Critical Thinking/Math
145,977 results, page 27

Math
Forest rangers use degree measure to identify directions and locate critical spots such as fires. A forest ranger at tower A observes smoke at a bearing of 149 degrees (clockwise from the north) while another forest ranger at tower B observes the same smoke at a bearing of 250... 
Science
Q12: A light ray is travelling from a medium with a larger index of refraction to a medium with a smaller index of refraction. Describe what happens as the angle of incidence gets larger and larger. Include the concept of the critical angle in your discussion. 
CalculusFunction
sketch the graph of a function in neighborhood x=2 that satisfies these conditions f(2)=3 f'(2)=2 f"(2)=1 you can find a specific function that satisfies all of the given conditions i know the first derivative gives you critical points, and second derivative gives you points ... 
calc
Average daily temp,y, is y=4523cos(2pi(x32)/365), where x is time in days, x=1, corresponds to Jan 1 and y is temp in degrees F. Determine the period of the function. Determine critical numbers, over one period. Determine relative extrema, what does relative extrema represents 
statistics
27. Consider the following hypothesis test. H0: µ = 15 Ha: µ ≠ 15 A sample of 10 gives a sample mean of 8.9 and population variance of 9. Consider the following data drawn from a normally distributed population: 4, 8, 12, 11, 14, 6, 12, 8, 9, 5, α = 0.01 a) At &#... 
English
I am writing an essay about James Baldwin's Go Tell It on the Mountain, but the essay prompt asks me to disagree or agree with the interpretation of an critical essay we read about this book. For my essay, do I state whether I agree with the article and then use other evidence... 
Physics
The tail of a vector is fixed to the origin of an x, y axis system. Originally the vector points along the +x axis. As time passes, the vector rotates counterclockwise. Describe how the sizes of the x and y components of the vector compare to the size of the original vector ... 
electrical trade theory
GIVE 2 REASONS WHY MICA IS USED AS THE INSULATION BETWEEN THE SEGMENTS OF THE COMMUTATOR? it is cheap, easy to use, heat resistant, an effective insulator, vibration resistant...what is your thinking on this? THANX TEXT BOOK DON'T HAVE THAT ANSWER. 
Kay  University of Arizona
I've removed your complex post for two main reasons. You refer to materials (a tutorial) for which we have no access, and you have given us no idea of your thinking about these questions. Please repost, using an appropriate school subject and presenting your thoughts about how... 
physics
Describe the energy conversions that occur in each of the following devices: a. an incandescent lightbulb b. a clothes dryer c. a digital clock radio We will be happy to critique your thinking. Heat is produced in all, and some light is produced in two. One also produces motion. 
Socials
I have to write a 100 word story(yes, insane) including all the key terms affiliated with the merging of Hudson's Bay Company and Northwest Company. I am thinking of writing it from the perspective of a Metis... what would I feel about this merge? 
Microeconomics
"Strong prices traditionally cause industries to expand, eventually bringing an end to high prices and the prosperity of firms." Does this statement makes sense? Explain in words and graphs. I will be happy to critique your thinking on this. 
Adult Development and life Assessment
After hearing about some possible causes of sneezing, a scientist decides that room fresheners are the most common cause. What is the term that describes the scientist thinking 1. Hypothesis 2. Scientific method 3. Cognitive dissonance 4. Social influence 
science asap
1) How do decomposers increase the fertility of soil? A) By storing moisture in the soil. B) By breaking down and digesting the remains of dead organisms. C) By making spaces for air and water. D) By burrowing deep below topsoil. I am thinking is is either B or D, but I do not... 
From Theory to practice
. A very young child takes his sock off. The caregiver puts it back on. This process is repeated over and over. The child is engaging in _______ play.A. constructive B. rulebased C. functional D. dramatic Answer D but I'm thinking about C 
english
Ive just watched the film mississippi burning and now i have to write an essay on the themes tolerance and prejudice. But i have no idea what i could write in the main body for the 3 paragraphs. i was thinking the way the blacks are treated and the racist views of the town? ... 
health
yeah its me again :) and thank you Writeacher for checking my answer on smoking An antihistamine used to treat a common cold is intended to: A. Decongest B. Suppress the cough reflex C. Dry secretions D. Increase mucus clearance I think it could be either A or D but I'm ... 
CAlculus
find the taylor series for f(x)=cos(x) centered at a=pie/4 see this: http://en.wikipedia.org/wiki/Taylor_series Here you will get an alterate cos, sin terms, with signs changing each second term. Post your thinking, and I will critique. 
Physics
I don't understand snell's law ( nsin(0)=nsin(0) ) and how to use it with refraction. also how do i apply that to this problem: 'a light ray enters a square piece of plastci (n=1.39) near a corner. as it encounters the adjacent side it gets refracted along the surface (it hits... 
Math/Radioactive Dating
My teacher said that if the ratio of mass (in a rock) for 40K and 40Ar was 1:3 then the age of the rock would be 2.5 billion years. I don't understand how he concluded that to be the age. The only thing he knew was that the halflife of K40 = 1.25 billion year. This is my ... 
calculus
Please help me solve. I think increase = concave up and decrease = concave down? On the graph y = x^515x^3+10 for x what intervals is the function increasing, decreasing, concave up and concave down. Plot the critical points, plot and label the inflection points. Solve for ... 
Math
In a table of random digits, each digit is to occur with a probability of 0.1. a) A student examines a list of 200 random digits and counts only eleven 4’s and thus claims that the table is not really random. Explain the error in the student’s thinking. b) How many 7’s ... 
ELA
Which of the following would be an appropriate way to add variety to your sentences? A. Make your sentences read like a spoken conversation. B. Use questions and answers together. C. Add personal anecdotes. D. Use more closeup words. D is wrong. I am thinking B. 
Physics
If you lay a steel needle horizontally on water, it will float. If you place the needle vertically into the water, it will sink. Explain why. Think about surface tension, and what causes it. I will be happy to critique your thinking. 
Human resources
Explain the role played by H.R. in the health and safety of the organization's employees? I thought that all Human Resource offices had the same role? I think that I am thinking too hard on this question. Thanks in advance for help. 
Western Civilization
Summarize the issues that divided Martin Luther from the Catholic Church. and how did Luther'ss theological teachings redefine fundamental thinking about vital Western concers? Help me! 
Chemistry
If 560.70 g of water (22degrees) is displaced, what volume of gas displaced it? Any help would be greatly appreciated. I am thinking about using PV=NRT, but do I assume the value of the pressure is 1. Also using 560.7 do i determine the amount of moles? 
Chemistry(Please answer)
How many chirality centers does the compound 1,3dibromo2,4dichloro5fluorocyclopentane have? This compound has three different elements, a Br which is repeated twice, a cl which is also repeatd twice, and a fluorine. I was thinking that the number of centers would be 3 ... 
Chemistry (URGENT)
T=thickness, V=volume, A=area, m=mass D=density V=m/D Suppose T=V/A is a method used to find the thickness. How may this method be used in finding the size of molecules.? I really need help. Been thinking about it for awhile. Thanks in advance. 
biology
hi i have a few questions 1)osmotic pressure Basically, i got that its the pressure opposing osmois. can you explain it to me ? 2)hydroltic pressure Im thinking that its the pressure that builds up due to a higher concentration. Must be like potiential energy. 
English
Trying to help my grandaughter do her homework. Please help! They are learning about verbs in sentences. In the following sentence she is to underline the verb. "My father takes us hiking every Saturday." I am thinking it is "takes" but my daughter thinks it is "hiking". Is it... 
english Ms. Sue
Why should society as a whole change its way of thinking and begin to spread ideas with each other. Relating back to how does social norms change war as a social disease versus nonconformity 
Chemistry
I know I am over thinking this problem like always but none of this makes sense to me for some reason.. KHP was used to determine the concentration of a KOH solution. If 0.78g of KHPwas used and 42.17 ml of KOH was used to titrate it to the endpoint what's it concentration? ... 
critical thinking
1 Identify the principal issue presented by the source. 2 Identify any examples of bias presented by the author. If none exist, explain how you determined this. 3 Identify any areas that are vague or ambiguous. If none exist, explain how you determined this. 4 Do you find the ... 
Business
Your beachside inn will be ready to open next spring. To get in on the summer tourist trade, it will be necessary to… A offer bargain rates at first B give it an unforgettable name C advertise heavily and local newspapers D establish a strong web presence The answer is ... 
english
We must not squander our power, helplessly and ignorantly, squirting half the house in order to water a single rosebush (1).” I was thinking that this quote means to focus on one thing at a time. Is there anything else I am missing from it. It's from Virginia Woolf; essay "... 
english (please answer soon)
Hi, I have to compare Crossing Brooklyn Ferry by Walt Whitman to modern day time. The last couple of journal entries I've compared to well known songs and their lyrics. I'm thinking of comparing it to an important event or movie, but I'm not sure what to write about. Any ideas... 
Physics/Math
What work is done by a force (in newtons) F = 3.1xi + 3.1j, with x in meters, that moves a particle from a position r1 = 2.1i + 2.5j to r2 =  4.9i 3.9j? For Further Reading * Physics/Math  bobpursley, Thursday, March 1, 2007 at 6:27am Work is the dot product of Force and ... 
bioethics
explain Dale Jamieson's "Denver Smog Argument" Is the argument good I couldn't find a copy of this work online. Please post your explanation of his argument and opinions about it. We'll be glad to critique your thinking. 
Chemistry
A compound decomposed by first order rxn. The concentration of compound decreases from .1180 M to .0950 M in 5.2 min. What fraction of the compound remains after 6.7 minutes?I'm thinking I set up a proportion maybe. Any ideas how to tackle this problem? 
speech
You are concerned about the high rate of school droupouts in your community and have recentky addressed the youth at a local secondary school who were thinking of dropping out of school and look for job.please help me its urgent the task is needed tomorrow 
statistics.. URGENT!! PLZ!!
The margin of error is: a. the difference between the point estimate and the true value of the population parameter b. the critical value times the standard error of the estimator c. the smallest possible sampling error d. none of the above Complete the following sentences ... 
production and operations management
All of the following statements about ABC analysis are true except: A. Inventory may be categorized by measures other than dollar volume B. It categorizes onhand inventory into 3 groups based on dollar volume C. It states that all items require the same degree of control D. ... 
physiology
anaerobic respiration is triggered when the ratio of ________falls below a critical level. a.carbon dioxide supply to oxygen need b.oxygen supply to glucose need c.glucose supply to glucose need d.oxygen supply to oxygen need the electron transport chain is responsible for the... 
statistics
A researcher has collected statistics pretest scores for students representing 3 different age groups 1830 3145 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis steps and find degrees of... 
Chem
For the evaporation of water during perspiration on a hot, dry, day, a)DH > 0 and TDS = DH. b)DH > 0 and TDS > DH. c)DH > 0 and TDS < DH. d)DH < 0 and TDS > DH. This is my thinking...It can't be d because DH can't be less than 0, and it can't be a because ... 
math
A large cube is built from centimeters cubes. The faces of the large cube are painted .Of the centimeter cubes, 1000 are unpainted how many of the centimeters cubes are painted on one face The inner ones are not painted. So (L1) cubed=1000 solve for L. Then, the number ... 
Chemistry
The multiple Choice Question: Determine delta G (free energy at standard condition s) for the reaction below, considering Kp = 8 at 25 degrees celcius. 2Ag > B The answer Choices: A.2.303 x (0.287) x (25) x log 8 [J] B.2.303 x (8.314) x (25) x log 8 [J] C.2.303 x (8.314... 
Physics
A ray of light which is incident in air on the surface of the glass block is deviated through 15 degree. The angle of incidwnce in air is 60 degree.What is the angle of refraction in glass?Also calculate the critical angle for glass air interface. 
statistics
Will is convinced that there is a relationship between a woman's age and how old she acts. In order to test this , I asked the women in my family their ages and then gave them an age acting test. Check to see if wills hypothesis is true using p value 0.5. You mist indicate ... 
Math quick question
I was given a graph of an adult riding a bike. So I believe the period represents how long the wheels take to turn (is that correct?) now they want me to make a graph of a child riding a bike. Do you think the period would be bigger or smaller? I was thinking it might take ... 
psychology
Those who question evolutionary theorists’ ideas about human mating practices believe that evolution may have instilled in us the tendency to select a mate based on: A.wealth and attractiveness. B. attractiveness and youth. C. similarity and proximity. D. health and genetics... 
please help english
1. Which phrase, in "The Prisoner Who Wore Glasses," best describes Brille? (1 point) easygoing and generous with his friends intelligent, yet shortsighted in his political views intuitive and calculating in his appraisal of others quickthinking and quicktempered in his ... 
Chemistry
How many moles of nitrate ions are present in 24.0mL of a 2.93M solution of potassium nitrate? I'm thinking this is some form of unit conversion problem I know that M= molarity which is mol/L how ever I am confused on how to set this up and input information or if I'm on the ... 
How concepts develop
When Lorna pours water from a short, wide beaker to a tall, thin beaker, she recognizes that the amount of liquid remains the same. She's demonstrating _______ thinking. A. nonconserving B. comparison C. conserving D. onetoone correspondence my answer is b. 
concepts of development
When Lorna pours water from a short, wide beaker to a tall, thin beaker, she recognizes that the amount of liquid remains the same. She's demonstrating _______ thinking. A. nonconserving B. comparison C. conserving D. onetoone correspondence my answer is c. 
Human Development
Blake amuses and challenges his teachers with his independent thinking. He’s selfreliant and responds appropriately to corrections and criticism. Blake’s parents probably use the _______ style of child rearing. A. permissive C. authoritative B. authoritarian D. emotional 
writing
Jack was told the overall content of his paper was weak. What does this mean? A. The tone of his paper was not original B. He had too many grammatical errors. C. The overall ideas in his essay were not fully developed. D. The flow of his essay was inconsistent. Im thinking D? 
Calculus
Find the equation of the tangent to the graph of f(x)=2x^4 (to the power of 4) that has slope 1. Derivative is 8 x^3. This equals 1 at x = 1/2. At this point the ycoordinate is f(1/2) = 1/8. The equation of the tangent line is thus: 1/8 + 1*(x1/2) = x  3/8 Thank you for ... 
chemistry
The Rydberg equation, with n1=1, predicts an ultraviolet series of spectral lines of atomic hydrogen. Which of the following wavelengths is not predicted by the equation: 1/ = (1.097 x 10(7) m  1) x (1/n1(2)1/n2(2) a)182 nm b)103 nm c)97 nm d) 95 nm e) 91 nm I was thinking ... 
dressmaking
When preparing patterns,the chest measurement is make horizontally at A) the largest part of the bust B) the widest part of the back C) an area under the arm C) an area between shoulderline and bustline I'm thinking it could be either C or D 
Business
I want to buy a car with cash in 4 years. I have $10,000.00 that I can invest today. I can get a bond earning 4%. How much will I have for the purchase? This is what I am thinking for an answer but not quite sure: N=4 years I=4% PV=10,000 for a total of 11698.59 Am I on the ... 
Data Manag. [Probability]
Some1 owns a chocolate shop. A popular product is a box of 40chocs. 5 of which are nuts. if u pick 2 out, randomly, What is the probability that both chocolates are nuts Pr = 5/40 * 4/39 check my thinking. 
Research Methods
Thinking of a survey you might design for a commercial client such as a software company or a restaurant, what are the ethical implications of using the survey results to publicize your own research firm? Looking forward to some ideas! Thanks! 
SOC
a social institution like health care, how to Compare and contrast on how the theoretical perspectives view the institution of healthcare. Then how does this way of thinking affect the people who are in or part of healthcare? PLEASE HELP I JUST NEED TO KNOW HOW TO FIND THIS ... 
English
To give to others is the lesson Scrooge learned in The Christmas Carol, a famous novel by Charles Dickens and dedicated to his family. I sure To give to others is the subject of this sentence.I not sure about to his family. I am thinking an adverb. Is this correct? 
chemistry
I need help in drawing a structual formula for hydrogen cyanide(HCN)and cyanogen(CN)2, the drawing has to bear in mind the valencies of hydrogen(1),nitrogen(3) and carbon (4), any help appreciated H:C:::N: :N:::C:C:::N: Check my thinking. The previous one, too. 
bobpursley, please help me understand
I asked "Show mathematically that to produce an image that is the same size as the object in a concave mirror, the object needs to be at twice the focal length from the mirror." and you answered: "1/o + 1/o=1/f 1/2f + 1/i=1/f 1/i=1/2f i=2f M=di/do= 2f/2f= 1 check my thinking... 
Finance
Alphonse Inc. is thinking about investing in an annuity contract that will return $100,000 annually at the end of each year for 15 years. What amount should Alphonse pay for this investment if it earns an 6% return? 
Neuroscience
I'm struggling with the following question: The opening of chloride selective channels by a neurotransmitter X will drive membrane potential toward the chloride equilibrium potential. Assume that early during cell development, Cl is pumped into the cell for a concentration [Cl... 
Psychology
5. Why is confidentiality critical in counseling? (I chose D) A). Clients often share information that is incriminating. B). In order to build a trusting relationship, the client and the counselor need to share privileged information. C). Clients need to be protected from the ... 
Calc One
The function C(m) = .41m^2 + 6.7m  44/ .7m represents Miles Traveled per lb. of CO 2 released as a function of speed(in MPH) for a hyundai Sontana. the domain of this function is [10,90]. A) calculate C'(m) B)find the critical points of C(m). C)Where does C(m) have global ... 
Math
Hello! I need someone o check a couple answers for me please! I really need to get my Math and Science done, so I might be coming back again for my answers to be checked or to have help =) . 1. A car travels 172 miles using 7 gallons of gas. At that rate, how far can the car ... 
maths
i am thinking of a number i multiply it by 8 and subtract 163 i would get the same answer if i multiply by 3 and subtract 13 
Home School. PLEASE HELP ME!!
Once again i didn't get a book so im having trouble. I tried my best on the ones i answered..if i got any wrong please tell me and correct them for me please! Thanks so much :) 1. According to Jean Piaget, in what is all learning based? A. Sensorimotor learning (my answer) B. ... 
Plz help @Reed
Which statement is best supported by the fact that Mercy Otis Warren wrote plays critical of the British? Warren was one of the most popular playwrights of her day. Colonial women were interested in and informed about politics.*** Patriot women believed they were more ... 
Strategic
how critical do you think having a mission statement is relative to the overall success of an organization My frank opinion is that there is little correlation between having a mission statement and the success of an organization; however, I don't think that is the opinion of ... 
MathCalculus
Hi, I am trying to figure out what the limit as h approaches 0 of (12h)^(1/h) is. I am unfamiliar with the process I am supposed to use to solve this limit. I have just been reasoning out this limit, but I keep getting the answer, 1^(infinity)=1. My thinking when working with... 
chem
Benzaldehyde, C6H5CHO}, has a normal boiling point of 179.0 C and a critical point at 422 C and 45.9 atm. Using a phase diagram, estimate its vapor pressure at 125 Degrees I'm directing it up again to Dr. Bob. (or anyone else who can help) **** If the boiling point (179) is at... 
critical t hinking
Reporter: A new campaign finance reform bill being considered by Congress would limit the amount of campaign contributions that political candidates can receive. However, a survey of candidates running for mayor, governor, and senate seats shows that not one of them favors the... 
stats
for some independent data using the mann whitney test group a has rank sum of 97.5 with group size = 9 group b has a rank sum of 92.5 with a group size of 10 from the data table i have the two critical values for p=0.05 are 65 and 115 i know im supposed to compare them and ... 
statistics
for some independent data using the mann whitney test group a has rank sum of 97.5 with group size = 9 group b has a rank sum of 92.5 with a group size of 10 from the data table i have the two critical values for p=0.05 are 65 and 115 i know im supposed to compare them and ... 
history
The automobile facilitated the idea of worshipping at the altar of materialism. The development of the automobile helped to change the American culture by allowing individuals another avenue to show wealth and treasure it, two critical elements of the New Era. Could someone ... 
communications100
Select the phrase below that uses the least biased language: 1.When greeting your new boss, be sure and shake his hand. 2.The linguists received their training at Oxford. 3.Mankind should celebrate this invention. 4.Due to the bravery of the fireman, the young child was ... 
Economics
Suppose that you are a policy maker concerned with correcting the effects of gases and particulates emitted by an local power plant. 1. What tools would you use? 2. What would be the benefits of the actions? 3. What would be the costs? 4. How would you decide what was the best... 
math
six employees of a small company were asked the distance they traveled to work, to the nearest tenth of a mile. find the range of the distances: 2.7,5.9,1.7,4.7,6.9,3.5 This site demonstrates how to find the range of a group of numbers. http://www.mathgoodies.com/lessons/vol8/... 
math
i have this question the population fucntion of bacteria is observed to be f(t)=C e^2t where C is some constant. if after one hour a scientist abserves the growth rate to be 744 bacteria/hour what was the initial bacteria population. i know that C is the inital bacteria ... 
prealgebra
Justin wants to use 376 ft of fencing to fence off the greatest possible rectangular area for a garden. What dimensions should he use? What will be the area of the garden? A. 89 x 99; 8811 ft B. 92 x 96; 8832 ft C. 94 x 94; 8836 ft D. 93 x 95; 8835 ft thinking the answer is d... 
CalcDerivatives
I asked this before and did not get a response so I am trying again. (Note, I didn't know how to type the symbol for pi) What is the derivative of: 2pi^2r^4 would it simply be 8pi^2r^3? I was thinking the 2pi^2 is simply the equivalent of a constant in front of the r^4 and so ... 
physics
Is it true that when a baseball player hits a home run, the baseball receives a greater impulse from the bat than the bat does from the ball? My thinking is that everything should be equal so I would answer this question falseam I correct? 
psychology
The study of sensation and perception is important to a psychologist because perception and sensation are the foundation of: neurotransmitters and the brain's function. memory and how it is experienced in the world. the science of neuropsychology. learning, thinking, and acting. 
Hi (I know I asked the same thing)
Which is a true statement? 6.52 < 6.5 2.8 > 3.5 11.1 > 10.7 7.75 < 8.45 Okay, So I'm stuck. I'm thinking its D? The negatives are really confusing me, I forgot to add the negative sign to the answers last time. Do I look at it like it does not have any ... 
cultural diversity
How can stereotyoing effect group relations? Do you mean "affect"? I think so. Anyway, look up the meaning of "stereotyping" (watch spelling) at more than one website. Then let us know what you think. Someone here will be able to critique your thinking then. http://www.answers... 
Criminal Justice
Need help with Analyzing the history, purpose and how does the rivalry continue to shape and influence American thinking about the prison system's purpose. This is concerning the Great Penitentiary Rivalry: Pennsylvania Versus New York. 
SS HELP PLZ
Which statement describes the thinking of the enlightenment? A. The power of reason is more important. B. Scientific ideas must fit religious beliefs. C. Only god knows how the world works. D. Faith is more important than science plz help 
Canadian History
What were aboriginal peoples in Canada thinking and feeling about the nazi soviet pack in 1939? I can't find anything on it. I wanna know what the perspective of an at home aboriginal person was feeling towards the thought of another war? Please help. 
How Children learn
I have most of these answered already. I want to see if I have those right, and if someone can help me figure out the ones I don't have yet. 1)Acording to Jean Piaget,in what is all learning based? A)Sensorimotor Learning MY ANSWER B)Preoperational learning C)Concrete ... 
Physics/Math
For the vectors a = (3.9 m)i + (4.8 m)j, and b = (5.4 m)i  (2.0 m)j, give the x and y components, magnitudes, and directions of the following vector operations. (a.) a + b ______(x component) ______(y component) ______(magnitude) ______° (direction from the positive x axis... 
CIS 105
My assignment: • Describe one technological device in 350 to 700 words. Include the following: When did it come (or will it potentially come) into existence? What scientific or technological reasoning explains how this potential has been (or can be) be reached? My problem: I... 
Early Chilldhood Education
Information provided by a parent on an enrollment form can be shared with unauthorized persons only if _______ gives written consent. A. the program director B. the parent C. a staff member D. an agent from the state licensing agency I'm thinking its B i just need to know if i...