadily, while attendance at Play B first rose and then fell. Equations modeling the daily attendance y at each play are shown below, where x is the number of days since the opening night. On what day(S) was the ...
  36. Spanish: Check my Answers Please, Thank you!!

    The question Answer choices what i know is incorrect what my answer is 1) ____________________ muchachas colombianas son bonitas. El, La, Los, Las Not La or El Los? 2) Ella ____________________ una alumna en el Colegio Martí. Soy, Eres, Es, Somos, Son Not Somos Am not sure, ...
  37. Indicators and Solutions

    Which indicator is used to check for the presence or absence of simple sugars? What indcates the presence of simple sugars in a solution? What indicator is used to check for the presence of starch? What indicates the presence of starch in a solution?
  38. Chemistry(Please check)

    The equilibrium constant, Kc for the system, CaO(s) + CO2(g) == CaCO3(s), is A. Kc = (CaO) (CO2) / (CaCO3) B. Kc = (CO2) C. Kc = (CaCO3)/(CaO) D. Kc = (CaCO3) / (CaO) (CO2) E. Kc = 1 / (CO2) My answer is (CaCo3) / (CaO)(CO2). Would you agree?
  39. Work History Answer Check (Ms. Sue)

    According to Aristotle, what makes the rich and downtrodden poor rulers? A: According to Aristotle, the rich and downtrodden would make poor rulers because they would be greedy and selfish and treat each other unfairly due to pride or rascality. Furthermore, Aristotle believed...
  40. Chemistry (Check and Help)

    Which is more concentrated, 500mL of a .20M solution of NaCl or 250mL of a .25M solution of NaCl? MMNaCl = 58.44247 M x V = n .5L x .2M = .1moleNaCl .1moleNaCl x (58.44247gNaCl / 1moleNaCl) = 6gNaCl .25L x .25M = .0625moleNaCl .0625moleNaCl x (58.44247gNaCl / 1moleNaCl) = 3....
  41. Calculus

    Use the given equation to answer the following questions. (Enter your answers from smallest to largest.) r = 8cos(¦È) 0 ¡Ü ¦È < ¦Ð (a) Find the points on the given curve where the tangent line is horizontal. theta= theta= (b) Find the points on the given curve where...
  42. check!

    Posted by Anonymous on Thursday, February 22, 2007 at 12:20pm. The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting ...
  43. Chemistry

    Check my answer please? A reaction requires 22.4 L of gas at STP. You have 45.0 L of gas at 100 kPa and 373 K. Which of the following statements is true? The gas constant is 8.31 L-kPa/mol-K. You will have an excess of gas and the reaction will occur. <--------- You will ...
  44. Spanish-SraJMcGin-please check

    Posted by Megan on Wednesday, October 13, 2010 at 5:08pm. I just reposted this from the earlier post- I have two questions about translation. If asked this question, how do I answer it. Cual es tu numero de telefono? I know it is asking my phone number which is 447-7161 but I ...
  45. English Check answers

    Transportation Strike Disrupts Westridge Thousands unable to get to work or school WESTRIDGE, Ohio—More than 600 transportation employees went on strike at midnight last night after the Westridge City Council rejected their demand for a 10% pay increase. The strike affects ...
  46. Health info

    Please check my answer thanks. Dr Johnson is treating a psychotic drug user. The patient suddenly leaves the facility, leaving a note that he plans to kill his ex-wife. The pt left behind his antipsychotic meds that he must take every two hours Dr Johnson... 1. MAy not release...
  47. Physics

    while surveying a cave, a spelunker follows a passge 180m straight west, then 210 m in a direction 45 degrees east of south and then 280m at 30.0 degrees east of north. After a fourth unmeasured displacement, she finds herself back where she started. Use vector components to ...
  48. World History Answer Check

    1. How did the governments favored by Plato and Aristotle differ? Which view makes more sense to you? A: The government favored by Plato consisted of classes and categorization, whereas Aristotle's favored form of government was a constitutional one. Thus, Aristotle's view ...
  49. Please Check Answers for Health

    Please check my answers because I need to do good at this. 1. When consuming fats the healthiest choice is foods high in? A. saturated fats B. unsaturated fats * C. trans fat D. cholesterol 2. The body's main energy source should come from what essential nutrient? A. protein* ...
  50. English Punctuation

    Where do the commas go in these sentences? Please check. 1. Most criminals are armed, and it is unlikely that a ban on guns would ever be passed in the United States,and, therefore, it is mandatory that police officers be armed. 2. Police officers must be knowledgable about ...
  51. math

    Urban Community College is planning to offer courses in Finite Math, Applied Calculus, and Computer Methods. Each section of Finite Math has 40 students and earns the college $40,000 in revenue. Each section of Applied Calculus has 40 students and earns the college $60,000, ...
  52. calculus

    Hi, I have online homework for calculus and I have to input two equations that will describe this graph. I have an image but Jiskha won't let me link to any websites... if this is allowed the URL to the image of the graph is img145.imageshack.us/ img145/1787/80193630 .png ...
  53. chemistry(check my answer)

    The overall rate of a chemical reaction is determined by a)the slowest step in the reaction mechanism. b)the fastest step in the reaction mechanism. c)ΔG for the overall reaction. d)the last step in the reaction mechanism. e)the first step in the reaction mechanism. is it...
  54. Poetry check?

    So I'm doing a project called Equality Matters. I decided to try and use my writing abilities to help me. Can you check this poem? To Be Who You Are Meant To Be: Equality Matters People tell me to be who I want And to be what I need So whats wrong if I'm an LGBT? No one ...
  55. CHECK!!!+ math

    hi here is my question: what is the general term of the following series? 60/121,-30/11,15, 165/2...... my answer I am debating between two ansers!: 1) (60/121) X (-11/2)^n 2) (-120/1331) X (-11/2)^n I belive the second one is right am I right? thanks! I don't think either is ...
  56. Psychology -- Check please?

    According to Solomon Asch's study of conformity, which of these situations would not increase conformity? feeling insecure feeling you have reached your potential feeling impressed by a group's status feeling that others are watching you feeling that everyone else agrees with ...
  57. calculus

    A rock is thrown upward with a speed of 48 feet per second from the edge of a cliff 400 feet above the ground. What is the speed of the rock when it hits the ground? Use acceleration due to gravity as -32 feet per second squared and approximate your answer to 3 decimal places...
  58. Maths - check answer

    On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The interest rate on the ...
  59. Calculus

    So, I have a homework question on The Quotient Rule (taking derivitives) and I would like to know if I did it right. Calculate: y=(1/sqrt(x))-(1/(5th root of x^3). My 1st step was to change the sqrt to x^1/2, and the 5th root to x^1/5+^3. So then I got y=(1/x^1/2)-(1/x^16/5). ...
  60. Math (check answers)

    please check these answers 1.D or A 2.C 3.B 1.which would you measure in meters? A.the length of a pencil B.the capacity of a cup C.the mass of a puppy D.the length of a car 2.which would you measure in kilograms? A.the mass of a butterfly B.the capacity of a bottle C.the mass...
  61. dog behavior

    please check my answer thanks :) If you're going to be teaching a dog a lot of different basic commands, what would be best to use as a treat? A. Small scoops of canned dog food B. Small pieces of rawhide C. Half of an ordinary dog biscuit D. An extra special treat the dog ...
  62. Physics - check this work for horizontal displacem

    A 1.5kg melon is placed on top of the post. A girl lying on the ground fires a 500g arrow at ground level with velocity of 20m/s, 60deg above the horizontal, and hits the melon when the arrow is at its highest point. The melon, with the arrow embedded, falls to the ground. ...
  63. Chem Check Please!!!

    In an octahedral complex, electrons in dz^2 and dx^2-y^2 orbitals experience a greater repulsion from the lone pairs of electrons on ligands because these orbitals a. contain more electrons than the other three d orbitals. b. each contain one unpaired electron. c. are oriented...
  64. Social Studies

    Why are conflicts between the executive branch and legislative branches of a parliamentary system government unlikely to occur? A. parliament as a whole maintains strict oversight over the executive branch B. The executive branch is a part of the parliament, which is the ...
  65. Social Studies

    Why are conflicts between the executive branch and legislative branches of a parliamentary system government unlikely to occur? A. parliament as a whole maintains strict oversight over the executive branch B. The executive branch is a part of the parliament, which is the ...
  66. math(check answers)

    please check my math ANSWERS 1.which pair of ratio form a proportion? choose all that apply. A. 1/6, 4/20 B. 7/9, 28/36(I PICK THIS) C. 14/18, 21/27 D. 30/80, 8/18 2.which pair of ratios does not form a proportion? A. 3/5, 24/40 B. 30/10, 15/3(I PICK THIS) C. 9/14, 3/4 D. 7/12...
  67. socialstudies(CHECK ANSWERS)

    PLEASE CHECK MY ANSWERS please check my answers and if there wrong maybe you could tell me the correct one.but thanks anyways. 1. How did the formation of the National Action Party change Mexican politics? A.It ended the one-party system. B.It consolidated power among a few ...
  68. Craig - baloon - calculus moved up

    Posted by Craig on Tuesday, November 25, 2008 at 7:54pm. t: 0 2 5 7 11 12 r'(t): 5.7 4.0 2.0 1.2 0.6 0.5 The volume of a spherical hot air balloon expands as the air inside the balloon is heated. The radius of the balloon in feet is modeled by a twice-differentiable function ...
  69. Check!!!

    okay so the question is: A unit circle center at the origin undergoes a series of transformations. The equation of the resulting graph is (x-3)^2+ (y+4)^2= 25 describe the transformation the unit circle underwnt Answer: The original circle was centered at the origin and had ...
  70. pre calculus

    Question 1: Explain why the equation of the line y=5 has a slope that is undefined. Explain in words or mathematically. Question 2: Given any circle, the coordinates of one endpoint of a diameter is (3,-2). If the coordinates of the center are (2,-4), find the coordinates for ...
  71. MATH CHECK!

    There are 20 red beans in the jar 10 fewer white than yellow half as many orange than red 10 more black than green twice as many yellow as red 5 fewer green as red please check: 10 orange 15 green 25 black 40 yellow 25 pink 30 white
  72. biology

    1. The process by which the ER uptakes an incipient polypetide concurrent with treanslation of the peptide is called..... a. co-import translation b. co- translation import c. co-transcription import d. co-transprt I believe the answer is "c" please check I think not C Try ...
  73. Science

    Hey! so, I was just wondering if someone could check a few of my answers. 1. during what phase of the moon can a lunar eclipse occur? A. New moon B. First Quarter C. Waxing gibbous D. Full moon* 2. Which of the following is the smallest possible amount of time that can pass ...
  74. English

    Can you please check these sentences for me? Thank you very much. 1) Storm wants to borrow Rob's bicycle pump because she wants to train for the triathlon. 2) In the beginning she didn't want to race (for the triathlon) but then she changed her mind. She was slow on her bike ...
  75. College Algebra

    If 24% of your monthly pay is withheld for federal income taxes and another 6% is withheld for Social Security, state income tax, and other miscellaneous items, leaving you with $989.50 a month in take-home pay, then the amount you earned before the deductions were removed ...
  76. Chem.

    If 0.130 g of p-aminophenol is allowed to react with excess acetic anhydride , what is the theoretical yield of acetaminophen in moles? In grams? p-amino. - MW: 109.13g aceta. - MW: 151.16 g ** I just forgot how to do this, I know it's probably REALLY simple. I took a stab at ...
  77. Calculus

    Determine whether the series from 0 to infinity of cos(nπ)/(n + 3) converges conditionally or absolutely. A. The series diverges. B. The series converges conditionally but not absolutely. C. The series converges absolutely but not conditionally. D. The series converges ...
  78. Calculus

    A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a continuous function of ...
  79. pre-calc

    Can someone check my work please? Convert each polar equation to a rectangular equation. Then determine the graph's slope and y-intercept. ( I'm going to type 'x' instead of theta ) r sin(x- pi/4)=2 r(sin(x- pi/4))=2 r(sinx*cos pi/4 - sin pi/4*cosx)=2 r(sqrt2/2*sin x - sqrt2/2...
  80. Critical Thinking Quiz phi 103

    Surveys show that people who use calorie information to decide which foods to eat consume on average 100 calories less than they would if they didn’t check calorie information before eating. Strangely though, people who use calorie information in this way weigh more on ...
  81. chemistry step for step thank a lot

    10L of hard water required 5.6g of lime for removing hardness. Hence temporary hardness in ppm of cac03. The answer 1000 I think ppm= 1mg/1L 10L x 100g/mol cac03 = 1000 Who check it for me step by step Thank all tutors for your help. How many ml of a 0.05M kmno4 solution are ...
  82. Calculus

    Hi there i am having some problems trying to do my calculus homework and i really need help on how to show the step to proof the volume of a sphere which is V= 4/3pirsquare. But I have to use triple integral to proof the volume of a sphere. Please help me and give me some good...
  83. Calculus

    After its fastest rate of growth ever during the 1980s and 1990s, the rate of growth of world population is expected to slow dramatically in the twenty-first century. The function G(t) = 1.58e−0.213t gives the projected annual average percent population growth per decade...
  84. chemistry (Pls Bob check for me)

    Aspirin c9h8oh molar mass = 180.1g/mol can be prepared by the reaction of salicylic acid c7h603 molar mass = 13801 g/mol with acetic anhydride c6h603, according to the following equation. A chemist starts with 2 gram of salicylic acid reacts it with excess acetic anhydrate, ...
  85. English (Check)

    What type of question can the bolded text help you answer? My social studies teacher, Ms. Galvez, rolled her eyes at me and I rolled my eyes back at her. The Man was always coming down on me, just because I go through school firewalls like wet Kleenex, spoof the gait-...
  86. Language Arts

    What is the meter of line 6? A wildcat roaring past steep banks A)stressed, unstressed, stressed, unstressed, stressed, unstressed, stressed, unstressed B)unstressed, stressed, unstressed, stressed, unstressed, stressed, unstressed, stressed*** C)unstressed, unstressed, ...
  87. Medical Information Management and Office Practice

    Please check my answers. 1.Dr. Jones used an abbreviation that no one was familiar with. What can be done to prevent this from happening in the future? A. Ask the physician to take a course on medical abbreviations. B.Designate an approved abbreviations list. C.Incorporate ...
  88. behavior problems (dogs)

    please check my answer thanks Ariel is a six-year-old, spayed female Doberman. She has recently begun licking her left foreleg almost constantly. The licking has created a sore on her leg, but she continues the behavior. Your first recommendation to the owner would be to A. ...
  89. accounting srjmcgain

    thank you for helping me but i cant put two choices down so can you pick which is better please that will help me alot i will appreciate it so much. thank you. 1. Think again. You have received money = a, c It is a positive thing for y ou. 2. This is a negative thing for you. ...
  90. Calculus

    Use a symbolic differentiation utility to find the derivative of the function g(x)=xã((x^2)+1). Use the utility to graph the function and is derivative on the same set of coordinate axes. Describe the behavior of the function that corresponds to any zeroes of the graph of ...
  91. Calculus III

    Find the moment of inertia about a diameter of s spherical shell of uniform density, D, bounded by two concentric spheres of radii a and b, where a<b. Express your answer in terms of a, b and the mass of the spherical shell. So far I have found my equation for row (p), and ...
  92. Chemistry -Flame colors (check+help)

    What are the characteristic flame color for sodium, potassium, barium, copper, strontium, and calcium? Explain why? Ans: i know the flame colours, but for the explain why, could the below be a possible answer? The characteristic flame color is due to the shift in the energy ...
  93. calculus

    1. Find the area of the region bounded by f(x)=x^2 +6x+9 and g(x)=5(x+3). Show the integral used, the limits of integration and how to evaluate the integral. 2. Find the area of the region bounded by x=y^2+6, x=0 , y=-6, and y=7. Show all work required in #1. 3. Find the ...
  94. Calculus 3

    A medieval city has the shape of a square and is protected by walls with length 550 m and height 16 m. You are the commander of an attacking army and the closest you can get to the wall is 100 m. Your plan is to set fire to the city by catapulting heated rocks over the wall (...
  95. chem/plz/check work studying for a final

    A 20.5 lb cast iron boat anchor displaces 1.33 qt of water when submerged. What is the density of the cast iron, in g/cm3? 1L=1.057 qt 1kg=2.205lb 1lb=453.6g 20.5lb X 453.6g/ 1lb = 9298.9g 1.33qt X 1L/1.057qt = 1.26L 1.26L X 1000cm3/1L = 1260cm3 9298.9g/1260cm3 = 7.38g/cm3 **...
  96. methods of sbtracting mixed fractions

    Hello, I need did a subtraction problem with mixed numbers by converting the LCD of the denominator. However, when I went to Algebra.help they did the problem by converting the mixed problem to an improper fraction and then worked it that way. However, I know that the answers ...
  97. Calculus

    Determine whether Rolle's Theorem can be applied to f on the closed interval [a,b]. If Rolle's Theorem can be applied, find all values of c in the open interval (a,b) such that f'(x)=0. f(x) = x^(2/3) - 1 [-8,8] I plugged in both values and found out that they both equal 4 so ...
  98. Algebra

    Could you please check my work. Determine whether the realtion is a funtion. 2.{(-6,2),(-2,5),(3,2),(3,-7)} -Not a function 2. Determine whether the equation defines y as a function of x. 2x+4y=15- the answer I got is y is a fucntion of x. Evalute the function at the given ...
  99. Physics-can anyone check my work?

    A particle starts from the origin with velocity 2i m/s at t = 0 and moves in the xy plane with a varying acceleration given by 2 (sq root t) where is in meters per second squared and t is in seconds. (a) Determine the velocity of the particle as a function of time. So I ...
  100. Algebra

    This excerpt comes from a letter Jefferson wrote in response to the supreme courts decision on marbury v.madison. what was Jefferson's greatest concern? A. He was concerned that the decision gave the supreme court too much authority. ******* B. He was concerned by the fact ...
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