Critical Thinking/Math

9,778 results, page 3
  1. critical & ethical thinking

    I AM WRITING A PROJECT FOR ETHICAL & CRITICAL THINKING ON MEDICAL BILLING & CODING.MY TOPIC IS ETHICAL ISSUES IN MEDICAL BILLING AND I NEED A THESIS STATEMENT

    asked by lamonica on June 9, 2014
  2. English

    Thank you for yoiur help. 1. Emily in in math class. 2. Emily is in a math class. 3. Emily is in a math classroom. ================ #1 mean that Emily is learning math from a math teacher. Am I right? #2 and #3 are the same, aren't they? #1 and #2 are not

    asked by rfvv on March 23, 2016
  3. grammar

    1a.Did you know a famous animal-rights activist has criticized horseracing because of the dangers involved? 1b. Did you know a famous animal-rights activist have criticized horseracing because of the dangers involved? Subject-verb agreemnet? I choose b.

    asked by ano on July 20, 2008
  4. SAT

    I'm a 7th grader that took the SAT. These were my scores: Critical Reading: 500 Math: 490 Writing: 590 Essay: 10 Total=1580 Good scores? What do you think my scores will be when I take the SAT again as junior in high school? Please and thanks! c:

    asked by Izzy. on January 13, 2012
  5. The SAT,

    I'm a 7th grader that took the SAT. These were my scores: Critical Reading: 500 Math: 490 Writing: 590 Essay: 10 Total=1580 Good scores? What do you think my scores will be when I take the SAT again as junior in high school? Please and thanks! c:

    asked by Izzy. on January 13, 2012
  6. chemistry

    What will be the molarity of 335 ml of solutions containing 1.02 g of magnesium perchlorate. Here what i think divide 335/1.02 to get answer but i am not sure. Question 2:) how many ml of solute will be dissolved in a 435ml of 5.4%v/v of hci solution. I am

    asked by kody on July 18, 2014
  7. help please!

    f(x)=x+1/x Find all critical numbers. Find where the function is increasing and decreasing. Find critical points and identify each as a relative maximum, relative minimum, or neither. Find second order critical numbers and tell where the graph is concave

    asked by CALCULUS!!! on August 15, 2013
  8. Math

    Find the critical points and the interval on which the given function is increasing or decreasing, and apply the First Derivative Test to each critical point f(x)= (7/4)x^4+(28/3)x^3+(-63/2)x^2-252x critical points in increasing order: c1=? min or max?

    asked by Samantha on December 10, 2014
  9. statistics

    At a certain college, 15% of the students receieved an A in their required math cousre, 10% receieved an A in their required chemistry course, and 5% receieved an A in both. A student is selected at random. a.) What is the probability that he received an A

    asked by Sharon on October 4, 2009
  10. child day care management,health,safety,and nutrit

    Q; the main goal of effective health education programs for young children is to A. provide children with the knoweledge to eat and exercise properly B.promote critical-thinking skills,behaviors,and attitudes C. teach children that authority figures are

    asked by alex on February 16, 2011
  11. eng 122

    Hype and propaganda ____________________________________________ (Points : 1) are messages that try to change your beliefs by manipulating your feelings, often with misinformation. are great ways to obtain the latest information and research on a subject.

    asked by madam on August 12, 2016
  12. biology

    1. how do molecules of a polar compound differ from those of a nonpolar compound? 2. What happnens when ionic compounds are mixed with water? 3. what is capillarity? 4. Critical Thinking: Most automobiles have water-cooled engines. What must be true about

    asked by lamiya(again) on September 12, 2009
  13. Critical Thinking

    Week 2: DQ #2 Credibility Due Thursday Read the following discussion question response written by Owen, a fictional Axia student. Identify areas of vagueness and ambiguity and discuss how you could clarify the email’s message using the writing principles

    asked by Debbie on December 3, 2008
  14. Probability

    At a certain university, 30% of the students major in math. Of the students majoring in math, 60% are males. Of all the students at the university, 70% are males. a) What is the probability that a student selected at random in the university is male and

    asked by Cari on October 28, 2006
  15. 7th grade

    I have a critical thinking problem I need help with...you can divide each side of an equation by the same non zero value. Explain what would result from the equation 4 x 0 = 5 x 0 if you could divide each side by zero and if 0/0 = 1.

    asked by Hailey on October 18, 2010
  16. 7th grade

    I have a critical thinking problem I need help with...you can divide each side of an equation by the same non zero value. Explain what would result from the equation 4 x 0 = 5 x 0 if you could divide each side by zero and if 0/0 = 1.

    asked by Hailey on October 18, 2010
  17. Critical Reading

    Making inferences is an abstract critical thinking skill that involves the active and blended use of several sources of information, including a.)the application of the basiic method of problem solving b)using background knowledge,personal experience, and

    asked by Michelle on October 10, 2010
  18. Math - extreme values

    Identify the critical points and find the extreme values on the interval [-1,-5) for f(x)=cosx+xsinx+3 I've taken the derivative which gives me f'(x)=xcos(x). I know I have to solve to get the critical points and then plug in the critical points that are

    asked by Anonymous on March 9, 2017
  19. English

    Choose the sentence that is written in active voice. A. The math problems were given to the students. B. The students were taking a math test. C. The math test was given by the instructor. D. The math test grades were given to the students. B

    asked by Angela on June 24, 2014
  20. science

    Which option best defines the way scientists think? They acquire knowledge through a process of critical thinking. They acquire knowledge by confirming known theories. They acquire knowledge through formal debate. They acquire knowledge through consulting

    asked by Bri on May 4, 2018
  21. Math

    Find any critical numbers of the function. (Enter your answers as a comma-separated list.) g(x) = x^7 − 7x^5 Honestly, I have no idea how to find the critical number!

    asked by Reza on February 17, 2012
  22. Calculus

    Use the given derivative to find all critical points of 'f' and at each critical point determine whether a relative maximum, relative minimum, or neither occurs. Assume that 'f' is continuous everywhere. f' (x) = (1-2x)/ ∛(x+3)

    asked by Roy on November 29, 2010
  23. Math

    2x^3+3x^2-120x to find the critical numbers I took the derivative which is 6x^2+6x-120 so divide by 6 to simplify x^2+x-20=0 so the critical numbers will be (4,0) and (-5,0) but its wrong I don't know y?

    asked by Angelina on March 9, 2012
  24. statistics

    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

    asked by brittaney on March 4, 2016
  25. Calculus - another question

    "Find the absolute minimum value of the function f(x) = x ln(x)". I know that one of the critical values is 1 (domain restriction). Am I right? So I did the derivative, and got 1+ ln(x), but I cannot figure out the critical values, because ln(x) can't

    asked by Stuck on March 23, 2010
  26. Math

    Find all critical points and determine which critical points are extrema by testing intervals. y=-2x^4+3x^2 I found the derivative which is: -8x^3+6x

    asked by Steffi on December 16, 2015
  27. critical points

    (1 pt) Find all critical values for the function f(x) = 6 x^3 - 18 x + 1, and then list them (separated by commas) in the box below. List of critical numbers:

    asked by kali on May 4, 2015
  28. math

    What is temperature when you do math. In seventh grade math is hard and I don't understand what my teachers tell me they say that it is easy but i don't think it is i need a lot of help during math it used to be my favorite subject but now its not

    asked by Maria on November 30, 2015
  29. Business Management

    List the 5-7 most critical actions you would need to take to convert your idea into a real business opportunity so that you could develop a business plan. Where are the check points during which critical assumptions are explored?

    asked by Mia on January 29, 2013
  30. Currently doing Math,life science,geography and ph

    I am thinking of changing physical science and do business with math,life science,business and geography what career can i pursue?

    asked by Tumi on January 12, 2015
  31. Currently doing Math,life science,geography and ph

    I am thinking of changing physical science and do business with math,life science,business and geography what career can i pursue?

    asked by Tumi on January 11, 2015
  32. Maths

    critical thinking: follow the steps below to find how many combined points were scored by Howie and Theo. write a number sentence to show how to solve the problem. points scored: Howie 272,Theo 325 and Isabel 288.

    asked by Little Flower on February 22, 2015
  33. math

    One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It

    asked by Katarzyna on November 18, 2012
  34. math

    One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It

    asked by Katarzyna on November 17, 2012
  35. posibility

    One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It

    asked by Allen on November 17, 2012
  36. math

    One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It

    asked by Andrew on November 16, 2012
  37. math

    (parent). My son's problem says "the product of a number and 17"...supposed to write as expression... I'm thinking it would be a 17x=y but he's adamant that because the word "and" is in the sentence that he needs to add something as well.... (no math books

    asked by Kelly on January 8, 2013
  38. Chemistry

    A tank of gas at 21 degrees C has a pressure of 1.0 atm. Using the data in the table answer the following questions. Explain your answers A. If the tank contains carbon tetrafluoride, CF4 is the liquid state also present? B. If the tank contains butane,

    asked by Lauren on February 4, 2008
  39. Chemistry

    A tank of gas at 21 degrees C has a pressure of 1.0 atm. Using the data in the table answer the following questions. Explain your answers A. If the tank contains carbon tetrafluoride, CF4 is the liquid state also present? B. If the tank contains butane,

    asked by Lauren on February 3, 2008
  40. Calculus I

    a). Find the critical points of the following functions on the domain or on the given interval. b). Use a graphing utility to determine whether each critical point corresponds to a local minimum, local maximum, or neither f(x)= x- tan^-1 x

    asked by Mjeed on November 4, 2015
  41. physics

    Consider an aluminum wire with 1 mm diameter below its critical temperature of 1.2 Kelvin. It's critical magnetic field is 0.01 Tesla. What is the maximum current in Amps that you can send down this wire for it to remain superconducting?

    asked by Collin on December 1, 2013
  42. statistics

    Determine the critical region and the critical values used to test the following null hypotheses: a. Ho: μ = 55 (≥), Ha: μ < 55, α = 0.02 b. Ho: μ = −86 (≥), Ha: μ < −86, α = 0.01 c. Ho: μ = 107, Ha: μ ≠ 107, α = 0.05 d. Ho: μ = 17.4

    asked by Jennie on February 20, 2015
  43. Calculus

    How do you find the critical numbers and the end points of this function: f(x)=2x^3-3x^2-12x+5 i calculated the critical numbers as x=-1 and x=2 is this right?!?!

    asked by Sandra on March 21, 2009
  44. gen

    What is the relationship between ethics and critical thinking? Why are ethics a concern in the academic environment? I have no clue so any will do

    asked by troyer0269 on August 11, 2009
  45. College

    What happens if I don’t do well on the accuplacer test? I suck at math. If I score low on math will they give me a remedial/low level math course?

    asked by CommunityCollegeGirl on May 29, 2018
  46. English

    1. To come up with possible solutions to a problem is referred to as: A. decision making. B. concept mapping. C. critical thinking. D. problem solving. is it D 2. "Should I apply for a job or go for an internship?" is an example of which stage in the

    asked by Amy on March 22, 2013
  47. Calculus

    Use the given derivative to find all critical points of 'f' and at each critical point determine whether a relative maximum, relative minimum, or neither occurs. Assume that 'f' is continuous everywhere. f' (x) = (1-2x)/ ∛(x+3) ∛(x+3)in words is the

    asked by Roy on November 29, 2010
  48. 3rd grade Math

    Actual question on homework."EXPLAIN HOW YOU CAN BREAK APART ARRAYS WHEN YOU MULTIPLY BY 3." (there is no array on the paper to use) I don't like this new math, what was wrong with the old math I learned, I am Accounting /Finance supervisor, but don't

    asked by Jennfer on January 22, 2010
  49. Oranganization leadership MGT

    What are some internal human elements that may force an organization to change? Please note that we don't do students' homework for them. Once you have posted what YOU think answers might be, someone here will be able to critique your thinking. =) Stress

    asked by Ms Brown on May 4, 2007
  50. math

    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

    asked by Swayne on November 29, 2013
  51. English Class (Research Topic)

    Can someone explain this please? Our research paper must not be a general biography of the writer and/or a book report. It should instead focus on controversies or differing interpretations about his/her work, or on questions raised by the writer’s work

    asked by Ady on May 20, 2011
  52. math

    I just do not understand how to figure this out. Find the number of subsets of the given set. {math, English, history, science, art} Would I do something like this: 1. {} 2. Math 3. English 4. history 5. science 6. art 7. Math and English 8. math and

    asked by Bart on April 15, 2010
  53. currerent amd magnetism

    An Aluminium wire of 1mm diammeter below the critical temperature of 1.2 K. iTS CRITICAL MAGNETIC FIELD IS 0.01t, What is the maximum current in Amperes that you can send down the wire for it to remain superconducting? what formular can I use to solve

    asked by Tom on November 28, 2013
  54. Calculus

    How many critical points does the function f(x) = [(x-2)^5][(x+3)^4] have? A. 1 B. 2 C. 3 D. 5 E. 9 --- Ok, these are my thoughts on this question: My impulse was to do derivative of the function. However, if I'm going to set the function equal to zero to

    asked by Nikki on May 10, 2010
  55. Micro- Econ

    You have an hour between your economics and math classes. What is the opportunity cost of that time if you use it to complete your math homework instead of your economics homework? the economics homework you could have completed the math homework you chose

    asked by Angela on June 11, 2018
  56. math

    given tat F(x)=x^3+ax^2+bx has critical points at x=1 and x=5 find a and b and classify the critical points as max, min, or neither.

    asked by Krissy on December 15, 2016
  57. critical approach help

    does anyone know what the critical approaches are i know that readers response is one but i don't know the others thanks I assume you mean critical approaches to literature.

    asked by kay31188 on August 24, 2005
  58. Statistics

    In a study that was highly published doctors discovered that aspirin helps prevent heart attacks. The research project which was scheduled to last 5 years employed 22,000 american physicians (all male). Half took an aspirin tablet 3 times a week while the

    asked by Jason L on February 23, 2007
  59. MATH

    In a fraternity with 38 members , 18 take math, 5 take both math and literature and 8 take neither math or literature. how many take literature but not math? I came up with 16 is that correct or am i lost ?

    asked by WINSTON on November 24, 2014
  60. English

    I have to write a 3-5 paragraph essay answering this question: what is the difference between a credible and a non-credible website. I need ideas on what to write or how to answer because i suck at writing :( but this is worth 6 points and i neeeed them.

    asked by Clueless on December 20, 2017
  61. posibility

    One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It

    asked by Katarzyna on November 17, 2012
  62. math

    One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It

    asked by Katarzyna on November 17, 2012
  63. physics

    The galaxies in the universe are all flying away from each other. The speeds of nearby galaxies are proportional to the distance the galaxy is away from us. This relation, v=Hd is known as Hubble's law and the constant H is known as Hubble's constant. The

    asked by hrdcvrdcv on May 23, 2013
  64. Science

    The galaxies in the universe are all flying away from each other. The speeds of nearby galaxies are proportional to the distance the galaxy is away from us. This relation, v=Hd is known as Hubble's law and the constant H is known as Hubble's constant. The

    asked by Abhishek Ranjan on May 20, 2013
  65. Math & English

    When do we use a capital for the word math? When do we use Math vs math? Example: Own works well in math class or Own works well in Math class? Owen contributes positively in Math through regular participation? VS. Owen contributes positively in math

    asked by Jayson on April 17, 2018
  66. Math

    Is IB Math Studies the same as Pre-Calculus? I heard that IB Math Studies is for students who have a low background in math. Is that right?

    asked by Anonymous on August 20, 2013
  67. Comm/215

    Q: Some students hate math, some students dislike math, and math is liked by other students. Parallel Construction A: Some students hate math, some dislike math, and some like math. Is this correct?

    asked by David on June 17, 2010
  68. Math

    here is the question: Freida must take a 4-hour exam containing 200 questions, 50 of which are math. Twice as much time should be allowed for each math ques as for each other type of question. What is the total # of minutes she should allow for the math

    asked by Sophia on November 12, 2009
  69. statistics

    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

    asked by Gee on September 5, 2012
  70. calculus

    Use a graph of f(x) = 3 e^{-8 x^2} to estimate the x-values of any critical points and inflection points of f(x). critical points x= Inflection points x= Next, use derivatives to find the x-values of any critical points and inflection points exactly.

    asked by sam on April 3, 2013
  71. English

    Which class are you in? 1. I'm in class 1-2. (I am a member of Calss 1-2. In the classroom, there are 30 students.) 2. I'm in math class. (I'm listening to the math teacher. It's time for studying math.) ==================== What is the answer to the

    asked by rfvv on March 23, 2016
  72. english to Ms. Sue

    why and how could you apply critical thinking when evaluationg each of the following: articles advertising media conversations. When evaluating the following sources such as articles, advertising, media and conversations I will highlight and anlyze my

    asked by Rose on April 2, 2008
  73. math-calc

    f(x)=2x^3-36x^2+162x-6 small critical number? Large critical number?

    asked by mkcolema on March 14, 2009
  74. Calculus

    Given that f(x)=x^3+ax^2+bx has critical points at x=1 and x=5, find a and b and classify the critical points as maxima, minima, or neither.

    asked by Krissy on December 15, 2016
  75. Urgent Math

    Let f"(x)=4x^3-2x and let f(x) have critical values -1, 0, and 1. Determine which critical values give a relative maximum. A)-1 B)0 C)1 D)-1 and 1 E) none of these

    asked by Brian on December 23, 2012
  76. Social Studies 7R - Q2

    2. Critical Thinking - Why did us exports increase dramatically between 1803 & 1807? Answer - The embargo hurts America that's how exports increase dramatically between 1803 & 1807. am i correct???? i had been kind of having trouble with this question

    asked by Laruen on April 23, 2012
  77. COMM/215

    I would like to know if i have used properly structured sentences for the following: 49. To succeed in the new economy, workers will have to learn throughout their careers adapt to changing circumstances, and self-motivate when needed. 50. Some students

    asked by Frank on January 31, 2015
  78. Probability

    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

    asked by Carla Lopez on September 3, 2012
  79. English

    Posted by rfvv on Tuesday, March 22, 2016 at 11:55pm. Which class are you in? 1. I'm in class 1-2. (I am a member of Calss 1-2. In the classroom, there are 30 students.) 2. I'm in math class. (I'm listening to the math teacher. It's time for studying

    asked by rfvv on March 23, 2016
  80. Physics

    For a box that is twice as wide as it is tall, what is the critical angel for which the box can easily tip over? What is the critical angel for a box that is twice as tall as it is wide? Which box will tip over more easily? Why? I have no idea on where to

    asked by Anonymous on November 12, 2007
  81. Math

    Do you know of a good website that can help me with word problems? I want to be able to type in the word problem, get an answer with an explanation of the problem and hoe they got the answer. Sorry! The Internet is wonderful -- but it doesn't do our

    asked by Racheal on June 21, 2006
  82. Calculus

    Differentiate to find critical numbers and leave function in fully factored form. g(x) = (x^2+1)^5(x^2+2)^6 g'(x) = (x^2+1)^5[6(x^2+2)^5(2x)] + (x^2+2)^6[5(x^2+1)^4(2x)] g'(x) = 2x(x^2+1)^4(x^2+2)^5[6(x^2+2)(2x) + 5(x^2+1)(2x)] g'(x) =

    asked by Justin on October 15, 2015
  83. Math

    Two students are talking after school: What is the average of your grades in Math for September? 4.6 That is impossible since the year just started. You could not possiblly have that many grades. What was the doubting student thinking of of the possible

    asked by Julie on October 15, 2009
  84. crt 205

    The Opposing Viewpoints Resource Center database at the University Library provides a wealth of arguments to which you can apply your critical thinking skills. Find this database by logging into to the Library and selecting the Article

    asked by Anonymous on August 20, 2008
  85. Math

    A fertilizer covers 5/8 square foot in 1/4 hour. i don't understand how to work out this math problem. By the way i'm in 6th grade but technically doing advanced math so i'm doing 7th grade math. I don't know how to do this

    asked by niki on September 22, 2016
  86. CJS/210

    I need help finding reliable information on the following questions? What trends are currently affecting policing? What are some foreseeable critical issues that may affect policing in the future? What changes may need to be made to effectively address

    asked by Sade C on July 24, 2012
  87. CJS/210

    I need help finding reliable information on the following questions? What trends are currently affecting policing? What are some foreseeable critical issues that may affect policing in the future? What changes may need to be made to effectively address

    asked by Sade C on July 23, 2012
  88. physics

    At a critical junction in a supercomputer, the current as a function of time is given as i(t) = 3t^2-2t, where i is measured in milliamps and t is measured in seconds. How much charge passes through this critical junction during the interval 0 < t < 5.00

    asked by Lucy on March 7, 2014
  89. English

    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?

    asked by rfvv on July 16, 2013
  90. math

    how many 5-digit palindromes exist? i get 9*10*10*10*9=81000 is this correct? my thinking being that the first and last digit must be 1-9 and the other 3 0-9. thanks again for the time and effort. oh, and if any of you fine folks have the time could you

    asked by courtney's dad on October 25, 2008
  91. math

    Let g be a function that is defined for all x, x ≠ 2, such that g(3) = 4 and the derivative of g is g′(x)=(x^2–16)/(x−2) with x ≠ 2. Find all values of x where the graph of g has a critical value. For each critical value, state whether the graph

    asked by Gary on March 17, 2015
  92. childcare

    The main goal of effective health education programs for young children is to A. provide children with the knowledge necessary to eat and exercise properly. B. promote critical-thinking skills, behaviors, and attitudes. C. teach children that authority

    asked by tina on August 1, 2010
  93. math

    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?

    asked by Anonymous on January 6, 2015
  94. English 10 HELP

    I don't understand this at all! 1.)Supermodel Tyra Banks uses Smooth & Soft bath gel; you should, too! Faulty Cause and Effect Stereotype Red Herring Either/Or Thinking Bandwagon Testimonial 2.)Your answer is incorrect. You are a careless person. Faulty

    asked by Ariel on June 13, 2010
  95. work

    Read the scenario. Use the reference material to assist you in determining what tasks to select for your squad to support the critical tasks identified for the platoon. 1. You are a member of Special Troop Battalion, 3d BCT, 10th Mountain Division. Your

    asked by Anonymous on July 19, 2012
  96. work

    Read the scenario. Use the reference material to assist you in determining what tasks to select for your squad to support the critical tasks identified for the platoon. 1. You are a member of Special Troop Battalion, 3d BCT, 10th Mountain Division. Your

    asked by Anonymous on October 29, 2012
  97. Healthcare

    I need help understanding this assignment, I am not asking for someone to do this for me. I believe the Checkpoint relates more to critical thinking Any help will be appreciated, I just need help getting started List at least two pros and two cons for each

    asked by Jen on January 27, 2010
  98. 9th grade physics

    If a transparent material has a refractive of 2.0; a) calculate the critical angle b) if the refractive index were less than 2,0, would the critical angle be greater or less than before? Im super confused at this :(

    asked by Cathy on March 3, 2012
  99. Calculus

    Find the absolute maximum and absolute minimum values of f on the given interval. f(x) = 17 + 4x − x^2, [0, 5] I got -13 and 17, but the answers were wrong. Take the derivative for the critical values, right? To get 2 as a critical value. What from

    asked by Callie on November 9, 2015
  100. early childhood education

    the main goal of effective health education programs for young children is to a)provide children with the knowledge necessary to eat and exercise properly b)promote critical thinking skills behaviors and attitudes c)teach children that authority figures

    asked by Dionne on October 30, 2011