Critical Thinking/Math

141,426 results, page 50


So, they give me a word equation, where I am suppose to try and create a balanced equation for it. Ammonium phosphate and barium hydroxide react to form ammonium hydroxide and barium phosphate. 2(NH4)3PO4 + 3BaOH2 → 6NH4OH + Ba3(PO4)2 [I was thinking there should be ...


For my chemistry lab, I reacted Mg powder with HCl to create H2 gas. I measured the volume of H2 gas created by salt water displacement by reading off an inverted test tube. I measured 14.0 mL and calculated the percent yield (used PV=nRT to find theoretical volume and divided...


Given the following information about xenon normal boiling point = -108 degrees C normal melting point = -112 degrees C triple point = -121 degrees C at 281 mmHg critical point = -16.6 degrees C at 58 atm a) Construct an appropriate phase diagram for xenon [I did this.] b) ...

Law of Multiple Proportions

Two elements, R and Q, combine to form two binary compounds. In the first compound, 14.0 g of R combines with 3.00 g of Q. In the second compound, 7.00 g of R combines with 4.50 g of Q. Show that these data are in accord with he law of multiple proportions. If the formula of ...


I really hope you can check these sentences for me. I tried to rephrase the beginning of chapter five of Shelley's Frankenstein. 1) The scene takes place during a dreary night. It is one in the morning and the rain taps dismally (I need a synonym) against the window panes. 2) ...


1. He can not solve the math problem. 2. He cannot solve the math problem. 3. He can't solve the math problem. 4. He could not solve the math problem. 5. He couldnot solve the math problem. 6. He couldn't solve the math problem. (Are they all grammatical? What about #5? Is it ...

Physics- Multiple Choice

I need help on these 3 questions. 1. The probability that an electron will return to a lower energy level by emitting a photon is called: a. spontaneous emission b. line emission c. the Bohr radius d. the ground state I'm thinking that this one is D. 2. The wave-particle ...


Hi! I’m practicing for the SHSAT, and I am doing some math problems. I don’t want to take advantage of this website, so I decided to ask you guys first. Am I allowed to ask lots of math questions? But I will answer them(at least the ones I know) could you help me check it...


I really need you to check these sentences for me. I tried to rephrase the beginning of chapter five of Shelley's Frankenstein. 1) The scene takes place during a dreary night. It is one in the morning and the rain taps dismally (I need a synonym) against the window panes. Dr 2...


How to write a math story that includes 4 examples... Possible math topics include: introduction to functions investigating quadratics quadratics highs & lows exponential functions fiancial applications of exponential function acute triangle trigonometry I'm taken MCF3M math ...


I have to do a descriptive paragraph and here are the directions: I can write a descriptive paragraph on either a place I like or an imaginary place.-I picked imaginary 1. First sentence begins with an adjective 2.2nd sentence begins with an adjective 3.3rd sentence begins ...


how would you simplify (ab)to the 5th power ?

math math math

what are the formulas for the area and circumfrence of a circle


im ateacher math ( arabian) want to learn amerecan math

physics As

The table below shows how the braking distance x for a car depends on its initial speed u u / ms-1 5.0 10 20 4 x / m 2.0 8.0 32 128 the reaction time of a driver is 0.60s. Calculate the sopping distance of the car when u= 30ms-1. The mark scheme says: Thinking distance= 30 X 0...


How does this poem sound? I told my friends I was no scaredy cat, Not afraid of snakes, nor bears or bats. The said” Oh, well that’s sure to change, When you spend a a night in a house that’s strange.” They dared me to sleep in an abandoned house on Brown, And right ...


I'm working on a project and I need some help with figuring out the equations to write. Here is all the information about the project: You and your friends decide to produce your own CD. After searching on the Internet, you find a low-cost CD duplication outfit that will let ...

(19) Chemistry - Science (Dr. Bob222)

Use the following information to answer this question: Cu+(aq) + e- → Cu(s) E° = 0.521V Cu2+ (aq) + e- → Cu+ (aq) E° = 0.153 V. Given these half cell reactions, an aqueous solution of Cu+ ion in the absence of O2(g) : A. will be thermodynamically stable B. will ...


For the past ten years, DWI has wanted to develop the lucrative Iraqi oil reserves for its exploration, drilling, refining, and transport division; DWI's Oil Division has been limited to Siberia and the South China Sea up to this date, and was precluded from entry into ...


A 15.7mL sample of HNO3 reacts to neutralize 27.7mL of 0.187M KOH solution. What is the molarity of the HNO3 solution? HNO3 + KOH ==> KNO3 + HOH mols KOH = L x M = 0.0277 x 0.187 = ?? mols HNO3 = mols KOH (1 mol reacts with 1 mol). mols HNO3 = L x M You have mols HNO3 and L...


I urgently need to find a site where I can get a video lesson with transcript of the Holocaust. By the way, could you check these sentences I'm not sure of? 1)Robinson’s ship was stuck (wrecked) in the sand and the waves were dashing over it. There was nobody there. Robinson...


Thank you for your corrections! I wonder if you could possibly have a look at these other sentences on Defoe's Robinson Crusoe. My doubts concern the words preceding the question marks. Thank you very much for being so cooperative. 1) He attacks them and he manages to capture ...


how effectively does the essay persuaded you. Universal Health Care Coverage for the U.S. The United States is the only modernized Western nation that does not offer publically funded health care to all its citizens; the costs of health care for the uninsured in the United ...


Then he says, slow and scornful: "The idea of you lynching anybody! It's amusing. The idea of you thinking you had pluck enough to lynch a man! Because you're brave enough to tar and feather poor friendless cast-out women that come along here, did that make you think you had ...


a math class has 50 students , of these 22 students are math majors and 18 students are male. Of the math majors 16 are female. Find the probability that a randomly selected student is male or a math major . my answer 22/50 and 18/50 = 396/50= 7.29


Please, I am struggling with these. Can someone help me by answering them? Or at least assisting me to? Thank you in advance to anyone who are able to. Read each of the following passages of descriptions of events from the play. Identify which type of irony is used in each ...


wondering if you can help me with these sentences: 1. African leaders are speaking out against a tradition in which widows have sex with a relative of their dead husbands because it helps to spread HIV. 2. The Ferrari was driven by a sexy woman with stunning headlights. 3. In ...

English Lit-Check please-thank you

We're reading "The World is Too Much with Us by Wordsworth. We have some questions to interpret-I understand about Wordsworth and his relationship and philosophy concerning nature but I'm just not sure after further research the answer to these two questions. 1. In the context...

got a couple of calculus questions

1. What is the equation of the tangent line to y = 2*x(x - 4)^6 at point (5, 10)? 2. If f(x)=8/(x^2+4) , find the slope of the curve at the point (2, 1). 3. The demand function for an item is given by x=200[1-(p/(p+2))] . At what rate is the demand changing when the price p is...

English (Writeacher or Ms. Sue)

Please, I am struggling with these. Can someone help me by answering them? Or at least assisting me to? Thank you in advance to anyone who are able to. Read each of the following passages of descriptions of events from the play. Identify which type of irony is used in each ...

area of squares and rectangles

a brick wall is 42'-4'' long and 18'-7''high.there are 2 openings each 3'-2'' X 7'-2''.what is the net are of the wall to the nearer thousandth sq foot? convert the measurements to decimal.. 42'4'= 42 4/12 = 42.3333 ft as an example. Now compute the areas, subtracting the area...


Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...


Cyclohexane is composed of 85.6 % C and 14.4% H. when it is mixed in the proper ratio with oxygen, it can be used as an anesthetic. At 755 mmHg, and 25 degrees Celcius, it has a density of 2.05 g/L. what is the molar mass of cyclohexane and its molecular formula? Will you ...


Resource allocation podunk institute of technology’s math deaprtment offers two cources: finite math and applied calculus.each section of finite math has 60 studnets, and each section of applied calculus has 50. The department is allowed to offer a total of up to 110 ...


Chloroform, CHCl3, was once used as an anesthetic. In spy movies it is the liquid put in handkerchiefs to render victims unconscious. Its vapor pressure is 197 mmHg at 23 degrees C and 448 mmHg at 45 degrees C. Estimate its a) heat of vaporization b) normal boiling point I ...

critical think

Choose two topics from the Opposing Viewpoints Resource Center that interest you and locate a set of materials from the database for each topic. If you choose school violence as one of your topics, for example, you might find a magazine article that argues that violence in the...

Literature/ English--Please, help me!

Please, I am struggling with these. Can someone help me by answering them? Or at least assisting me to? Thank you in advance to anyone who are able to. Read each of the following passages of descriptions of events from the play. Identify which type of irony is used in each ...


Homework or not, you need to post your question and how far you've gotten in your thinking toward the "answer" in order for someone here to be helpful to you. Please be patient and wait for someone with economics expertise to respond to you. Thanks. that's not homework.the ...


oh i forgot to put in my original draft, which i also forgot to say it was a rough draft. my rough draft needs to have multiparagraph, insights, transitions, and that i wrote a narrative. rough draft: choices An incident from my circle map is when I chose to do homework later ...


here are some questions i had to answer for the story "The Other Wife" by Colette (translated by Margaret Crosland) [[it starts with 'for two?' and ends with 'superior women']] please check them all 1. marc seguy insists on sitting in the crowded area of the dining room ...


Julia studied math for 3 1/2 hours during the 4 days before her last math test. What was the average amount of time she studied each day?


i really have trouble with math and the algerba really gets me mixed up can u give me some tips for math so i can undrestand plese


julia studied math for 3 1/3 hours during the 4 days before her last math test what was the average amount of time she studied each day


ok i have 10th grade math next year and i don't even know half the stuff for this year and its summer brake and im worrying about math..what do i do

Unit 4 - Memory, Thinking, and Intelligence

research Spearman's Model of Intelligence and Gardner's Multiple Intelligences. Based on your findings, compare and contrast the two models. Provide several comparisons and several contrasts. Which of the two models do you feel is more in line with psychology today? Support ...

AP Chemistry

1) Calculate the volume of air at 30 degrees C and 1.00 atm that is needed to burn completely 10.0 grams of propane. Assume that air is 21.0 percent O2 by volume. 2) Assuming all of the heat evolved in burning 30.0 g of propane is transferred to 8.00 kg of water (specific heat...


Sitting on a horizontal track is a mass of 10kg. One end of the track is raised untill the mass just begins to slip. If the coeffieient of static friction is .4 what is the minimum angle at which the mass begins to slip? The component of force down the slope: mgSinTheta THe ...


One end of a rubber band with a length L is attached to a wall. The rubber band is held horizontally and the loose end is pulled away from the wall at a speed v, stretching the band. Simultaneously, an ant begins to crawl away from the wall along the rubber band with a speed u...


Hello, I have data here: tube # Contents Initial color (after 2 drops of universal indicator) Color after adding HCl Color after adding NaOH (after the HCl had been poured) 1 CO32-/HCO3- Dark purple Purple Purple 2 CO32-/HCO3- Dark purple -- -- 3 HCH3CO2/C H3CO2- red Light red...


Based on the data, of 40% Reading and 25% Math, Out of 240 students, how many would choose reading or math as their favorite subject?


Draft a Luxurion Auto employee performance evaluation which will be used to evaluate Luxurion Auto salespeople. Include what you intend to measure among these three evaluation elements: 1. Individual task outcomes 2. Behaviors 3. Traits For example, when measuring behaviors, ...


Please look at my mini-essay and tell me what needs improvement! It's a response to a passage from a book. Thank you. :) Millions of people all around the world are living in the past or looking to the future. “2012 is the end of the world,” “When I was younger…” “...

Punctuation within Sentences—Parentheses

Punctuation within Sentences Parentheses 1.The police officer checked her rear-view mirror when (she heard the screeching tires. Someone had rear-ended her the night before). The police officer checked her rear-view mirror when she heard the screeching tires. (Someone had rear...


Yolanda completed 14/25 of her math problems before her break and 1/5 of her math problems after her break. What fraction of her math problems did she complete?


Kin has finished eight of the ten math problems. Phil has finished 2/5 of the math problems. How much more of the math has Kim finished?


I am going to write a paper about that, my view is human capital is more important, but don't know what should say in my paper for that.... Anyone any ideas? what do you think which one is more important? WHY? are you writing that people are more important to a business than ...


Could someone please help me with this math problem. I am lost on trying to solve this math problem. Add. Simplify if possible. s+r/sr^2 + 2s+r/s^2r Thanks.


a teacher allows 5/6 of an hour to be spent on homework, she wants to spend 1/3 of that tome on math. how much time will be spent on math?


choose two or three Eastern philosophies and describe how they compare. Take sides, determine which philosophies are most persuasive, and explain why.


A concert promoter wants to give away 240 tickets to 3 radio stations. Which basic math fact can he use to find 240 image 3 using mental math?


Could you please tell me if this is appropriate to sent to a college. In today's society where the youth of the world are bombarded by the influences from the media, peers, many beliefs, values and perception, it may be very difficult to differentiate between the good and the ...

C.E.A Response (Quick english please edit)

Will you please read over this claim. evidence. analysis response and tell me if there are any errors or things that should be changed? thanks! C. E. A. Response Q: Why did the Nazis give off a nice persona when they first engaged with the Jews? The Nazis gave off a nice ...


Hi I am writting an essay on a book called 'Funny Boy' I have to answer this question: Selvadurai raises questions about the nature of identity—national, familial, sexual, postcolonial, ethnic, racial—and how the suppression of one’s burgeoning or forming identity is ...

N/A-General Question

How would you think of answering the following question(s)? Which do you most want your teen driver to avoid? Speeding Talking on the Phone While Driving Drinking Driving Without a Seatbelt Speeding 19% Talking on the Phone While Driving 17% Drinking 50% Driving Without a ...


The second hand and the minute hand on one type of clock are the same length L. -------------------------------------------------------------------------------- (a) What is the period Tsecond of the motion of the second hand? (_) The period is 10 seconds. (o) The period is 60 ...


Our resolutions should begin at midnight on January 1. is there any faulty Predication in this senttnce. If so would you letme know I am thinking it is alright. This sentence sounds fine to me. =) I hope this is the ...

Definition of biological influences

I need help with the definition of biological influences. I can do the rest of the assignment but if someone can help me with the understanding of biological influences it will help me finish the rest of my assignment. Thank you very much. Think on these: Why at puberty do ...


1.A marble structure has been repaired and is ready for display. Which two specialists might work together to create written information tags for the display? A. Conservator and archaeologist B. archaeologist and curator C. curator and art historian**** D. art historian and ...


Can someone please read over my essay and take note of any errors or suggested revisions? Thanks. The title of Lorraine Hansberry’s A Raisin in the Sun represents the dreams of the characters in the play and how they become crushed. At the beginning of the play, Walter ...


Ms Writeacher my math work book which is a fifth grader Harcourt Math Practice Workbook does not say what Tues so my mon think it has to be the same Tues in the week of the other days


American interest in mixed martial arts is growing. Both male and female athletes are invited to compete, although this sport is not recommended for the prima donna. This full contact fighting combines various martial arts techniques so fighters with different styles can ...


The warden is not in the death chamber just to wish the condemned a farewell. But it is complex, as Guru states. Alex is most likely to obey an authority figure's command to hurt someone if: A.He is the only one available to carry out the order. B.The authority figure is ...

Math Units

Why is a informal math unit considered to be more fun for students than a standard math unit?


the width of a math textbook is 0.75 inches. how many math textbooks can be placed standing up on a shelf that is 18 inches wide


Match/Choose the math sentences that count up and back by tens. 47+40=88 57+30=87 46+10=56 56-10=46 87-40=47 87-30=57 Write the matching math sentences.


case 1. Find the absolute maxima and minina values of f(x)=sin2x+cos2x on [0, pie] Specify both the x and y coordinateof the absolute maximum and absolute minimum. Gives answers in exact form. case 2. Use the second derivative test for relative maxima nd minima to find the ...

Monitors of Board

Is there any way that the postings could be numbered? The post below this one by TONY obviously refers to a previous posting of his 8 steps below. I know the URL has a number behind each particular post, and each post can be identified by a title and time/date, but with a ...

Language Arts 7

NEED HELP ASAP!!!!! Has anyone read "Two Kinds" from The Joy Luck Club? Need my answers checked please;) 1.) In "Two Kinds" why does the mother take her daughter to the Mission district to get her hair curled? a.)She wants her daughter to look more sophisticated b.) She wants ...

Hospitality Management Accounting

i don't really understand what kind of calculations they are asking for Charlie is thinking of spending $3,000 more in year 2004 on advertising (part of marketing expense). Because of his marketing courses, he believes he can design appealing advertisements to be placed in ...


A positive integer n is defined as a "prime interlude" if n-1 and n+1 are both prime numbers. Which of the following is not a "prime interlude?" a.4 b.18 c.30 d.72 e.90 ( First of all; What is a "prime interlude??") I don't understand the question and don't know which answer ...


Answers (not puzzle, math answers) to what do you call it when someone pays back a quick loan. I know the answer is a sudden debt pay off i need help writing them out(math part).


Hey there, can someone help me translate this part of the text from Oedipus the King written by Sophocles? I need to translate it so other people can understand it. II. 1 Of a truth dark thoughts, yea dark and fell, the augur wise doth arouse in me, Who neither assent, nor yet...

i need to know the major legal issues

The statement " has been concerned about verifying payments...and also about the financial management..." is ripe for legal detail. Concern is not enough if one is in charge: follow on action is required. Responsibility is a serious legal word, and the next word that follows ...


1. The phrase that best describes the teenage couple in the beginning of the tale within the story "Everything Stuck to Him" is A. ambitious and optimistic about the future B. ambitious yet pessimistic about the future C. purposeless yet hopeful that things will change I said ...

Languagre Arts

Pam is practical. Every night before she goes to bed, Pam makes a list of what she needs the next day. She puts down items like return library books and hem dress for Margo's party on Saturday. When the list is made she numbers the items in order of importance. If it's ...


Please read this 4 me . "Sir Gawain and Green Knight" is an interesting poem. This poem has real mythic and symbolic power. It is an Arthurian story about the noble knight Gawain and the mysterious green knight. The unknown author of this poem introduce us Gawain as Arthurian ...


This table shows the numbers of students in different classes that are in the math club. Students in math club Boys / Girls Mrs.Smith 3 / 4 Ms.Jones 4 / 6 Mr.Brown 3 / 4 a. What fraction of the students in the math club are boys from Mrs. Smith’s class? b. What fraction of ...

Computer Science

You want to buy a new car, and you are thinking about two alternatives, car A and car B. You like both cars, and you are considering keeping whichever one you buy for many years to come. As a result, you want to evaluate the total cost of ownership of both cars over many years...

Computer Science

You want to buy a new car, and you are thinking about two alternatives, car A and car B. You like both cars, and you are considering keeping whichever one you buy for many years to come. As a result, you want to evaluate the total cost of ownership of both cars over many years...

Managerial Accounting

John has invested in a machine that cost $70,000, that has a useful life of seven years, and that has no salvage value at the end of its useful life. The machine is being depreciated by the straight-line method, based on its useful life. It will have a payback period of four ...

social studies

discuss nature and scope of social studies as an integrated subject of school curriculum? Because social studies covers all of socioties subjects, how people learn is a part of social studies. The social dynamics of the school setting are a representitave microcosm of the ...


1. What's your favorite class? 2. It's math. 3. It's math class. 4. It's a math class. 5. My favorite class is math. Which are the right answers for the question? 6. What's your favorite subject? 7. It's math. (What about the question, #6? Is the question the same as question ...




What does the math term XOR stand for in math?


if you have a f in math what is the percent of the grade in math?


How do I figure out the height of a triangle? The height of a triangle is defined as the perpendicular distance from an angle to a side. Now, since this is a right triangle, and depending on how it is situated, the height could be 10" or 12" if you observe from the two acute ...

english1A- Need help with my argument/thesis

This is my introduction... Gender Myths Some people wear earrings, others do not. Some people wear nail polish, while others do not. Whatever the case is, there are some people, whether male or female, who dress a certain way, either get mistaken for the wrong gender or the ...


Research reports a correlation of +0.8 between math achievement and math aptitude it also reports a correlation of -0.8 between math achievement and a math anxiety. Which interpretations is most c?orrect

advanced math

I did the math for the previous problem I posted, using this formula: -b+ or - the square root of b^2-4ac/2a. When I did this for -x^2+2x-1, I got 0/-2. I did the math and the x and y intercept came out to be -2 and -2. But when I graphed this on my graphic calculator, the ...


4.3. In a certain college town, 27.5 percent of the students failed Mathematics (Math), 19.8 percent failed Biology (Bio), and 11 percent failed both Math and Bio. A student is selected at random. Let A represent the event of failing Math, so that A' is the probability of ...


  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20
  21. 21
  22. 22
  23. 23
  24. 24
  25. 25
  26. 26
  27. 27
  28. 28
  29. 29
  30. 30
  31. 31
  32. 32
  33. 33
  34. 34
  35. 35
  36. 36
  37. 37
  38. 38
  39. 39
  40. 40
  41. 41
  42. 42
  43. 43
  44. 44
  45. 45
  46. 46
  47. 47
  48. 48
  49. 49
  50. 50
  51. 51
  52. 52
  53. 53
  54. 54
  55. 55
  56. 56
  57. 57
  58. 58
  59. 59
  60. 60
  61. 61
  62. 62
  63. 63
  64. 64
  65. 65
  66. 66
  67. 67
  68. 68
  69. 69
  70. 70
  71. 71
  72. 72
  73. 73
  74. 74
  75. 75
  76. 76
  77. 77
  78. 78
  79. 79
  80. 80
  81. 81
  82. 82
  83. 83
  84. 84
  85. 85
  86. 86
  87. 87
  88. 88
  89. 89
  90. 90
  91. 91
  92. 92
  93. 93
  94. 94
  95. 95
  96. 96
  97. 97
  98. 98
  99. 99
  100. 100