1. math

    Would the answer be 2000 to this? with 1,200 i got 4,000? If 600cm^2 of material is available to make a box with a square base and a closed top, find the maximum volume of the box in cubic centimeters.

    asked by Gary on March 6, 2015
  2. Math

    An open box is formed from a piece of cardboard 12 inches square by cutting equal squares out of the corners and turning up the sides. Find the volume of the largest box that can be made. Help!

    asked by Tracy on February 7, 2017
  3. Physics

    When a force of 500 N pushes on a 25-kg box, the acceleration of the box up the incline is 0.75 m/s^2. If the inclined plane makes an angle of 40 degrees relative to the horizontal level, what is the coefficient of kinetic friction?

    asked by ylopez on July 5, 2016
  4. Math

    We want to construct a closed rectangular box whose base has a length three times the width. The surface area has to be 600 cm2. Determine the dimensions of the box that will produce the largest volume.

    asked by R on December 20, 2016
  5. calculus

    A box of rectangular base and an open top has a surface area 600 cm2. If the height of the box is equal to its width, find the dimensions that give a maximum volume.

    asked by ayah on January 15, 2013
  6. physics

    A box, open at the top, in form of a cube of edge length 40 cm, is constructed from a metal plate. Find the coordinates of the center of mass of the box with respect to x, y, and z coordinate system.

    asked by Karl on October 10, 2011
  7. Calculus

    An open box is formed from a piece of cardboard 12 inches square by cutting equal squares out of the corners and turning up the sides, find the dimensions of the largest box that can be made in this way.

    asked by Alexa on April 28, 2016
  8. Physica

    (Please put the resulting figures and Thanks)))) a man pushes a box of mass 5 kg in a horizontal direction by 10 N force on the surface through a distance of 5m if the cofficien of kinetic friction is 0.2 the total work done on the box is

    asked by 19191919 on July 16, 2012
  9. Calculus (Optimization)

    The U.S. Post Office will accept a box for shipment only if the sum of the length and girth (distance around) is at most 108 inches. Find the dimensions of the largest acceptable box with square ends.

    asked by Mishaka on December 16, 2011
  10. MATH

    A box with an open top has vertical sides, a square bottom, and a volume of 4 cubic meters. If the box has the least possible surface area, find its dimensions. Length of base= Height=

    asked by Jim on November 15, 2012
  11. Test-Taking Strategies

    Please check my answers! Please Check if they are wrong please tell me! Thanks! Only 2 questions! 1: Which of the following is a good way to approach answering an essay question and a test? a.) Start writing your answer as soon as you have read the

    asked by Cindy on January 16, 2014
  12. English

    Which of the following is a sentence fragment? He spent twenty dollars on those shoes. How much did you spend on those shoes? That much money on those shoes? Spending way too much! C or D?

    asked by Anonymous on December 9, 2013
  13. spelling

    some people say cats have 9 of these answer: moms, dads, and children make up these answer: they are in-between words in a sentence answer:

    asked by Anya on December 8, 2008
  14. English

    I was very tired, but it was great to be in Antarctica. Everyting was covered with snow. 1)It was so beautiful. --------------------------- What does 1) refer to in the last sentence? Antarctica, everything, or everything in Antarctica?

    asked by rfvv on July 12, 2010
  15. English

    1. He stopped smoking. 2. He quitted smoking. Are both the same sentence? Does #1 mean that he decided not to smoke again or mean that he turned the cigarette off after smoking for some time?

    asked by John on October 6, 2008
  16. English

    In this sentence, is there an error in one of the lines or is there no error The hikers caught sight of deers running through the forest no error

    asked by kelley on October 10, 2014
  17. English

    1. She made us clean the hall. 2. We saw him dancing in the hall. (What does 'hall' mean in each sentence, a building, a big room or a hallway?)

    asked by rfvv on June 11, 2011
  18. english

    Need help with writing an essay. My essay will be about giving advices to high school students on how to be a successful. I have to create arguements for it and I don't know how. At first I want to give a difinition of the word "Successful".Then write

    asked by Luna on December 1, 2010
  19. programming

    John: 50,000 Joe: 30,000 Jane: 60,000 Jill: 25,000 Total: 165,000 Declare employees [4] Of Reals Declare Sum, Average As Real Declare salaries As Integer Set Sum = 0 For salaries = 1 Step 1 To 4 Write “Average salaries ”, salaries Input Rain[K] Set Sum

    asked by Anonymous on June 17, 2010
  20. Physics help

    You are pushing three equal boxes, 8kg each, with a force of 250 on the first. What is the magnitude of the force of the first box on the second box? _________N What is the magnitude of the force of the third box on the second? _________N

    asked by arcos15 on October 26, 2012
  21. Physics help

    You are pushing three equal boxes, 8kg each, with a force of 250 on the first. What is the magnitude of the force of the first box on the second box? _________N What is the magnitude of the force of the third box on the second? _________N

    asked by arcos15 on October 26, 2012
  22. Physics help

    You are pushing three equal boxes, 8kg each, with a force of 250 on the first. What is the magnitude of the force of the first box on the second box? _________N What is the magnitude of the force of the third box on the second? _________N

    asked by arcos15 on October 26, 2012
  23. Computer Science

    I posted this question before. The assignment was: write a Java method if the first parameter is less than the second parameter add the two and print the result ten times. How do I write the result 10 times as a loop? This is what I've got but I have a ton

    asked by Trish Goal on July 5, 2015
  24. programming

    How can I write the algorithm in pseudocode to solve this problem: There is 15 pupils in the introduction to programming 1 module. The age of every student is entered in years and months. Convert the age into months to calculate the average. Display the

    asked by Anonymous on February 26, 2015
  25. Pre-Calculus

    Composition of Functions f o g(x)=f(g(x)) --> I know that this is eqivalent to f(g(x)) Given f(x) = 2x+1, and g(X) = 3x+1 find:f o g(x)=f(g(x)) This is what I did, but I don't think Ive solved it correctly f(g(x)) = f(x-3) f(x-3) = 1(x-3)-3x+2 =x-3-3x+2

    asked by Shreya on September 28, 2012
  26. Grammar

    Write "Incorrect" if "good" or "well" is used incorrectly. Write "Correct" if "good" or "well" is used correctly. 1). I'll do good in college. 2). Being conscientious will help me succeed good in life. 3). I'll be a good influence on others too. 4). I have

    asked by Anonymous on April 17, 2013
  27. Language Arts

    Underline the main verb in each sentence. Write present, present participle, past, or past participle to label the main verbs. 1. Randy's class studies world history. - underlines class studies and this is present participle 2. The students are reading

    asked by Patrick on December 1, 2015
  28. Grammar

    I has to revise the following sentence naomi winned, why d you leave me like this! naomi soon began to cry.naomi lucas yelled Its okay youwill be just fine

    asked by Roseliandystarajestarahjaesracritreah on November 27, 2007
  29. English

    I'm writing an essay about the positive effects of homeschooling, but I'm having trouble writing my introduction. Can anyone help me with writing a good, eye catching first sentence? Thanks!!!!

    asked by travi$ on November 21, 2017
  30. English

    Can anyone help me to outline the article, "What $1.2 Trillion Can Buy-NYTimes"? I'm not allowed to post website,but the article can be googled. I'm not quite sure which sentence among the article is the the thesis. thanks

    asked by Ann on June 12, 2009
  31. English

    But at the ticket office he learns that it's leaving early - that evening. -------------------- Q1: What other verbs can we use instead of 'learns'? the meaning of 'learns' here is _______. Q2: What is the function of '_' in the sentence?

    asked by rfvv on October 7, 2014
  32. English

    1. Do you like vanilla-flavored ice cream? 2. What if they were made from cow droppings? (What is the tense of Sentence 2? Is #2 in the past tense or the present tense?)

    asked by rfvv on November 4, 2013
  33. English

    Andy and Kate are really good singers. They can dance well,too. --------------------------- What does the first sentence above mean, #1 or #2? 1. They are prefessional singers and they sings well. 2. They are not professional singers. They just sing songs

    asked by rfvv on April 20, 2016
  34. chem

    I have the following problems- write net ionic equations for reactions if no reaction write NR.... silver nitrate and ammonium carbonate sodium phosphate and potassium nitrate silver nitrate and barium chloride copper (II) chloride and sodium hydroxide

    asked by mel on November 2, 2007
  35. Math

    posted my last question wrong. 1) The slope of a line is 3/4, the line passes through the point(4,7). Where does the line intersect the y-axis? 2) If x/y=z, and x*y*a=0, which of the following variables have to=0? Assume each of the variables is = to a

    asked by Quarie on March 7, 2017
  36. Geometry

    I realize I'll get a reply in the morning so... A squash ball must have a diameter either 0.5 mm either above or below 40 mm. a) What is the minimum and maximum surface area of a squash ball? Express answer to nearest square millimetre. Minimum: 4902

    asked by Lucina on January 12, 2015
  37. LINGUISTICS

    Question Consider the following sentences: (a) River Song is an archaelogist from the future. (b) The number 7 is even Based on these two sentences, which of the following is true? A. (a) entails (b) B. (b) entails (a) C. (a) entails (b) and (b) entails

    asked by Marcella on March 27, 2011
  38. Science

    A box that is initially at rest is pushed by a person at an angle 0 with a force F until it reaches a speed of v. The coefficient of kinetic friction between the box and the surface is U. Is this: work done by person equal to magnitude of friction F work

    asked by Anya on March 6, 2013
  39. MS. SUE OR ANYONE PLS. HELP ME..technical writing

    please help me if this is correct i have made for my homework. instruction is below: As a customer service manager for a local software development company, you want to create a user manual for one of the software applications your company develops. The

    asked by jessie on March 25, 2012
  40. English

    I have to write a argment Paper and it is based on Native Americans traditional culture and beliefs are or are not valuable in today's world. I want to write a paper on how Sioux, Kiowa, and Cheeroke related. I don't know it this is a good thesis: Native

    asked by La on April 24, 2012
  41. english

    List the characters in the story. Write one to two sentences on the defining characteristics of each one, providing at least one citation to illustrate your comments. Why do you think the story is called "A Very Old Man with Enormous Wings" rather than "An

    asked by krystal on July 11, 2010
  42. english

    For my english project I am asked to do the following, "write a research project that is 850 words long in MLA format. My teacher asks the following, in part 2, summarize the findings of your articles and provide commentary and analysis of the information

    asked by amber on August 8, 2017
  43. Writing

    Do you think it is truly possible to get all of the information I would need to write an essay about the sudden "halt" or end of production of electric cars? And, what about the Hybreds? I am apprehensive about this topic because I may not be able to find

    asked by Diana on September 29, 2006
  44. Chemistry (Electrochemistry)

    Consider the titrtation of 25.0mL of 0.0100M Sn2+ by 0.0500M Ti3+ in 1 M HCL, using Pt and Saturated Calomel Electrodes to find the endpoint. F=96486.7 Cmol E0 Sn4+/Sn2+ =0.15V E0 TI3+/TI+ = 1.28 Esce = 0.241V R=8.3141 J K Mol (a) Write the balanced

    asked by James on January 19, 2015
  45. Chemistry

    Consider the titrtation of 25.0mL of 0.0100M Sn2+ by 0.0500M Ti3+ in 1 M HCL, using Pt and Saturated Calomel Electrodes to find the endpoint. F=96486.7 Cmol E0 Sn4+/Sn2+ =0.15V E0 TI3+/TI+ = 1.28 Esce = 0.241V R=8.3141 J K Mol (a) Write the balanced

    asked by James on January 18, 2015
  46. Chemistry (Electrochemistry)

    Consider the titrtation of 25.0mL of 0.0100M Sn2+ by 0.0500M TI3+ in 1 M HCL, using Pt and Saturated Calomel Electrodes to find the endpoint. F=96486.7 Cmol E0 Sn4+/Sn2+ =0.15V E0 TI3+/TI+ = 1.28 Esce = 0.241V R=8.3141 J K Mol (a) Write the balanced

    asked by Daniel on January 21, 2015
  47. Chemistry re-post

    Consider the titrtation of 25.0mL of 0.0100M Sn2+ by 0.0500M TI3+ in 1 M HCL, using Pt and Saturated Calomel Electrodes to find the endpoint. F=96486.7 Cmol E0 Sn4+/Sn2+ =0.15V E0 TI3+/TI+ = 1.28 Esce = 0.241V R=8.3141 J K Mol (a) Write the balanced

    asked by James on January 19, 2015
  48. Physics

    A child pushes a toy box 4.0m along the floor with a force of 6.00N directed downward at an angle of 37.0 degrees to the horizontal. a. How much work does the child do? b. Would you expect more or less work to be done if the child pulled upward at the same

    asked by miss sixty on September 18, 2006
  49. Photo Essay...

    Ummmm.... Sorry, I forgot to mention that I am already about halfway through it, and I can't seem to get back into it. Being a reflection, it is fairly informal, so I simply describe the photos and then explain their meaning. I just always seem to veer

    asked by Jimmy on December 10, 2007
  50. English

    Use your knowledge of prefixes and suffixes to determine the meaning of the underlined word in the sentence below. The fire alarm bell rang at (irregular) intervals throughout the day. a. constant*** b. predictable c. highly inconvenient d. following no

    asked by Kaai97 on January 26, 2016
  51. Basic English

    In which sentence is the underlined word a preposition? A. The Constitution calls for equal rights for all. B. It was a sunny day, but Jane remained indoors. C. Senator Young objected to the bill, but he didn't say why. D. She skipped her breakfast, for it

    asked by fernanda on September 22, 2014
  52. Lang. Arts

    Which sentence is punctuated correctly? A.Greg’s family adopted a young active puppy. B.Lisa filmed two, dramatic movies this year. C.Meg heard there is an unusual, exciting show tonight. I think it is A or C...leaning towards A?

    asked by Cassie on February 12, 2013
  53. English

    There are those with exemplary behaviors which are attributed to their beliefs or culture while others do so because of the laws set by the society making Wilson argument on genes attributing to human behavior questionable. I need to transform this passive

    asked by Keon Meadows on February 11, 2017
  54. Novel for GuruBlue

    Hey, i was wondering if I could use that sentence you gave me earlier: The whole class was staring at her as if she had grown a second head. "Valerie, get up out of that chair; take your books; and go immediately to the principal's office." Mrs.....'s

    asked by mysterychicken on February 22, 2009
  55. english

    Which sentence below contains a correctly used modifier in italics? A. Joe looked sad at his broken bike. B. The sauce tasted bitterly, and I couldn't swallow it. C. He spoke sharply to his sister. D. I feel badly because I lost the race.

    asked by Angel on June 27, 2012
  56. english

    . Choose the correct sentence. a. Us kids are to blame for the mess in the kitchen. b. Don’t talk to we teenagers about curfews. c. Cheryl, Doug, and myself went to the beach on Independence Day. d. He corrected himself immediately. e. The manager and

    asked by steve on October 13, 2017
  57. ELA

    Which sentence uses an infinitive as an adjective? A) To become an engineer has always been a dream of mine. B) Sally tried to play the guitar, but she became a singer instead. C) Fred was a serious soccer player and was determined to win each game. D) The

    asked by Not a fan of ela on December 4, 2017
  58. please help english

    8. For question 8, identify which sentence below contains an infinitve phrase used as a noun. (1 point) The girls love to swim at Julie’s house. Susan is trying hard to forget. My group was the last to finish. Jane’s goal to win is extreme

    asked by stacey on October 13, 2014
  59. Language Art's

    4.)In which sentence does the prepositional phrase act as an adverb? A.)Last evening, Anne suffered from a headache. B.)The door to the attic was left open. C.)Mr.Frank discussed the problem of noise in the annex. D.)He bought a drink for Mr.Dussel.

    asked by #FreeGucci on March 31, 2016
  60. history/english question?

    would it make sense to say: (i am writing a report on rousseau's belief in the social contract) "....in which people come to accept the rules of society and agree to follow and pertain to them." ?? thanks, and feedback on making this sentence better? i'm

    asked by nicole on September 29, 2010
  61. English

    Will you please make sure that I have picked out the correct preposition in each sentence? 1. Parts of wrecked ships filled one room. (of) 2. A museum guide spoke to us. (to) 3. During a storm sailors work very hard. (During) 4. Clippers traded with China

    asked by Reed on April 12, 2011
  62. Lang. Arts

    Which sentence is punctuated correctly? A.Greg’s family adopted a young active puppy. B.Lisa filmed two, dramatic movies this year. C.Meg heard there is an unusual, exciting show tonight. I think it is A or C...leaning towards A?

    asked by Cassie on February 12, 2013
  63. PLEASE CHECK! ELA

    Which word group is a sentence fragment? A- Waiting patiently in the lobby was a small boy. B- Construction paper, scissors, and paintbrushes in a pile on the table. C- On the front door was pinned a note. D- Stop! My guess is B.

    asked by Skye on September 30, 2014
  64. french

    can someone check to see if this sentence is grammatically correct? "Je ne serai pas à l'école jeudi, alors puis-je passer l'interro vendredi matin?" *Should translate to "I will not be at school Thursday, so can I take the quiz friday morning? Merci

    asked by RD on May 9, 2008
  65. English

    I think I'm tired. I left out part of a sentence, again. Thank you.. 1) How much did you earn from selling your first Apple computers? 2) The assertion of the predominance of the church of England was favourably greeted by most people, who had felt

    asked by Matthew on March 28, 2012
  66. English

    Which literary device is used in the following sentence? According to that report, these special materials can bend "radar, light or other waves around an object, like water flowing around a smooth rock in a stream." a.simile b.metaphor c.alliteration

    asked by Aubree (Answer Check) on December 18, 2016
  67. English

    Use your knowledge of prefixes and suffixes to determine the meaning of the underlined word in the sentence below. The fire alarm bell rang at (irregular) intervals throughout the day. a. constant b. predictable*** c. highly inconvenient d. following no

    asked by Kaai97 on January 26, 2016
  68. english

    3. Which one of the following statements is an example of a complex sentence? A. Sparrows at the bird feeder compete for seeds. B. Neap tide is the best time for digging clams. [C. The earth was spinning when Lucas first saw Lucille.] D. The crescent moon

    asked by jake on January 4, 2012
  69. Education technology

    Which of the following rules is most likely to be used in an A.U.P.? A. Communication should be civil and respectful of one another •• B. Private files can be viewed without permission from the owner C. Proper credit to the source is not necessary if

    asked by Bryan on May 6, 2016
  70. ENGLISH

    CHOOSE THE SENTENCE THAT'S WRIITEN IS THE PASSIVE VOICE. 1. TO KILL A MOCKINGBIRD WAS WRITTEN BY HARPER LEE. 2. WATCH FOR THE TURN AT THE CORNER OF THE BLOCK. 3. MARY AND JILL WON'T EAT HER VEGETABLES. 4. THE BOYS WANT THEIR DESSERT NOW.

    asked by Anonymous on November 9, 2007
  71. arithmetic

    If a blue box has 5 times as many marbles as a red box and the blue box has 24 more marbles than the red box how many marbles are in each box?

    asked by Yorgelys on October 24, 2012
  72. math

    a blue box has 5 times as many marbles as a red box. the blue box has 24 more marbles than the red box. how many marbles are in each box?

    asked by Gabbie on March 14, 2012
  73. Verb tense

    As of December 1, Ira and Sandy will have been going together for three years. If you mean last December, then it should read "As of December 1, Ira and Sandy have been going together for three years." If you mean the next time we get to December 1 (in the

    asked by jannice on February 8, 2007
  74. plz..chemistry help

    One mole of solid NH4Cl (s) isvheated in a closed box to decompose it partially according to the following reaction:  NH4Cl (s) NH3 (g) +HCl (g)  A) calculate Kp of the above system at the temperature of the experiment if the partial pressure of ammonia

    asked by hannah on November 9, 2016
  75. chemistry

    One mole of solid NH4Cl (s) isvheated in a closed box to decompose it partially according to the following reaction: NH4Cl (s) NH3 (g) +HCl (g) A) calculate Kp of the above system at the temperature of the experiment if the partial pressure of ammonia at

    asked by hannah on November 9, 2016
  76. trigonometry

    A box of 200kN is placed on a smooth inclined plane 28° with the horizontal. To prevent the box from sliding down the plane, a rope is tied to it and fastened to a peg on the top of the incline as shown. Determine the pull on the string assuming that the

    asked by karl on August 7, 2014
  77. Physics

    You want to push a 66-kg box up a 30° ramp. The coefficient of kinetic friction between the ramp and the box is 0.35. With what magnitude force parallel to the ramp should you push on the box so that it moves up the ramp at a constant speed? N Physics -

    asked by Anonymous on February 17, 2012
  78. Physics

    Two children are playing a game in which they try to hit a small box on the floor with a marble fired from a spring-loaded gun that is mounted on a table. The target box is 3.46 m horizontally from the edge of the table. Bobby compresses the spring 0.97

    asked by Monica on March 12, 2014
  79. Physics

    You want to push a 66-kg box up a 30° ramp. The coefficient of kinetic friction between the ramp and the box is 0.35. With what magnitude force parallel to the ramp should you push on the box so that it moves up the ramp at a constant speed? N Physics -

    asked by I dont know y no one is helping me :/ on February 17, 2012
  80. English

    Which of the following best explains the difference between informative and explanatory text? a. Informative provides readers a sense of why something happens, while explanatory tells the order in which something happened. b.Informative provides a reason

    asked by Olamide on October 26, 2014
  81. 8th grade language arts

    Which of the following best explains the difference between informative and explanatory text? a. Informative provides readers a sense of why something happens, while explanatory tells the order in which something happened. b.Informative provides a reason

    asked by a girl from connexus on October 25, 2014
  82. 8th grade; English

    Which of the following best explains the difference between informative and explanatory text? a. Informative provides readers a sense of why something happens, while explanatory tells the order in which something happened. b.Informative provides a reason

    asked by Amarachi on October 26, 2014
  83. english

    the mother seal looks fat and scary. in this sentence is the verb used as a linking verb or an action verb

    asked by lane mullis on December 7, 2010
  84. English

    It is a long walk to school. (What does 'It' refer to? What does 'to school' modify in the sentence? Is 'to school' an adverbial phrase?)

    asked by rfvv on March 26, 2012
  85. english

    Which sentence uses who correctly? a. Who did you call? b.Who is the person that I should call? c.To who are you speaking? d. From who did you receive the call? i think the answer is A but i just want someone to check and see

    asked by tiana on November 18, 2015
  86. algebra

    Let X be a number. Translate the English phrase or sentence into a mathematical expression. Then evaluate the expression for X =8. The expression is ?

    asked by john on January 22, 2015
  87. English

    They have learned to live in peace in the same state. -------------------------- What does 'state' mean in the sentence? Does 'state' mean 'country' or 'one of the States' in the USA?

    asked by rfvv on July 19, 2014
  88. English

    May I take your order? - Yes, please. I'll have a steak sandwich, one fruit salad, and a milk. ----------------------------- What does 'a milk' mean in the last sentence? A glass of milk?

    asked by rfvv on May 30, 2014
  89. algbra 1b

    can someone tell me if i have the answer correct a. Suppose a market research company finds that at a price of p = $40, they would sell x = 27 tiles each month. If they lower the price to p = $15, then more people would purchase the tile, and they can

    asked by nell on May 12, 2012
  90. algebra

    translate the sentence to an algebraic inequality.The height of the members of the basketball team is at least 79 inches. want to know if this right Height A+HeightB+HeightC+HeightD+height E>=79

    asked by babygirl on September 9, 2011
  91. ENGLISH 111

    In the following sentence identify the appositive or appositive phrase and the noun or pronoun defined by the appositive. We often contribute to the Salvation Army, one of our favorite charities.

    asked by NICK on September 20, 2011
  92. English Vocabulary

    Is it better to use enmity or enmities in the sentence below? The _________ between teams during the olympics was just for the sake of supporting their teams; there weren't really any hard feelings between the teams or players.

    asked by Layla on September 19, 2012
  93. Marketing

    Identify any new entrepreneurial ideas that you thought about as a result of relating to product/service promotion or distribution. The sentence is asking YOU to state your ideas. We cannot do this for you. What ideas have you come up with?

    asked by zeta on January 27, 2007
  94. english

    Is this a good sentence with good punctuation in it. For the party we brought cake and ice cream; fruit salad; and punch. Does this have good use of semicolon.

    asked by cindy on August 12, 2009
  95. English

    1. You should dress him up. 2. You should make the baby wear socks. 3. You should have the baby put on the shirt. 4. You should have the baby dressed. (Are they all grammatical? Do we have some more expressions similar to Sentence one?)

    asked by rfvv on October 7, 2010
  96. English

    As time passed by, I could ride faster than before. Bike riding became fun. --------------------------- In the second sentence, what is the part fo speech of 'fun'? Is 'fun' a noun or an adjective?

    asked by rfvv on November 3, 2014
  97. English

    Cocoa farmers usually get only about 25 cents for each pound of cocoa beans they sell. This is not even enough to pay for the cost of growing cocoa trees. (In the last sentence, what does 'this' refer to?)

    asked by rfvv on December 21, 2011
  98. general chem

    Using the activity series (Table 4.5), write balanced chemical equations for the following reactions. If no reaction occurs, simply write NR. (a) Nickel metal is added to a solution of copper (II) nitrate; (b) a solution of zinc nitrate is added to a

    asked by rob on October 9, 2011
  99. math

    Hi, I have a math problem that I can't understand how to write the equation for. The question says: a ball is thrown upwards from an initial height of 20 meters at an initial velocity of 10 meters per second. Write an equation for the height (h) of the

    asked by Michelle on March 5, 2008
  100. Chem -Bob Pursley Please Help!

    Chlorine dioxide decomposes to chlorine and oxygen according to the following mechanism: ClO 2 → ClO + O (fast) ClO 2 + O → ClO 3 (fast) ClO 3 + ClO → Cl 2 + 2 O 2 (slow) (a) What is the overall reaction? (b) What is the molecularity of each step?

    asked by Michael on March 5, 2018