Friday

February 27, 2015

February 27, 2015

Total # Posts: 894

**Calculus**

Consider the function f(x)=sin(1/x) Find a sequence of x-values that approach 0 such that (1) sin (1/x)=0 {Hint: Use the fact that sin(pi) = sin(2pi)=sin(3pi)=...=sin(npi)=0} (2) sin (1/x)=1 {Hint: Use the fact that sin(npi)/2)=1 if n= 1,5,9...} (3) sin (1/x)=-1 (4) Explain ...
*September 9, 2008*

**Calculus**

Consider the function f(x)=sin(1/x) Find a sequence of x-values that approach 0 such that (1) sin (1/x)=0 {Hint: Use the fact that sin(pi) = sin(2pi)=sin(3pi)=...=sin(npi)=0} (2) sin (1/x)=1 {Hint: Use the fact that sin(npi)/2)=1 if n= 1,5,9...} (3) sin (1/x)=-1 (4) Explain ...
*September 9, 2008*

**Calculus**

Consider the function f(x)=sin(1/x) Find a sequence of x-values that approach 0 such that sin (1/x)=0 sin (1/x)=1 sin (1/x)=-1 Is sin sin (1/x)=0 and sin (1/x)=-1 does not exist. What is sin (1/x)=1 then.
*September 8, 2008*

**Calculus**

Consider the function f(x)=sin(1/x) Find a sequence of x-values that approach 0 such that sin (1/x)=0 sin (1/x)=1 sin (1/x)=-1 Is sin sin (1/x)=0 and sin (1/x)=-1 does not exist. What is sin (1/x)=1 then. How would I show the sequence of values, any help would be greatly ...
*September 8, 2008*

**Calculus**

Use algebraic manipulations to evaluate lim x->infinity for the function. f(x)=x^2+4/x+3 Is the answer 1 or interdemediate?
*September 8, 2008*

**Calculus**

Find a value of the constant k such that the limit exists. lim x->1 (x^2-kx+4)/(x-1) Is the answer 5?
*September 8, 2008*

**Algebra**

1/x(x+4) Is the answer x+4/x
*September 8, 2008*

**Calculus**

A freight company will move one truck load of material according to the following cost schedule: The base shipping fee is $400 for any distance up to and including 150 miles and an additional $50 for each 50 mile increment over 150 miles. The cargo cost is 15 cents per pound ...
*September 7, 2008*

**Chemistry**

You have a 12 M solution of hydrochloric acid. How many milliliters of this solution will give 25.0 mL of 2.0 M hydrochloric acid when diluted? Very confusing, If I can get a step by step process on how to figure this out, that would be great.
*September 6, 2008*

**Chemistry**

You have a 12 M solution of hydrochloric acid. How many milliliters of this solution will give 25.0 mL of 2.0 M hydrochloric acid when diluted? Very confusing, If I can get a step by step process on how to figure this out, that would be great.
*September 6, 2008*

**Chemistry**

10.0 g of H2SO4 are added to 50. 0 mL of water. Is the answer 200. If not how do you approach the problem to get the solution.
*September 6, 2008*

**Chemistry**

3.392 g of unknown oxalate product is titrated with 0.201 M KMnO4. The initial burette reading is 11.23 mL, and the final burette reading is 46.88 mL. How many moles of MnO4- were added? Once again any helpwould be greatly appreciated.
*September 4, 2008*

**Chemistry**

You have a 12 M solution of hydrochloric acid. How many milliliters of this solution will give 25.0 mL of 2.0 M hydrochloric acid when diluted? Where to start, and Where to end. The process of figuring this problem would be greatly appreciated.
*September 4, 2008*

**english language arts**

4)The cross-country team ran (down the avenue) and (through the park).
*September 3, 2008*

**english language arts**

Ms.Sue is this right? 1)The puppy came (to our tent) and slept (at the foot) (of my sleeping bag). 2)A skywriter flew (over the field) (during the game). 3)The city was (without power) (for several hours) 4)The cross-country team ran down the avenue and through the park.
*September 3, 2008*

**something**

but some of them have adverbs and i get confuse
*September 3, 2008*

**something**

identify prepositions and subjects some have more than 1 1)The puppy came to our tent and slept at the foot of my sleeping bag. 2)A skywriter flew over the field during the game. 3)The city was without power for several hours 4)The cross-country team ran down the avenue and ...
*September 3, 2008*

**Language Arts**

well it was important beause later on it helped invent wagons and cars ,transpotation, and sign of some intelligence
*September 3, 2008*

**Calculus/Trigonometry**

A box of fixed volume V has a square base with length x. Write a formula for the height, h, of the box in terms of x and V. Sketch a graph of h versus x. Is the answer h=V/x^2
*September 2, 2008*

**Calculus**

If you can helpme on this problem you are GOD. If f(x) = ax^2 + bx + c, what can you say about the values of a, b, and c if: (A) (1,1) is on the graph of f(x)? (B) (1,1) is the vertex of the graph of f(x)?[Hint: The axis of symmetry is x = -b/(2a).] (c)The y intercept of the ...
*September 2, 2008*

**Calculus**

A box of fixed volume V has a square base with length x. Write a formula for the height, h, of the box in terms of x and V. Sketch a graph of h versus x. Is the answer h=V/x^2
*September 2, 2008*

**Trig**

The depth of water in a tank oscilliates sinusoidally once every 6 hours. If the smallest depth is 5.5 feet and the largest depth is 8.5 feet, find a possible formula for the depth of time inhours. I say f(x)=6.75+1.25sin(pi/3) Am I right
*August 29, 2008*

**trig**

Is this formula continous on the interval (-1,1) h(theta)=(theta)sin(theta) How do you enter theta into the calculator to graph the function. Also, am I suppose to plug in the numbers into the function to determine if it is continous
*August 29, 2008*

**Trig**

Is this formula continous on the interval (-1,1) h(theta)=(theta)sin(theta) I say no, but could some one explain the process involved in determining this.
*August 29, 2008*

**Calculus**

Find the exact real solutions, if any, of this quadratic equation. Use any method. If there is no real solution enter NONE in each box. 2x^2-5x+3=0 Is the smaller value none andthe larger value none.
*August 26, 2008*

**Calculus**

Perform the indicated operations and simplify the result. Leave your answer in factored form. 4+(4/x)/4-(4/x) Give the answer in the form Ax+B/Cx+D is the answer x+4/x-4
*August 26, 2008*

**Contenporay Math**

According to the Problem Solving Process, if anyone has completed this course..using Inductive or Deductive Reasoning; How many counselors are needed on campus to prevent students from waiting in long lines for academic advising? Please advise.
*August 25, 2008*

**Calculus**

Solve for x using logs. 4 * 16^x = 10 * 11^x Do you start by multiply 4 times 16 then 10 times 11, and then what? Or am I completely wrong?
*August 23, 2008*

**3rd grade trivia contest**

In the 2008 World Book Encyclopedia what are the guide words on the page with Komodo dragon?
*May 26, 2008*

**Science**

In the 2008 World Book Encyclopedia what are the 'guide words' on the page with komodo dragon?
*May 26, 2008*

**math**

1. (sec^2x-6tanx+7/sec^2x-5)=(tanx-4/tanx+2) 2. (sin^3A+cos^3A/sinA+cosA)=1-sinAcosA 3. csc^6x-cot^6x+1+3csc^2xcot^2x please help
*April 10, 2008*

**PLEASE HELP MEwith MATH**

i need help bad
*March 18, 2008*

**Ethics**

Explain the concept of deceptive advertising and manipulation. Use two credible sources to support your discussion and include examples of these concepts.
*March 18, 2008*

**Ethics**

Since I never got any real help with this. I'll repost the question, reworded. I have to compare and contrast two theories in ethics. So I've chosen Utilitarianism and Hedonism. Explaining what each are, how they are used today, and a summary of how they are different.
*March 17, 2008*

**Ethics**

Any two, not any specific two
*March 16, 2008*

**Ethics**

I have to compare and contrast two (any two) theories or concepts of ethics by providing 2-3 pages of a thorough discussion and exaples of my arguement. How can I write so many pages on something that's hard to understand?
*March 16, 2008*

**artist**

Hi, Im writing an essay on Joan Miro and i want to know what the mood of the painting/art is. I know that people found his work to be funny, exciting, imaginative, and scary... thx
*March 7, 2008*

**Speech**

hi can u give me a 2-3 minute persuasive speech 2 write on TV violence is harming children
*March 3, 2008*

**Science**

I have a 5 minute presentation on Gregor mendel. i already have the speech done and a poster. I am wondering what I could do that would be unique an would make my presenation better than everyone elses beause it is the biggest grade and I need to do good. Please help me.
*February 22, 2008*

**math**

a wall in front of a house is shown below. if 3/5 of the wall is made from brick, how do you determine the height of the brick portion of the wall. 7 3/4 height and width 15 1/5?
*February 17, 2008*

**math**

9 1/5 - 7 6/25 = 46/5 - 181/25 = 230 - 181/25 = 49/25 = 1 24/25 Now estimate to see if the answer is reasonable by rounding each mixed number to the nearest integer then subtracting.
*February 15, 2008*

**Precalc**

Find the values of x between (or equal to) 0 and 360 degrees to satisfy each equation. arcsin1/2=x I got 30 degrees as one angle, but how do I find the second one? arccot1=x Is the answer 45 degrees? Also, Find each value: arccos(-1/2) and sin(2 sin^-1 1/2) Thanks in advance. ...
*February 13, 2008*

**History**

The wall of reaction created in Europe by Metternich and other conservatives really collapsed with the A) Peterloo Massacre B) Decemberist Revolt C) Sucess of the Greek Revolution against turkey D) the 1830 JUly Revolution in france I think it is D
*February 2, 2008*

**History**

i need an idea for a poster to support the Mountain cause during the french revolution Please I need help
*January 1, 2008*

**business math**

Question: You receive the results of a paired-comparison preference these of four soft drinks from a sample of 200 persons. The results are as follows: Koak Zip Pabze Mr.Pep Koak ---- 50 115 35 Zip 150 --- 160 70 Pabze 85 40 --- 45 Mr.Pep 165 130 155 --- a). How does these ...
*December 1, 2007*

**business math**

I figured out question (a) However, I am having a problem coming up with the correct answer for (b). Can someone offer me some assistance. Thank you. Question: You receive the results of a paired-comparison preference these of four soft drinks from a sample of 200 persons. The...
*December 1, 2007*

**english**

thanks for the help
*November 25, 2007*

**english**

Okay, I made a footnote like 1 Finley quoted in Cantarella and put a 1 after the quote. Is that good?
*November 25, 2007*

**english**

Should I say the pg number so they know which quote I am talking about? And does that go at the bottom of the page?
*November 25, 2007*

**english**

how do I footnote it?
*November 25, 2007*

**english**

No, The fact...suggests that is what I said. Finley said women were-at that... and Cantarella quoted Finley in her essay.
*November 25, 2007*

**english**

But are you citing both authors? This is what I did, but I do not think it is right: The fact that they did not have first names suggests that “‘women were not, and ought not be genuine individuals, but only fractions of a family. Anonymous and passive fractions at ...
*November 25, 2007*

**english**

How do you quote a quote within a quote? Okay, Finley is quoted for saying "blah blah" in Cantarella's essay but I am writing an essay on Cantarella's essay and thus have to quote everything she says. How do I do this double quote? Thanks!
*November 25, 2007*

**english**

Thanks anyways. :)
*November 25, 2007*

**english**

'The fact taht they did not have first names suggests that' should not be in quotes because that is what I said.
*November 25, 2007*

**english**

The fact that they did not have first names suggests that “‘women were not, and ought not be genuine individuals, but only fractions of a family. Anonymous and passive fractions at that…’” (Finely, Cantarella 245). 'women were not, and ought not be...
*November 25, 2007*

**english**

But how do you cite it? "She said 'you are so fat, Martha' in that really nasty tone to me," my mother gossiped (Finley, Cantarella).
*November 25, 2007*

**english**

I do not think you are answering my question.
*November 25, 2007*

**english**

How do you quote a quote within a quote? Okay, Finley is quoted for saying "blah blah" in Cantarella's essay but I have to quote everything Cantarella said. How do I do this double quote? Thanks!
*November 25, 2007*

**math**

you can't factor it from there though, can you?
*November 11, 2007*

**math**

Is it possible to factor -4x^2-8x+16?
*November 11, 2007*

**math**

how do you factor -x^2-7x+10? thanks much
*November 11, 2007*

**Math**

if y varies directly as x find the direct variation equation for the situation: y=20 and x=16
*October 19, 2007*

**Precalculus**

Well that isnt one of my answers the question is multiple choice another choice is (36 - sq rt 35) + (6 sqrt 7 + 6 sqrt 5)i
*October 19, 2007*

**Precalculus**

okay I got 1-12 sq root of 35i is this correct
*October 19, 2007*

**Precalculus**

Perform the indicated operation and the write the result in standard form (6+ sq root -5)(6 + sq root -7)=
*October 19, 2007*

**statistics**

On an exam on probability concepts, Mary had an answer of 13/8 for one problem. Explain how she knew that this result was correct
*August 29, 2007*

**statistics**

Suppose you buy 1 ticket for $1 out of a lottery of 1,000 tickets where the price for the one winning ticket is to be $500. What is your expected value?
*August 29, 2007*

**statistics**

1. Express the indicated degree of likelihood as a probability value. "There is a 40% chance of rain." 2. Find the indicated probability A bag contain 6 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, what is the ...
*August 29, 2007*

**statistics**

1. Express the indicated degree of likelihood as a probability value. "There is a 40% chance of rain." 2. Find the indicated probability A bag contain 6 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, what is the ...
*August 28, 2007*

**Science**

What is plant food production?
*August 26, 2007*

**CHEMISTRY**

Where can I find a chart that shows the solubilities of various chemicals for the qualitative analysis lab? I'm trying to determine if the compounds are soluble in HCl, NaOH, and AgNO3, but there are many of them of which I am unsure. Therefore, I need something to check ...
*May 19, 2007*

**math**

How do you factor 2x^2-5x+2? (x-2)(2x-1) how do you figure that out? trinomials like that can usually be done intuitively, but you should have been taught a method that you can use for general cases. Look at the first term of 2x^2 and think where that can come from? (x...)(2x...
*May 2, 2007*

**math!!!**

can you please check my work 19mm=? m ?=.19??? .017km=? cm ?=1700? 61500cm/min =? km/h ?=.615? thank youuu! .019 (missed a decimal space) 1700 is correct The last one is a little trickier. First, figure out how many km per minute you are moving: .615 km/minute Since that is ...
*April 21, 2007*

**literature**

Does anyone know where I can find the last chapter in A Clockwork Orange? Perhaps online? Thanks! Since that book is not out of copywright, you will not find it on line. But this site has a good synopsis of the chapters. http://www.sparknotes.com/lit/clockworkorange/ If you ...
*April 15, 2007*

**algebra**

A continuously compounded account starts with $1500 in principal. The annual interest rate is 9.1%. What is the balance after 30 years? Help please. Thanks amount= 1500*e^.091*30= 1500 e^2.73 thanks
*April 12, 2007*

**math HARD**

What is the general formula for the factorial notation? Hmmmm. Hard? n!= 1*2*3*4*...*n-1*n I have been missing from school and we have just learned it. So I am not very good at it. There is quite a lot on Wikipedia /wiki/Factorial Which includes the general formula and a ...
*March 31, 2007*

**math**

How do you determine whether something is a function or not? If it is a rule or formula that lets you input one number to get another, then it is a function.
*March 19, 2007*

**math**

missed this in parade magazine, please answer for me man owns cows and chickens that total 30 when the son couned them his answer was 74 legs how many chicken did the farmer own x=cows y=chickens x+y=30 4x+2y =74 please finish for me Solve one equation for one variable. Take ...
*March 7, 2007*

**Math**

The average of X numbers is 15. If the sum of the X numbers is 90, what is the value of X? A)5, B)6, C)8, D)15 or E)75 What is the correct answer and how do you set up the equation? The answer is b)6 because if there are 15 average numbers and the sum is 90 you just multiply 6...
*February 25, 2007*

**Algebra HELP!**

6(7x - 5) = - 114 HELP!!!! distribute the 6 to the 7x and 5. then solve for x. Make sense? Thanks alot Marie! 6(7x-5)=-114 42x-35=-144 +35=+35 42x=-109 42x/42=-109/42 x=2 61/42
*February 25, 2007*

**Math**

m= (-1800)ft* (1 mi/5280 ft) / 3.25 mi = - 1800 / 5280 / 3.25 = - .1048 = - .10
*February 13, 2007*

**math, calc 2**

Using the disk method, find the volume of a right circular cone with height h and base radius r. I know the answer is 1/3pier^2h, but how do you explain or work out the problem?
*January 17, 2007*

**intro to algebra**

how do i figure out this type of problem. 7(12t). im in college but never learned algebra in high school The seven multiplies by the innards of the parenthesis. 7*12t= 84t
*January 16, 2007*

**English!**

What is the effectiveness of having a straightforward diction in a short story? It's probably more realistic, especially if the story is told in a 20th or 21st century setting. If you want to know what the difference would be, read a bit of Shakespeare, and then read a bit...
*November 29, 2006*

**TI-86 calculator**

How do you afte entering data into the table find that equation of a line? Thank you for using the Jiskha Homework Help Forum. If the following site, which is a tutorial, does not help you,there are other sites on the Web as well if you use a Search Engine searching for "...
*November 27, 2006*

**English**

how can you tell is something is in an informal styles of narrative writing what website can i go to learn more english and that can help me with the homework?
*October 30, 2006*

**man alive! can someone check for me?**

I am so bad when it comes to mathI I think I am slow! okay so my question is : a recrusive sequence is defined by tn= 2tn-1, where t1= 5 define the first five terms of this sequnce: so would I go like this to figure them out: 2tn-1, where t1= 5 so 2(5)(1-1)= 0 so the frist 5 ...
*October 18, 2006*

**Accounting**

At Dec. 31st Prepaid Rent (an asset wccount)was 9000. On that same date Deposits (an asset account) was 900 The second one, from the viewpoint of the company manager, she would have an Account Receivable (from the company) of $3500.
*September 25, 2006*

**math**

any shape with 4 lines of symmetry and rotational order 2. A rectangle would fit that description. See http://www.icteachers.co.uk/children/sats/rotational.htm#Maths I hope this helps. Thanks for asking. i need some help on my maths and i am inbarresed to ask my teacher
*September 17, 2006*

**Chemistry**

Is the following a physical or chemical separations: salt water --> water+ sodium chloride Do you change the composition of the water? Do you change the composition of the salt. I can't say which because you don't tell me how you separated them. For example, if I ...
*September 9, 2006*

**Chemistry**

I looked and could not find anything on iron smelting? Could you explain to me why it is a chemical process? Iron ore is a chemical compound, it has to be decomposed into iron + other. Surely you jest!!! I went to www.google.com and typed in Iron smelting and got over 1 ...
*September 9, 2006*

**Chemistry**

Why is iron smelting a physical process? I didn't know it was. Go to www.google.com and type in iron smelting. Read one or more of the articles. You don't need to read but a few lines to learn what you need to know.
*September 9, 2006*

**java programming**

You need to provide more than a yes or no answer for this question. Consider both the selection sort and the bubble sort. If these algorithms will work with duplicates explain why they will still work. If they will not work, explain why they will not work. If one will work and...
*July 29, 2006*

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