Critical Thinking/Math
145,717 results, page 31

Physics
A 100N uniform ladder, 8.0m long, rests against a smooth vertical wall. the coefficient of static friction between ladder and the floor is 0.40. What minimum angle can the ladder make with the floor before it slips? im thinking 100*0.40=40 degrees? can someone tell me if this ... 
Chemistry (Orbital help needed)
I just want to make sure I'm doing this right... (Numbers in brackets are the square roots or electrons) "How many orbitals are completely filled in an atom that has 12 electrons? The electron configuration is 1s[2]2s[2]2p[6]3s[2]?" It would be 2 right? I'm thinking it takes 1... 
american history (colonies)
I have to write an essay about colonial times, where i pick a colony in English North America and write a report for the board of directors of the stock company about the advantages and disadvantages of the colony. I can't decide on a colony though. I was thinking Connecticut ... 
Health
What is the correct denominator for calculating the cesarean section rate? A. The total number of discharges B. the total number of deaths for the period C. total number of deliveries for the period D. total surgeries number? I was thinking that the answer was C but im not 100... 
mircoeconomic
Lakshani has $5 to spend on pens and pencils. Each pen costs $0.50 and each pencil costs $0.10. She is thinking about buying 6 pens and 20 pencils. The last pen would add five times as much to her total utility as the last pencil. 
Sociology
When a parent gives a child a timeout for misbehavior, the parent is using what type of sanction? a) Positive formal b) Positive informal c) Negative formal d) Negative informal I'm thinking either (b) or (d) 
biology
Which process occurs in fungi and has the opposite effect on a cell's chromosome number than does meiosis I? karyogamy mitosis plasmogamy crossingover binary fission I know that it is not mitosis. And I don't think that it is crossingover. I was thinking that it was ... 
Algebra
One can think of "a out of b" without actually removing the pieces. For example, one might think of the fraction of Xs in the diagram X X O O O as "two Xs out of five objects," in which case 2/5 of the objects are Xs. Can you apply this way of thinking to the fraction 6/5 
psy
On p. 84 of the text, in the Thinking Clearly section, the conduction action potentials and activation of neurotransmitters is related to a row of mousetraps on a wobbly shelf. Think of another analogy you can use to describe the conduction of action potentials and activation ... 
Statistics
The TreeDropped Fruit Company wants to sell its apples in pink and yellow gift boxes. To design the boxes, the company needs to estimate the average diameter of their apples. A random sample of 50 apples has a mean of 4.1 inches. Using previous research you assume a population... 
Writing
HI, I AM WRITING A RESEARCH PAPER ABOUT SOMETHING IN WASHINGTON DC. BUT THE PAPER HAS A TWIST TO IT. IT HAS TO BE A TOPIC THAT IS CONTOVERSIAL/CAN BE ARGUED ON BOTH SIDES. I WAS THINKING ABOUT DOING SOMETHING ON THE TOMB OF THE UNKNOWN SOLDIER. DOES ANYONE KNOW HOW THAT CAN BE... 
US History
What gave Andrew Jackson the power to remove the Cherokee from their land? Georgia state laws Acts of Congress two Supreme Court decisions treaties signed by the Cherokee Im thinking two Supreme Court decisions? 
social studies
Present a cognent argument based on your critical analysis of the question posed, using appropriate psychological terminology: Imagine that you are a psychology student in a college introductory psychology class. Design an experiment using the follwowing terms related to ... 
Biology A1
When particles move out of a cell through facilitated diffusion, the cell __________. A>> first gains and then uses energy B>> does not use energy C>> gains energy D>> uses energy I'm thinking it's A... 
accounting
Your company’s sales are 50,000 units. The unit variable cost is $12. Your markup percent on sales is 40% and your fixed costs are $100,000. 1. What is your profit / loss? You are thinking of increasing your advertising by $200,000. Based on previous data, you know that for ... 
Math 4 questions PLZ help me ASAP
1) Mr. customs is correcting the class's math homework on customary units. which of the following measurements is reasonable? A. a pencil is 12 feet long B. the back porch is 12 inches wide C. the 3rd hole on the golf court is 123 miles long D. the distance from new York to ... 
Reiny Damon Bobpursley?
Thanks for reading this! A triangular prism has vertices at A(2,1,1) B(2,1,4) C(2,2,1) D(1,1,1) E(1,1,4), and F(1,2,1)? This question has two parts: 1  Which image point has the coordinates (3,2,1) after a translation using the vector <5,1,3> I'm thinking it'... 
Biology  GI Tract
I have a question about Vit B12. Where is it absorbed in the body? In lecture, the professor stated once that it's absorbed in the small intestine and then later stated it was the large intestine. I'm thinking small intestine makes more sense but I'd like to make sure. Thanks. 
health
Sodium intake can be controlled by A. carefully reading labels of processed foods. B. choosing frozen dinners over fast foods. C. keeping a blood pressure level higher than 140 over less than 85. D. increasing your intake of water to balance the sodium in your bloodstream. am ... 
h.s. physics
Consider a projectile that is thrown upward at an angle between 10 and 80 degrees from the horizontal, when are the acceleration and velocity vectors perpendicular to each other? (Only consider the motion during free fall.) a) nowhere b)at the highest point c)the launch point ... 
Physics
A 50 kg cart rests on frictionless surface. A net force of 75 N acts on the carts over a distance of 2m. What maximum speed does the cart reach? Work: I can figure that the acceleration is 1.5m/s/s, Vi= 0. I was thinking maybe if I found time through the kinematic equation d=... 
L.A
In "The Finish of Patsy Barnes" when Patsy saw Black Boy, his "heart was beating very wildly beneath his jacket" because he? A. Had never ridden in a race before B. Was thinking about his mother's illness. C. Feared his mother's reaction to his riding in the race. D. Had a ... 
Psychology
Will someone please let me know if I chose the right answer for my 10 questions? I will indicate my answer that I chose with (MY CHOICE) 1. Factors that distort the way the independent variable affects the dependent variable are referred to as: doubleblinds. placebo effects. ... 
social studies
what exactly does increasing/decreasing population growth say about the country? also, if birth and death rates remain the same, what is the population pyramid going to look like in a couple of decades? It depends on who is dying. If infants are dying, it quite different than ... 
English
Which is correct? This is a sample: it was made up in three seconds. This is a sample: It was made up in three seconds. Also, how many spaces should go between the colon and the next word? I was thinking two, since the clause after the colon is independent, but I'm not sure. ... 
microeconomics
7. For each of the following situations, decide whether the bundle Lakshani is thinking about consuming is optimal or not. If it is not optimal, how could Lakshani improve her overall level of utility? That is, determine which good she should spend more on and which good ... 
Algebra 1
The architect must factor several trinomials the are of the form x2 mx + n, where m & n are whole numbers greater than zero. She wonders if any of these trinomials factor as (x+a)(x+b), where a > 0 and b < 0. Is this possible? Why or why not? I do not understand how to ... 
Chemistry Help!!!
How will the osmotic preassure of an aqueous solution change as evaporation occurs? A.The osmotic preassure will increase. B.The osmotic preassure will not change. C.The osmotic preassure will decrease. D.The osmotic preassure will increase or decrease until it equals the ... 
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 ... 
english
Which word would best describe speaker's attitude toward person she is address in the song? Did you have to do this? I was thinking that you could be trusted Did you know to ruin what was shiny? Now it's all rusted Did you have to hit me, where I'm weak? Baby, I couldn't ... 
Chemistry
Vinegar is a dilute solution of acetic acid. In the titration of 5.00 mL of vinegar, 39.75 mL of 0.137 M sodium hydroxide solution was required to neutralize the vinegar to a phenolphthalein end point. Calculate each of the following of the vinegar. (a) the molarity : I got 1.... 
social studies
Pookie is listening to music through headphones so that no one else can hear it. When Pookie's sister walks into the room, he says, "Sissy, do you like this song?" even though she cannot hear the music. Pookie's question indicates that he engages in which kind of thinking? A. ... 
physics
A negatively charged balloon sticks to a wooden door. However, an uncharged balloon does not stick to a wooden door. What is the nature of the charge on the wooden door? A. Electrically neutral B. Positively charged C. Conductor D. Lacking protons I am thinking it is A or B? 
Anatomy/Physiology
Structurally, what is the difference between the dermis and epidermis? A. The epidermis is thicker. B. The dermis contains more types of tissue. C. The dermis is mostly of dead skin cells. D. The epidermis consists of mostly adipose cells. I'm thinking b or c. 
Statics
You wish to test whether or not a coin is fair, so you toss it 400 times and obtain 220 heads. Test the null hypothesis that the coin is fair and balanced against the alternative that it is not fair and balanced. Use the 1% significance level. Be sure to identify the null and ... 
Math
Four girls bought a boat for $60.00. the first girl paidone half the sum of the amounts paid by the other 3. The second girl paid onethird the sum of the amounts paid by the other 3. The third girl paid onefourth the sum of the amounts paid by the other 3. How much did the ... 
Chemistry
A compound contains only potassium and iodine. A sample weighing 12.3 g of this compound contained 2.90 g of potassium. How many grams of iodine would there be in another sample of this compound containing 9.56 g of potassium? Do I find the mol of each (12.3 g, 2.90 g) or am I... 
heat
a silver bar 0.125 meter long is subjected to a temperture change from 200 degree celsius to 100 degree celsius. What will be the lenght of the bar after the temperture change? I will be happy to critique your thinking and/or work on this question. Please post it. 
chemistry
continued from before.... the question was what are three chemical characteristics and ten physical characteristics so then would i have to say something like when iron rusts or sugar burns or something like that i was thinking that would just be a chemical reaction not a ... 
Early Child Ed. Please help!
Would you please check these questions and my answers? The first question is pretty tricky but its talking about transitions during early childhood services. 1. Transition planning for children with special needs should focus primarily on: A. maintaining continuity of ... 
College Physics
A cable attached to a block of mass 16.35 kg pulls the block along a horizontal floor at a constant velocity. If the tension in the cable is 9.36 N, what is the coefficient of kinetic friction between the block and the floor? not sure how to do this one ... I am thinking I use... 
As physics
How do you calculate the braking distance? driver reaction time=0.6s initial speed of car=30ms1 speed*2= distance*4 Please show all the steps and the equations you used in words the question states initial speed*2 is equal to = distance*4 If you need thinking distance it is ... 
torque
what happens to torque where force is applied? what happens to torque when force is moved from axis of rotation? what happens to torque when d changes? I will be happy to critique your thinking on this. 
Accounting
If you are thinking about buying common stock in a company and the company has preferred stock outstanding, what do you want to know about that preferred stock? And where will you find that information? 
business communication
Which of the following best describes these sentences from a congratulations message? Heartiest congratulations on being named plant manager of Maxell Industries. I am certain that you richly deserve this promotion, and I am sure that you are now thinking of expanding your ... 
English
In "The Canterbury Tales" Chaucer uses the pilgrimage primarily as a device to ___________. A.emphasize the characters' religious aspirations B.frame the stories told by individual characters C.describe the rigors of medieval life D.create a vivid and realistic setting B,C and... 
Social Studies (Ms. Sue)
8. Of the following choices, which ones influence the emergence of opposing political parties? Select all that apply. (There are 2 right answers) Mounting pressure from Britain to further establish government Increase in the distribution of newspapers Differences in opinion on... 
algebra
what is the perimeter of a square with sides that are sqrt3 + sqrt5 on every side? what is the area? not perimeter area= (sqrt3 + sqrt5 )(sqrt3 + sqrt5 ) Multiply it out. I will be happy to critique your thinking and work. 
Chemistry
"Find the total energy lost by the contents of a Styrofoam picnic cooler when a 3.60 kg block of ice placed inside the cooler completely melts (at 0 Celsius). The ice had an initial temperature of 10.00 Celsius." (Answer is 1.27*10^3 kJ). I was thinking of using q=mct, but I ... 
Physics
If I have a diagram of Kepler's laws of planetary motion and it shows change in t1 larger than change in t2 and A1 larger than A2 and asks the question: which of the following is correct? 1.A3 = A3 2.change in t3 > change t3 3.if change t3 = change in t2, then the orbit is ... 
college physics
Consider a projectile that is thrown upward at an angle between 10 and 80 degrees from the horizontal, when are the acceleration and velocity vectors perpendicular to each other? (Only consider the motion during free fall.) a) nowhere b)at the highest point c)the launch point ... 
Intro to comp.
A business has just hired you as an IT consultant. They are interested in cloud computing to provide supplementary power during the Christmas Season when demand for online products skyrockets. Which type of cloud computing would be Ideal? A Network as a Service B Platform as a... 
Math
What are the solution sets of the following 3 problems,the square root of x squared + 3x = x3, the square root of 3x + 10 = x + 4 and finally the square root of 8x  2 = the square root of 2x? Help much appriciated. I will one as an example. sqrt(3x + 10) =x+4 I hope that is ... 
Chemistry
The initial concentration for the compounds involved in the reaction shown were determine to be [CO]=1.80, [CL2]=9.70; [Cl2CO]=0. Calculate the value of the equilibrium constant (Kc) at 527C, if the equilibrium concentration of CO was 1.05E3. CO(g) + CL2(g) <> Cl2CO(g... 
Calculus
How do I find the critical values? y= 4/x + tan(πx/8) What I did is I simplified it to y= 4x^1 + tan(πx/8) then I took the derivative y'= 4x^2 + (π/8)(sec(πx/8))^2 Then I simplied it y'= 4/x^2 + (π/8)(sec(πx/8))^2 then I found a common ... 
math,help
Can someone explain to me the reasoning involved in each step when simplifying the fraction 42/56. I had this question wrong in my previous exam...I don't know what i was thinking when answering it......but i like to know what was the actual responce for it....thanks ...:) I ... 
Math
^=exponents /= divide So I am not sure how to do this. It is an example in my book but I still don't get it. Can you work through ti so I can do my real work. (1^2+1^2)^1 (1^2+1^2)^1 = First, do work within the parentheses. 1*1 = 1 and 12 = 1/(12) = [1+(1/(12... 
critical thinking
what factors may influence the credibilty of a source? These sites may give you some ideas. http://209.85.165.104/search?q=cache:6tC4FIzTIy4J:www.coastal.edu/writingcenter/wcdocs/credibility.pdf+source+credibility&hl=en&ct=clnk&cd=4&gl=us&ie=UTF8 http://www.kevinhogan.com/... 
Dr.Bob  about your post to a previous question
For that question by Josh on the second page I reviewed what you did and am confused to how you found the g excess reagent (NH3) I posted a response to what I found when I helped Josh with the problem. Could you please take a look at it and check my thinking on the problem ... 
environment
i need to write a letter to the environmental defense fund about an environmental issue..... any ideas on what i can write about? i was thinking about writing about how there needs to limits on how much Co2 can enter the environment....but it seems kinda hard to find ... 
phsyics
I was wondering what the difference in current would be in one full extension cord versus several extension cords (which equal the same length as the first) attatched together? I was thinking there would be more resistance when the current goes from one cord to another but I'm... 
Calculus Please Help4
Consider the area between the graphs x+2y=9 and x+6=y^2. This area can be computed in two different ways using integrals First of all it can be computed as a sum of two integrals as integral f(x)dx from a,b + integral g(x)dx from b,c I got a=6 b=3 c=19 but what does f(x)=? g(... 
social impact on technology
The article "Young at Risk" purposes that the young of humans and animals are more vulnerable to chemical pollutant exposure due to all of the following reasons except that: A. their brains are less sensitive than those of mature humans and animals. B. the young et and breathe... 
small business management
Which one of the following may be the least valuable source of advice when you're researching the market for your new business? A. Online attorneys who offer 24/7 Web site service B. Other business owners with similar businesses C. Local attorneys who specialize in business ... 
Jarad
The tortoise ran slowly and steadily to win the race. to win the race is the infinitive phrase I am thinking tortoise ran for what I am saying the phrase is used as noun 
To Desire
Your posts have been removed, mainly because you have given absolutely no thought to how you'll solve those problems in your assignment. In the future, please remember these things: 1. This is a homework help website; please put your subject (math, science, English, or ??) in ... 
english
Which of the following is not true of an epic? a. it is a long narrative work b. it embodies the values of a culture c. the story is written in either Latin of Greek but translated into English d. the hero is presented as someone who can perform remarkable feats i'm 100% sure ... 
chilcare
Barry seems to do things without thinking. He has a great deal of trouble waiting for things , and he frequently leaves his small group and interrupts other . Which exceptionality most closely resembles Barry's behavior? A Rett's disorder B Autism C Asperger's disorder D ... 
Translation with vectors
Thanks for reading this! A triangular prism has vertices at A(2,1,1) B(2,1,4) C(2,2,1) D(1,1,1) E(1,1,4), and F(1,2,1)? This question has two parts: 1  Which image point has the coordinates (3,2,1) after a translation using the vector <5,1,3> I'm thinking it'... 
algebra
Find the two consecutive odd integers such that 5 times the first integer is 12 more than 3 times the second. can some explain to me how to get this i was thinking the formula would be ' 5x+12=3x No, that's not it. The second integer is x+2, since it is "consecutive" and also ... 
Physics
A car is driven at a constant speed of 21 m/s (76km/h) down a road. The car's engine delivers 52 kW of power. Calculate the average force of friction that is resisting the motion of the car. My thinking: Convert 52 kW to 5200 W. Force of friction = force applied because there ... 
Cultural diversity
What are some similarities and differences between you and the people who are in leadership positions in your community? If you could resolve any inequities within your community, what would you change? How and why? Which main concepts from the text relate to race? I will be ... 
science
Do experimental measurements give the true value of a physical quantity? explain. ~I say no it doesn't. But why that is is up to debate on my part. I think that it doesn't give the true value because there is always a source of error and also varying factors such as ... 
biology
I have to write an essay on about why organ donation should be mandatory in Canada. I need help thinking of arguments. Some that I have thought of are: 1. there is a shortage of organs for transplants 2. it improves the life of the recipient 3. After death organs can be of use... 
Statics
You have a stainless steel hollow rod (E=193GPa,ν=0.29) that has an inner radius r of 1.2cm, a wall thickness t of 0.7mm, and a length L of 5cm. Calculate the critical loads, in kN, for local buckling and Euler bucking (Pcr,local and Pcr,Euler, respectively). Which would ... 
the exceptional child
physical disabilities affect young children's learning because: a.physical disabilities always affect thinking. b.cerebral palsy gets progressively worse. c. physical therapy takes time away from learning. d.their learning is primarily activitybased. 
Chemistry
Explain the significance of positive and negative values for each thermodynamic quantity in the free energy equation. (enthalpy change, entropy change, and free energy change) I think this is something you can find in your text/notes. If not, explain what you don't understand ... 
Algebra
To solve the system of equations, which expression could be substituted for x into the first equation? 3x5y=14 x+4y=10 a)104y b)4y+10 c)(1/4)x+(5/2) d)(1/4)x+(5/2) I have another problem just like this one so if you could explain how to solve this one I can (hopefully) ... 
Writing a paper.
I need help with thinking of points for a long paper I need to write, i'm trying to get as many ideas as I can, so any help is greatly appreciated. Basically i'm looking for points on how humans are destroying the eart, for example, overpopulation,reducing our resources, and ... 
NSU, Finite Math
Problem Solving:Using the Binomial Formula: P(x)=(nCx)pxqnx A Dozen Eggs An egg distributor determines that the probability that any individual egg has a crack is .014. a)Write the binomial probability formula to determine the probability that exactly x of n eggs are cracked... 
Teachers Aide/Language and other Barriers
8. In general, the best type of multicultural classroom materials are those that A. demonstrate stereotypes of other biased behaviors. B. can be used in a wide variety of ways. C. are unusual or unique items from foreign countries. D. are ordered from specialized multicultural... 
Algebra 2
an ice cream store has 31 flavors of ice cream and 10 toppings. A regular sundae has one flavor of ice cream, one topping, and comes with or without whipped cream. How many different ice cream sundaes can be ordered? I'm thinking 310 but how do i figure it out 
Chemistry
Which alcohol has the strongest intermolecular force of attraction? The weakest? Explain. A. 1Propanol B. 1Butanol C. npentane D. nhexane E. methanol F. ethanol We shall be happy to critique your thinking. Hint: look at the hydrogen bonding from the alcohols (and hydrogen ... 
Chemistry
Devise a scheme for separating Al(NO3)3, AgNO3, Ca(NO3)2, and KNO3 from each other. The hint provided is to use the Ksp tables. Also, how could you isolate KNO3 from the solution in this question? How about using the Ksp tables and giving us your thoughts? We don't want to do ... 
History
During the 16th century protestent reformation, what was the relationship between the church and state? http://en.wikipedia.org/wiki/Protestant_reformation Let us know what you conclude, and someone here will be able to critique your thinking. =) 
physics :thinking check please
I think that: psi= A sin kx; is a solution to Schrodinger's time independent eqn for a particle confined: a) within an infinite pot well, and b) within the walls of a finite well;but psi= B exp(kx) would only be a solution for outside the walls of a finite well. Am I close? ... 
Maybe you know this one..
Heyy, I posted this before but it kinda got pushed down and ignored, and I was hoping maybe DrBob might have an idea since no one else did! okay I have this question about chemistry and its driving me nuts. It feels like I am so close but am just missing something. The ... 
Criminal Procedure
Which of the following is a relevant constitutional amendment in criminal procedure? a)The Fourth Amendment b)Fifth Amendment c)Sixth Amendment D)None of the above I'm thinking b Fifth; or even d) which would be the Fourteenth Amendment. 
Electromagnetic inductioncheck answers
Please check my answers: why does an iron core increase the magnetic iduction of a coil of wire? I am thinking it has something to do with the voltage being increased. Will a cyclist coast farther if the lamp is connected to the generator on his bicycle is turned off? I say ... 
Maths (Calculus)
A current i = 50sin 100πt mA flows in an electrical circuit. Determine, using integral calculus, its a) Mean Value b) RMS Value each correct to 2 decimal places over the range t = 0 to t = 10 ms I need to do this two way so I was thinking of using the trapezoidal rule and... 
English
I included the last sentences. I find it difficult to rephrase the author's description of the characters' personality. I'll include it in my next post. 1) He remarks that among (of?) all his daughters, Lizzy is his favourite because she is cleverer and livelier. Mrs Bennet is... 
math
jen can run at 7.5 m/s and mary at 8.0 m/s. on a race track jen is given a 25 m head start, and the race eds in a tie. how long is the track? let x = distance run by jen. x + 25 = distance run by mary. time jen = d/r = x/7.5 time mary = d/r = (x+25)/8 Since they arrived at the... 
Psychology
"It all happened for the best," "I would never have left that dreadful job if they had not laid me off," and "Yes, I miss mom's home cooking, but I am going to school and building my future." These are examples of: (Points: 5) avoidant coping. problemfocused coping. emotion... 
health
Which of the following is true? A. It would take three to five hours to hydrate the body after a water loss of 3 percent. B. A critical time to replace bodily fluids is while exercising. C. Mild food ingestion during exercise increases water absorption from the stomach during ... 
Physics
If a 12v battery is in a circuit with two resistors. r1 and r2. R2 is 60ohms. A voltmeter measuring on either side of r2 gives a reading of 8v. Calculate the current in the circuit and the resistance of r1. Am I right in thinking the v = i/r 8 = 7.5 / 60 so the current is 7.... 
Statistics and Probability
A research manager at CocaCola claims that the true proportion, p, of cola drinkers that prefer CocaCola over Pepsi is greater than 0.50. In a consumer taste test, 100 randomly selected people were given blind samples of CocaCola and Pepsi. 58 of these subjects preferred ... 
Social
In the introduction, explaining the historical conditions or factors that led up to your report A) may be unnecessary, depending on the nature and length of your report. B) is unnecessary in internal reports. C) diminishes your credibility by wasting readers' time. D) is ... 
English
I have an article called ‘‘It would have been worse under Saddam:’’ Implications of counterfactual thinking for beliefs regarding the ethical treatment of prisoners of war” by Keith D. Markman , Nobuko Mizoguchi Matthew N. McMullen Can I take out the first names of ... 
Vertices  Reflections&Tranlations?
Thanks for reading this! A triangular prism has vertices at A(2,1,1) B(2,1,4) C(2,2,1) D(1,1,1) E(1,1,4), and F(1,2,1)? This question has two parts: 1  Which image point has the coordinates (3,2,1) after a translation using the vector <5,1,3> I'm thinking it'... 
physics
hey guys i'm stuck on this one question and i need some help!! thanks, appreciate it..... one gallon of paint (volume=3.786 X 10^3 m^3) covers an area of 25.0 m^2. what is the thickness of the paint on the wall?? could anybody please help guide me through this problem ...