# Critical Thinking/Math

141,134 results, page 33

### Statistics

A certain type of artificial heart has four independent, critical components.Failure of any one of these components is a serious problem that will cause the artificial heart to fail. The 5 year failure rate for each component follows: component 1=.02, component 2=.05, ...

### Business

Can you help. Thinking about this I think a company can't really make a-lot of profit if they spend no money on quality controls because,"quality control is the more traditional way that businesses have used to manage quality. Quality control is concerned with checking and ...

### chemistry

What instrument is used to determine the mass and relative ambuandaces of small atomic particles? You may be thinking of the mass spectrometer. I'm not sure how small you are talking about but the mass spec is used to determine atomic masses and relative abundance of the ...

### pre algebra 1

Sasha finished mowing lawns at 4:15 PM. It took 1^3/4 h to mow the first lawn. The second and third lawns she mowed each took 1^1/5 h. She took one 45-min break. When did Sasha begin mowing the first lawn? A. 10.05 A.M. B. 11:05 A.M. C. 11:21 A.M. D. 12:21 P.M. thinking the ...

### Health

At allendale psychiatric hospital, the hospital census on january 4 is 110. according to the following data, whats the hospital census for january 5? admissions - 10 discharges - 2 a & d - 1 A. 99 B. 100 C. 108 D. 118 i am thinking that the answer is C but im not sure its ...

### Industries/ Comapnies

Hey I was wondering if you could help me compile a list of industries which the government plays a role (even if minimal) in terms of regulating competition as I will then need to choose one to write an essay on. So far I was thinking Ma Bell but I am not sure please HELP ME ...

### Philosophy

I need help understanding the following passage: “Could we suppose two distinct incommunicable consciousnesses acting in the same body, the one constantly by day, the other by night; and, on the other side, the same consciousness, acting by intervals, in two distinct bodies...

### Philosophy

I need help understanding the following passage: “Could we suppose two distinct incommunicable consciousnesses acting in the same body, the one constantly by day, the other by night; and, on the other side, the same consciousness, acting by intervals, in two distinct bodies...

### statistics

A local tire store suspects that the mean life of a new discount tire is less that 39,000 miles. To check the claim, the store selects randomly 18 of these new discount tires. When they are tested, it is found that the mean life is 38,250 miles with a sample standard deviation...

### 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.

### Thinking Mathematically - Geometry

A rocket ascends vertically after being launched from a location that is midway between two ground-based tracking stations. When the rocket reaches an altitude of 4 kilometers, it is 5 kilometers from each of the tracking stations. Assuming that this is a locale where the ...

### Thinking Mathematically - Geometry

A rocket ascends vertically after being launched from a location that is midway between two ground-based tracking stations. When the rocket reaches an altitude of 4 kilometers, it is 5 kilometers from each of the tracking stations. Assuming that this is a locale where the ...

### algebra

Consider the following four polynomials, labeled A - D: A. ( 2x2 - 4x ) B. ( x3 - 1 ) C. ( -3x3 + x2 - 4x ) D. ( x5 + x2 - 3 ) Find an algebraic expression that uses each of the four polynomials once and simplifies to: x8 + 3 Your expression may involve any combination of ...

### Physics

Please help. To cool a hot bath containing 50L of water at 50 degrees Celsius down to 20degrees Celsius, what volume of cold water at 5 degrees Celsius would be needed? (in litres) and what mass of ice at 0 degrees celcius would be needed? i'm thinking about using q=mcdeltaT ...

### equilibrium III

what's Kp if Cl2CO was found to be 7.46% decomposed at 395'C when initial pressure is 7.60atm. Cl2CO --> <-- CO + Cl2 Initial p = 7.60 atm. 7.46% decomposed. (CO) = 7.60*0.0746 = ?? (Cl2) = same ((Cl2CO) = 7.60*(0.9254) = ?? Kp = pCO*pCl2/pCl2CO Post your work if you get...

### Biology

How is sex (gender) determined in mammals? I was thinking that if the male gave over an X chromosome that the baby would for sure be a male because males have XY and if the male gave over an X then baby would for sure be a female because all females ar XY. Am I right? And ...

### Calculus II

Hello! I have a problem on volumes but I am having trouble visualizing the object. y=ln(x), y=1, y=2, x=0, about the y-axis For the graph, I graphed y=ln(x), then I have from 1 to 2. Is this one with a washer where I have integral fom 1 to 2 of pi*ln(x)^2 - pi* something? I'm ...

### microeconomics

i have to write a paper for a final and need some help with ideas for what I am writing about.. here is the question.... the competitive market system provides highly efficient mechanisms for the allocation of scarce resources to consumers. Using the guideposts to ecomonic ...

### Fine Art

17. During _______, the historian is concerned with the finding out if the artwork represents a particular style of art. a. analysis b. criticism c. interpretation d. inspiration ? 20. Effective organization of the elements of art is important when looking for a. organization ...

### math

An element has a half-life of 30 years. If 1.0 mg of this element decays over a period of 90 years, how many mg of this element would remain? Begin amount is 1.0 elapsed time is 90y half life 30 years n=9/30 n=3 90/2^2 90/8 = 11.25mg thinking it's wrong not sure what I missed...

### dividing a polynomial by a polynomial

(-6v^2 - 4 + 9v +v^3)/ (v - 4)i am just a little lost can someone explain this to me. thanks. Arrange the polonomial in descending order... v^3-6v^2 +9v -4 Then divide. v-4 !v^3-6v^2 +9v -4 The first term is v^2, so v^2*(v-4) is v^3-4v^2 subtracting that from the polonomial ...

### calculus

Consider the function f(x) = e^sin(cos(x)) on the interval [0, 4π] a) The critical points of f are at__________? [Hint: The range of the function cos(x) is [−1, 1]. What is the range of the function cos(cos(x))?] b) Local maxima are at ________? Local minima are at ________...

### To Ms. Sue

Ms. Sue Hi! Im not sure if you will be able to help me with this one, since is Math homework, but this time is just to confirm if Im right the question is: What is 1,112,433 rounded to the nearest ten thousand? A. 1,120,000 B. 1,100,000 C. 1,110,000 D. 1,200,000 I picked B ...

### Physics

Can someone please help me sort out this problem? "A boy standing at the equator jumps vertically into the air. Does he land in the exact same spot after landing?" I'm thinking that when he jumps he is also moving horizontally with the earth and so he will land in the same ...

### Investments

Melissa Popp is thinking about buying some shares of R.H. Lawncare Equipment, at $48 per share. She expects the price of the stock to rise to $60 over the next 3 years. During that time she also expects to receive annual dividends of $4 per share. A. What is the intrinsic ...

### intermediate algebra

Mr. Lakandula would like to increase his production of milkfish due to its high demand in the market. He is thinking of making a larger fishpond in his 8000 sq. m lot near a river. Help Mr. Lakandulaby making a sketch plan of the fishpond to be made. Out of the given sutuation...

### ENGLISH

Help:Please change show me anthing that I need to do, by placing the correct form at the it the bottom of the essay. Topic: What is your biggest regret in life? My Biggest Regret Everyone has had regrets about something in life. The regrets could have been about a relationship...

### HSM210 Human Services in the United States

I am not sure that I am grasping the concept of this assignment.. Could someone please read through my answers and let me know what you think? Thanks so much! (my answers are the letter or letters in front of the #'s) CRITICAL THINKING ACTIVITIES #1 Recognizing Deceptive ...

### 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...

### 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 ...

### Earthquakes

What determines the magnitude of an earthquake? I know that two plates slide against one another and that creates friction and the potential energy turns into kinetic energy in the form of an earthquake. But how is the magnitude determined? Im thinking the longing the 2 plates...

### health

what is the risk factor for the following situation? You and your friend go to a movie. After the show, your friend’s mom comes and they ask you if you need a ride, but you tell them that your mom was going to pick you up so they leave. You then check your cell phone and ...

### Chemistry

Would it be better to use an unknown acid sample of a size that should require 10.00 milliliters or one that would require 15.00 milliliters of titrant? Explain. I have been thinking about this question... And I don't believe it matters what measurement of milliliters is ...

### management

compare and contrast intrinsic and extrinsic motivation. Also give at least one example for each type of motivation from your own experience. We will be happy to critique your thinking on this. Look into your own experience: what makes you have drive? Is it extrinsic (external...

### maths

Compass bearings of a carin are taken from two points A and B, 400 m apart, along a strsight north-south path, A being due north of B. the bearings of the carin from A and B are 110 degrees and 80 degrees, respectively. choose the two options which give the distances from A ...

### English

I need help thinking of something to put on my poster board for an archetypal journey project over Their Eyes Were Watching God. I want a creative poster with something symbolic on it that represents the novel. If you read it you will know how and why she told it in three ...

### Chemistry

I've seen the posts on solving this particular equation, and I know the answer is right in front of me. I'm still having trouble understanding why... a 42g piece of ice at 0.0 degrees C is added to a sample of water at 7.8 degrees C. All the ice melts and the temperature ...

### Socials

I am coming up with a sample debate topic outline(not too elaborate) for class- and it must be on a current, global issue. I am thinking on addressing the currency fluctuations, but I don't really understand how any of it works, the current situation, or it's significance. ...

### Physics 11

Glycerine has an index of refraction of 1.47. What is the critical angle for a light ray traveling from: a)Glycerin into air b)Glycerin into water a) I know- n1=1.47 n2=1 angle of refraction=90 1.47(sin.anglei)= sin90 1.47(sin.anglei)=1 sin.anglei=0.6803 angle of incidence=42....

### Physics

The acceleration due to gravity on a planet other than the earth has a magnitude of 1.50 m/s2. As in examples 6, 7 and 8, a placekicker kicks a football with an initial speed of 20.3 m/s at an angle of 39.4 ° above horizontal. Assume that the ball is kicked on this other ...

### Biology

8. Presenting with symptoms of recurrent infections, weakness, and frequency of urination over a 6 month period, a 34-year-old man is found to have a blood glucose level of 142 mg/dl and an elevated hemoglobin A1c level. His most likely diagnosis is: A. Type 2 diabetes B. Type...

### 11th grade english

I am supposed to state how the italicized noun clause is used, but I'm not sure how to tell the difference.. can anyone help? 1. [What I wanted to do] was to finish my work. S <---- i was thinking subject? OP PN or DO? 2. The valedictory prize will be awarded to [whoever ...

### English

How is "Mortals" an example of postmodernist fiction? Select three examples from the text that best represent why "mortals" is an example of postmodernist fiction. Then, use The text examples to support your thinking as to why "Mortals" reflects this genre.

### SCIENCE HELP!!??

Hi Please any one can help me in my science homework It is Imagine that you were driving in a car and it was raining, what would be the froces acting around the car and what would the electrical charges bee around the car, on the base and in the sky. I will be happy to ...

### art

hi do you have any ideas for the following project: i need to pick any environment and document a message or issue about it in that exact environment, e.g. take a photo of my work in that place. i'm thinking about focusing on the issues of energy wastage but don't know which ...

### Role of responsible moderates

WHat role did responsible moderates, such as John Adams , Benjamin Franklin, and THomas Jefferson play in producing wide-based support for independence in the American colonies? "Diane" I have removed all the questions you posted. We will be happy to critique your thinking, ...

### Government

Laws that treat men and women differently: A. are always constitutional. B. are always unconstitutional. C. may be upheld by the Supreme Court if the meet certain criteria. D. may be passed by Congress, but not the states. My book says absolutely nothing about this, but I was ...

### Proof by contradiction

Prove that there exists no positive real number such that: 4x^2+1/4x <1 Can I simplify this inequality in the following way: multiply both sides by 4x so we have. 4x^2+1 <4x+1 Which renders the original statement false as 4x^2+1 cant be less than 4x+1. Even further can I...

### 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-word problems with quadratics

I have 5 questions... 1) The sum of two numbers is 12. Their product is 36. Find the two numbers. 2) The sum of two numbers is -15. Their product is -100. Find the two numbers. 3) The sum of two numbers is -8. Their product is 12. Find the two numbers. 4) The length of a ...

### English1A- Critical Thinking and Writing

Hi can someone proofread my introduction to a 7 page essay regarding Gender roles and Disney movies? Gender Stereotypes Society affects how the children of today perceive gender roles. From a very early age, the basic rules of membership are taught as girls are typically given...

### history

what is socratic method? i heared a lot of different stuff!! IDEAS PLZ Thank you for using the Jiskha Homework Help Forum. This is "thinking critically" and that can be done by using guided questions. Here is a good definition: http://en.wikipedia.org/wiki/Socratic_method THNX

### L A/The Giver

Which of the following events is part of the falling action of the novel? 1:Jonas is anxious about the Ceremony of Twelves 2:Jonas begins his training with the Giver 3:Jonas escapes and is on the run with Gabriel 4:Jonas learns what happened to the last Receiver. I'm thinking ...

### math please help!!

For what values of x is the graph of y = 8e^−x^2 concave down? (Enter your answer using interval notation.) I started by finding the second derivative and factoring and ended up getting 16e^-x^2 (2x^2-1) and I know up till this part that I'm doing the right thing. But ...

### Social studies homework

What was one reason of the formation of the Democratic Republican Party? Washington's cabinet members wanted to form a new party to strengthen the federal government. Thomas Jefferson's views clashed with those of Alexander Hamilton. The alien and sedition acts outlined the ...

### Social

To what extent should individuals play a role in serving their nation when the nation is self-interested? I think that they should play a role because they belong to the nation. Their voice matters, and even though the nation is still thinking about only themselves, they ...

### 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 ...

### science

Th energy associated with the absorption of a photon of wavelength 15.00 micrometers is _________J. Energy= Plancksconstant*frequency= =plancksconstant*speed of light/wavelength. wavelength= 15*10^-6 meters speed of light= 3*10^8 meters/second Plancks constant...look it up. I ...

### Math Help 2 Questions Urgent!

1. The Pythagorean Theorem can be used to find distances between two points on a grid. But what about finding distances in three-dimensional space? Consider a rectangular box, which has length l, width w, and height h. What is the distance from one corner to the opposite ...

### Psychology

If motivation consist only of drive-reduction, what is the perfect state of a human being? a. Competitive,hard driving b. Not hungry or thirsty,no pain,absence of fear c. Constant change,always reestablish homeostasis d. Gradual movement from primary to secondary drives. ...

### English

Can you proofread my essay? Thanks! In the essays "Imagine There's No Heaven" and "Why We Are Infidels," Salman Rushdie and E.L. Doctorow advocate different principles. Although Rushdie criticizes while Doctorow defines the nation's religious beliefs, these writers both focus ...

### @ Steve or Damon

take a look at this question http://www.jiskha.com/display.cgi?id=1446147947 Am I guilty of overkill or over-thinking this ? Surely there has to be an easier way.

### Physics

A man exerts an effort of 250 Newtons through a distance of 4 meters to lift a load of 1000 Newtons through a height of 0.75 meters. Calculate the velocity ratio. I'm thinking i divide the 4 meters(displacement of effort)/0.75 meters (displacement of load)

### physics

Praire dogs live in underground burrows with at least two entrances. They ventilate their burrows by building a mound around one entrance, which is open to a stream of air. A second entrance at ground level is open to almost stagnant air. Use Bernoulli's principle to explain ...

### Stats

Think of a situation like the thinking-suppression device example. Come up with a plausible scenario, with real-life data, using an observable that is binomial, and which you can measure in at least two dierent groups. For example: you might ask if somebody is a business or ...

### Sociology Multiple choice

Which of the following is(are) true of culture? a. culture would be significant whether people held it in common or not b. despite the cultural diversity that exists in American society, there are symbols, language patterns, belief systems, and ways of thinking that are ...

### teaching

How would you incorporate logic and experimentation into your curriculum and still emphasize Native American thinking into your curriculum? For example a science teacher could have students monitor and document the phases of the moon by dates and write down journal entries on ...

### math

A jar contains six red marbles, four green marbles and five yellow ones. a) determine the number of ways in which any thee marbles can be selected? b) Determine the number of ways to select four marbles where two are red and two are yellow? c) Determine the number of ways in ...

### Pharmacy

when a generic form of drug is prescibed, which of the following must be included on the label? a. generic form name and expiration date b. generic form name and the brand name c. generic form name and the prescriber d. generic form name and the patient's telephone number I ...

### Writing

I'm doing a paper on a person who had an big impact on my life. I need helping on how to start it off, like what should my first sentence say. what I was thinking. One person who had an big impact on my life would be Hill Harper. Is this a good way to start a paper?

### Organic Chemistry

One sample that is 1mm in height has a melting point range of 200-201. What would be the melting point range of a 10mm sample in height if both samples heating rate is 2 degrees Celsius per minute? I'm thinking it would be about 2000-2010 but I'm not fully sure. I used algebra...

### english

Which of the following is not true of parenthetical elements? A. The information they supply is necessary for the sentence to make sense. B. The information they supply can modify the subject or the verb. C. They provide additional detail. D. They require commas to set them ...

### Math

I don't think I am understanding this question. Question: A zoo started with 16 cranes and panned to hatch 20 chicks. A few birds were kept for breeding and the rest realeased into the wild. At the end of last year, a total of 136 cranes had spent some time in the zoo. If the ...

### SOCIOLOGY

Check a school or public library or a nearby bookstore for a collection of jokes and humorous stories. How many stereotypes of minorities are in such books? What roles do humorous images of minority groups play in our perceptions and thinking? Why are stereotypes difficult to ...

### Chemistry

Got another practice question but I'm really stumped on this one: If the [ZnCl4]^2- ion is diamagnetic what must its structure be and why - octahedral, tetrahedral or square planar? I know that diamagnetic means that all its electrons are paired and that makes it low spin (I ...

### English

I've completed all my body paragraphs and now I need to write my conclusion. However, I do not know how to start my conclusion. Several sights have said that I should start by restating the thesis but I think I'm missing a transistion sentance. I was thinking of saying ...

### Engliish Lit-Please check

"Those RULES of old discover'd not devis'd Are nature still, but Nature Mehtodiz'd Nature, Like Liberty is but restrain'd By the same Laws which first herself ordain'd What is this an example of simile hyperbole analogy overstatement personification I'm thinking it is either ...

### Math

1. Write the expression as a function of an acute angle whose measure is less than 45. a. sin 80 b. sin (-100) To find the postive acute angle, usually you would subtract 360 from the given measure. Would you have to subtract 45 from the given measure. 2. Points A (1,0) and B...

### EdTech

1) what is an example of bias in media A. A website that presents a controversial opinion as though it were fact. B. A television news program that presents both sides of a particular issue**** C. A podcast expressing an authors opinion D. A blog about the history of the civil...

### Organic chemistry

Help with prediction products of a reaction! 4-phenylbutanoyl chloride + AlCl3 --> ? the molecular formula of the product is C10H10O, and I need to determine the product. I was thinking an acylium ion would form, and then the carbonyl carbon would form a bond with the ring ...

### Teachers Aide/Early Childhood Education and After-

16. When planning activities for an after-school day care program, the teacher aide should provide A. drill and thinking activities that carry over from the school curriculum. B. activities that are highly structured and demanding. C. a choice of activities that foster ...

### Literature

My homework question says: "Write a response to Marianne Moore, describing your response to "Poetry." Cite specific passages from her poem." I understand how to cite specific passages, however, I am having trouble thinking of a way to "respond" to Marianne Moore's poem. Any ...

### Chemistry

The specific heat capacity of a metal is given as 0.745 J/ degree Celcius.What mass of the metal must be heated to 95 degree Celcius in order to be used to warm 2.548 L of water from 18.1 degree Celcius to 22.5 degree Celcius ? I'm so confused I don't even know where to start ...

### statistics

Perform a two-tailed hypothesis test on the intrinsic variable AND a two-tailed hypothesis test on the extrinsic variable's data using a .05 significance level. Begin by creating a null and an alternate statement. Use Microsoft Excel to process your data. Copy and paste the ...

### algebra2 plzz help

how do you solve these problems (5x)to the power of a+4(5x)to the power of a-2 3 to the power of 5 times xto the power of y+4 divided by 9 times x to the power of y factor 5aa-2 , which is the greatest common factor, out. 5aa-2(25x2 + 4) check my thinking. In the second, ...

### maths

1. If the first and third of three consecutive odd integers are added, the result is 51 less than five times the second integer. Find the third integer. 2. Write as a subtraction problem and evaluate. 15 less than -2 n, n+1, N+2, ... are consecutive intergers. N, N+2, N+4...

### writing skills

When you are told time after time that there are no jobs. And it is time _____________ for some creative thinking and acting. Which of the following is the best way to write the underlined portion of these sentences? If you think the original is the best way, choose option (1...

### Brave New World

Have any f you read "Brave New World?" If so, I would appreciate if you could give me a thesis, or rather a main idea that i could use for my essay. I am thinking of writing about how Huxley uses new vocabulary and how words have taken a new meaning. However, I don't know how ...

### calculus please help

the actual problem is integral(2 to +infinity) (1/x^2) dx and after integrating and plugging in the bounds, i got -1/(infinity sign)+ 1/2 does that converge to 1/2, Ln2, 1, 2 or is the answer nonexistent? what i was thinking that everytime the bottom number increases seeing ...

### Design

What is the difference between layering and terracing? A. More depth can be achieved with layering than with terracing. B. In layering, the materials are more three-dimensional than in terracing. C. In layering, materials such as leaves can't be reversed to reveal different ...

### Physics

A light ray of wavelength 610 nm is incident at an angle θ on the top surface of a block of polystyrene surrounded by water. Find the maximum value of θ for which the refracted ray will undergo total internal re- ﬂection at the left vertical face of the block...

### English

What does this whole paragraph mean??? Pharmacists are health care professionals who use their expertise in medicine to help people understand what are the medications they are taking, how they will help, and how they will react. They also give out information and counsel ...

### Chemistry

A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by ATP(aq) +H2O (l) --->ADP(aq) +HPO4^2- for which ΔG°rxn = –30...

### statistics

If a company is thinking of giving one department a 1000 bonus. Based on their means and standard deviation scores which set of employess will do better based on this information? Who should get the bonus? Employee A mean 16.875 standard deviation 4.45413 Employee B mean 12....

### English

I left out three sentences, I hope you can see them. 1) Can you use his/her when writing a dissertion? Exmple: The character stays fixed in a place whereas his/her consciousness moves freely in time. 2) There was no use in (is "in" necessary?) thinking of what might have been...

### Help Physics

Two equal-mass stars maintain a constant distance apart of 6.0 1010 m and rotate about a point midway between them at a rate of one revolution every 12.0 yr. (a) Why don't the two stars crash into one another due to the gravitational force between them? (b) What must be the ...

### English

I'm doing a competition & this time it's about vincent van gogh. it has to have gogh in it. mainly his family tree. ex. Family tree -dizzy aunt....vertigogh -brother who ate lot of pruns.. gottagogh -brother who worked at the 7 11..stop and gogh -his magician uncle-where did ...

### Accounting

Which of these assets are "quick assets"? -Cash and cash equivalents -Short-term investment -Trading assets -Accounts receivable -Inventories -Deferred tax assets -Other current assets I am thinking "cash and cash equivalents" and "accounts receivable" are, but I'm not sure ...

### Accounting

Which of these assets are "quick assets"? -Cash and cash equivalents -Short-term investment -Trading assets -Accounts receivable -Inventories -Deferred tax assets -Other current assets I am thinking "cash and cash equivalents" and "accounts receivable" are, but I'm not sure ...