# Posts by George

Total # Posts: 1,098

Calculus
consider k(t)=(e^t)/(e^t-7) on[-7,7] Is this function continuous on the given interval? If it is continuous, type "continuous". If not, give the t -value where the function is not continuous. I say continous, am I wrong? If I am wrong what interval is it on?

algebra
When solving for the roots of a quadratic equation, three (3) possibilities may arise what are these three possible cases? What do each of these cases mean?

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 ...

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 ...

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.

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 ...

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?

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?

Algebra

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 ...

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.

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.

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.

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.

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.

english language arts
4)The cross-country team ran (down the avenue) and (through the park).

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.

something
but some of them have adverbs and i get confuse

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 ...

Language Arts
well it was important beause later on it helped invent wagons and cars ,transpotation, and sign of some intelligence

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

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 ...

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

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

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

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.

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.

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

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.

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?

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

Science
In the 2008 World Book Encyclopedia what are the 'guide words' on the page with komodo dragon?

math

Ethics
Explain the concept of deceptive advertising and manipulation. Use two credible sources to support your discussion and include examples of these concepts.

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.

Ethics
Any two, not any specific two

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?

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

Speech
hi can u give me a 2-3 minute persuasive speech 2 write on TV violence is harming children

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.

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?

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.

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. ...

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

History
i need an idea for a poster to support the Mountain cause during the french revolution Please I need help

math 2
64

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 ...

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...

english
thanks for the help

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

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?

english
how do I footnote it?

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

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 ...

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!

english
Thanks anyways. :)

english
'The fact that they did not have first names suggests that' should not be in quotes because that is what I said.

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...

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).

english
I do not think you are answering my question.

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!

math
you can't factor it from there though, can you?

math
Is it possible to factor -4x^2-8x+16?

math
how do you factor -x^2-7x+10? thanks much

Math
if y varies directly as x find the direct variation equation for the situation: y=20 and x=16

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

Precalculus
okay I got 1-12 sq root of 35i is this correct

Precalculus
Perform the indicated operation and the write the result in standard form (6+ sq root -5)(6 + sq root -7)=

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

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?

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 ...

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 ...

Science
What is plant food production?

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 ...

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...

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 ...

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 ...

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

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 ...

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.

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 ...

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...

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

Math
m= (-1800)ft* (1 mi/5280 ft) / 3.25 mi = - 1800 / 5280 / 3.25 = - .1048 = - .10

Physics
Conservation of momentum: 6090(105) = 80(-253) + 6010(Vf) Vf = 109.77 m/s

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?

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

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...

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 "...

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?

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 ...

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.

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

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 ...

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 ...

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.

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...

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