Thursday

March 26, 2015

March 26, 2015

Total # Posts: 1,432

**english**

yes, i will be teaching ESL classes.I'll look through this page and see what is says.:)
*December 7, 2008*

**english**

Hey everybody:) Question:How can I as a future teacher help my students to practice how to use language?
*December 7, 2008*

**deutsch**

Hallo!Versteht hier jemand deutsch?Ich muss einen Bericht schreiben.Muss ein Thema sein das etwas mit Kroatien zu tun hat.Eher was aktuelles.Wenn jemand mir Hilfe leisten kann könnte dann wäre ich sehr dankbar!
*December 1, 2008*

**government**

are third party efforts essentially a waste of time in America? who were the 4 greatest presidents and why? (did anyone know the site or where i could find the answer for this???)
*November 28, 2008*

**Niagara Falls**

So you mean the characteristics of Niagara Falls???
*November 26, 2008*

**Niagara Falls**

Well, I'm doing a project that I picked in science and one of the questions said "What are the physical features of Niagara Falls" and I don't know what that means, so please help me!!!
*November 26, 2008*

**health**

Well, you could say that how he's gonna ruin the family or what's going to happen if he drinks a lot.
*November 26, 2008*

**HS Calculus**

I have one more that I really am lost at. Question - find the points on the graph y=2x^3-3x^2-12x+20 at which the tangent is parallel to tthe x-axis. I do not even know where to begin. We were told we could use the shortcut for this one.! Thanks again
*November 25, 2008*

**HS Calculus**

Thank you . I think that I understand alittle better. It is oblivious that I do not understand this material.
*November 25, 2008*

**HS Calculus**

Definition of the derivative to calculate f'(x) if f(x) = square root 2x. Find the equation of the tangent & normal line to the graph of f at x=2. Tangent line - y=2x-x Normal line - y = 1/2x +3 I do not know whether these are the correct answers.
*November 25, 2008*

**HS Calculus**

Let f(x) = 2/3-x a) find the slope of the tangent to the graph of f at a general point x0 using the definition of the dervative. b) use the result in part a to find the slope of the tangent at x0=1. I am very confused. My answer for (a) 1/ 6-6x-x^2 (b) -1 I compared them to a ...
*November 25, 2008*

**Calculus**

what is the limit of x/(ln x) as x approaches 0?
*November 8, 2008*

**math**

235 x 0.3 = x 235 - x = the amount you have to pay
*November 6, 2008*

**HS Calculus**

1) Limit theta approaching zero sin squared theta/ tan theta 2) Lim x appraoches zero x + sin x/x x + sin x/x = x/x + sinx/x 0 + 1 =1 My answer : 1 Is this correct
*November 3, 2008*

**HS Calculus**

Help Have some more that I do not understand. Limit theta approaching zero SinTheta minus Tan theta/ sin cubed theta
*November 3, 2008*

**HS Calculus**

1) Limit theta approaching zero sin squared theta/ tan theta 2) Lim x appraoches zero x + sin x/x x + sin x/x = x/x + sinx/x 0 + 1 =1 My answer : 1 Is this correct
*November 3, 2008*

**HS Calculus**

Have some more that I do not understand. Limit theta approaching zero SinTheta minus Tan theta/ sin cubed theta
*November 3, 2008*

**Calculus**

Evaluate: Limit - Theta approaches 0 Theta /cos theta
*November 2, 2008*

**science**

What is the lock and key theory? Explain. I need to use words such as active site, substrate and catalyst Are there any diagrams of it?
*November 2, 2008*

**HS Calculus**

Sorry I posted the incorrect ? Evaluate: Theta approached zero Theta/cos theta
*November 2, 2008*

**HS Calculus**

Evaluate..........Please Help Lim Infinite -> 0 Infinite/cos infinite
*November 2, 2008*

**Math**

27 IS THE MODE WHICH IS THE # USED MOST. THERE ARE (2) OF THE FOLLOWING #'S: 20, 27, 36. IF THE MODE IS THE MOST USED #, THEN THERE SHOULD BE (3) 27. FIRST BLANK SPACE IS 27. RANGE IS THE DIFFERENCE BETWEEN THE 1ST # AND THE LAST #. FIRST # BEING 18 AND THE RANGE IS 22 SO ...
*October 27, 2008*

**calculus**

Help - I have three problems that I am stuck on - 1. Lim x approaches infinity (x-3/x squared + 4) 2. Lim x approaches 3 x cubed - x squared - 7 x +3/ x squared - 9 3. Lim x approaches negative infinity (x + square root x squared + 2x)
*October 27, 2008*

**calculus HS**

Analtical method to evaluate Lim X -> -infinite
*October 26, 2008*

**AP English Comp**

Same type of ?- Using - Notes of a Native Son by Baldwin 3. Baldwin uses many different writing techniques in the essay. Find instances of concrete description, action, reflection, and strong argumentative assertions. How do these techniques further his specific purposes.
*October 26, 2008*

**AP English Comp**

Help - Baldwin's - Notes of a Native Son - 1. What are the time periods of the essay? Baldwin does not present them chronologically; how does he connect them?
*October 26, 2008*

**Social Studies**

How did the Cherokee use the land to get food?
*October 22, 2008*

**Philosophy**

Appendix F Philosophy and Belief in God Matching Ativity
*October 20, 2008*

**college level physics**

a 40 kg skier skis down a frictionless slope angled at 10 degrees to the horizontal. Assume the skier moves in the negative direction of an x axis along the slope. A wind force with component Fx acts on the skier. What is Fx is the magnitude of the skier's velocity is (a) ...
*October 19, 2008*

**Math**

Soybean meal is 12% protein, cornmeal is 6% protein. How many pounds of each should be mixed together in order to get a 240-lb mixture that is 10% protein?
*October 19, 2008*

**Math**

Solve the following system of equations. x+2y=9 (1) x=3-2y (2)
*October 19, 2008*

**NOT SURE**

can i have some facts on Barack Obama and John MaCain please
*October 17, 2008*

**Science**

Could you please explain "total internal reflection" in simple terms (suitable for a 12/13 yr old.
*October 14, 2008*

**Science**

What in total internal reflection? (diagram please)
*October 13, 2008*

**12th grade Physics**

In an experiment, a car taveling at 88m/s,west slams into a wall and comes to a halt in 0.75 seconds. What is the car's acceleration vector?
*October 7, 2008*

**chemistry**

Consider a sample containing 2.00 mol of a monatomic ideal gas that undergoes the following changes from State A to State D: State A PA=10.5atm, VA=10.00L State B PB=10.5atm, VB=5.00L State C PC=24.5atm, VC=5.00L State D PD=24.5atm, VD=22.00L Assume that the external pressure ...
*October 4, 2008*

**business**

I know they are allowed to make a profit but at the same time a place like Singapore is capitalist and pays very little tax. I assume that both choices are somewhat correct. but it's a multiple choice question and i can only choose one so i dont know which one fits more
*October 3, 2008*

**business**

which one of these are true? In a capitalist economy: a) one might a profit b) one would pay no taxes
*October 3, 2008*

**TLC error**

When a TLC plate was developed, the solvent front ren off the top of the plate. why?
*September 30, 2008*

**History**

What should never be compromised?
*September 3, 2008*

**high school algebra**

The weather during Smedley's vacation was strange -- It was cloudy on 13 different days but it was never cloudy for an entire day -- Cloudy mornings were followed by clear afternoons -- Cloudy afternoons were proceded by clear mornings ---There were 11 clear mornings and ...
*August 28, 2008*

**Math**

The weather during Smedley's vacation was strange -- It was cloudy on 13 different days but it was never cloudy for an entire day -- Cloudy mornings were followed by clear afternoons -- Cloudy afternoons were proceded by clear mornings ---There were 11 clear mornings and ...
*August 28, 2008*

**Binomial Expansion**

Thanks for the link. But what happens when there is a number in front of one of the variables, like the 2y instead of y? Thanks again.
*August 5, 2008*

**Binomial Expansion**

Write the 6th term of the expansion of (x^2-2y)^9 and simplify. Thanks!
*August 5, 2008*

**English**

very intereseting seeing the development of an answer. she is called cary in the movie not carrie
*July 16, 2008*

**Reseach paper on Opinion 5.07**

You have to start thinking beyond the question. Use your introductory setence to answer every question from the Opinion 5.07. From there begin to think of what could happen if things weren't done according to the Opinion, the legal ramifications, how some states have even ...
*June 21, 2008*

**statistics**

Commercial airliners have a maximum allowable weight of passenger checked baggage. It is known that the distribution of individual passengers checked-in baggage weight has a mean of 42 pounds and a standard deviation of 25 pounds. Suppose that a particular airplane, with a ...
*May 15, 2008*

**probability**

If 2 cards are drawn at random from a standard deck of cards with no replacement, find the probability that both cards are heart I had 13/52 multiplied by 12/51 to get an answer of 1/17 A bucket contains 4 red, 2 yellow, and 3 green balls. If one ball is taken at random what ...
*May 15, 2008*

**statistics**

Let A and B be constants such that A < B. Let z be a standard normal random variable. For what values of A does P(A<z<B)approximately equal P(z<B)? Pick ALL that apply. a. A = -9 b. A = -26 c. A = 0 d. A = 9 e. None of these are correct. This is how I'm ...
*May 10, 2008*

**Physics**

Bulb P is rated 60 W, 110 V, and bulb Q is rated 100 W, and 110 V. Which of the bulbs has the higher resistance? they have the same cannot be determined bulb P bulb Q I had they have the same.
*May 7, 2008*

**Physics**

A 120 kg football player tries to dive into the endzone at 7.5 m/s to score a touchdown. A 150 kg player dives out of the endzone into the other player at 5 m/s to try and stop him. They collide at the goalline and the tackler holds on to the player diving into the endzone. ...
*May 5, 2008*

**algebra2**

name a point that lies on the circle: (x-2)^2+(y+3)^2=16 I cannot use the points (2,1) or (6,-3) and I can't find another point that works.
*May 1, 2008*

**Science**

An airplane has to fly eastward to a destination 856 km away. If wind is blowing at 18.0 m/s northward and the air speed of the plane is 161 m/s. In what direction should the plane head to reach its destination. So I know the direction is south east but can someone give me the...
*April 30, 2008*

**Math**

Define a relation R from Z to Z by (x,y) are in the relation if and only if the absolute value of (x-y) is less than or equal to two. Is R symmetric?
*April 13, 2008*

**english: critical thinking**

Yay!! I was abit skeptical but turns out all of the answers where correct! Thanks so much guys!! 100% Hugs, Jane <3
*March 19, 2008*

**social studies**

What is the term for the process when two cultures blend forming an entirely new culture?
*March 9, 2008*

**social studies**

What group invaded the indain subcontinent from the black sea area?
*March 9, 2008*

**CALCULUS-URGENT- no one will respond!!!**

we know the series from n=0 to infinity of c(sub n)*3^n converges 1. TRUE OR FALSE the series from n=0 to infinity of c(sub n)*2^n must converge 2. TRUE OR FALSE The series from n=0 to infinity of c(sub n)*4^n must converge 3. TRUE OR FALSE the series from n=0 to infinity of c...
*March 5, 2008*

**CALCULUS-URGENT- no one will respond!!!**

find the radius and interval of convergence for the series the series from n=0 to infinity of ((-1)^n*x^n)/(n+1)
*March 5, 2008*

**CALCULUS-URGENT**

we know the series from n=0 to infinity of c(sub n)*3^n converges 1. TRUE OR FALSE the series from n=0 to infinity of c(sub n)*2^n must converge 2. TRUE OR FALSE The series from n=0 to infinity of c(sub n)*4^n must converge 3. TRUE OR FALSE the series from n=0 to infinity of c...
*March 4, 2008*

**CALCULUS-URGENT**

find the radius and interval of convergence for the series the series from n=0 to infinity of ((-1)^n*x^n)/(n+1)
*March 4, 2008*

**CALCULUS-URGENT**

find the radius and interval of convergence for the series the series from n=1 to infinity of ((-1)^(n+1)*x^n)/n! I did the ratio test so I had the Lim as n approaches infinity of -x/(n+1), but this is 0, giving no radius, so I think I did something wrong...
*March 4, 2008*

**CALCULUS**

we know the series from n=0 to infinity of c(sub n)*3^n converges 1. TRUE OR FALSE the series from n=0 to infinity of c(sub n)*2^n must converge 2. TRUE OR FALSE The series from n=0 to infinity of c(sub n)*4^n must converge 3. TRUE OR FALSE the series from n=0 to infinity of ...
*March 4, 2008*

**CALCULUS**

find the radius and interval of convergence for the series the series from n=0 to infinity of ((-1)^n*x^n)/(n+1)
*March 4, 2008*

**CALCULUS**

find the radius and interval of convergence for the series the series from n=1 to infinity of ((-1)^(n+1)*x^n)/n! I did the ratio test so I had the Lim as n approaches infinity of -x/(n+1), but this is 0, giving no radius, so I think I did something wrong...
*March 4, 2008*

**english**

Could it be... Doing right all the time will ease your conscience?
*February 18, 2008*

**english**

revising danglers re write this sentence... By doing right all the time, your conscience will feel at ease.
*February 18, 2008*

**science**

how do protein assists with immunity
*February 15, 2008*

**ALB 2**

1.Find the greatest common factor in this problem. 12a3b2, 18a2b3, 6a4b4 2.Factor each of the following polynomials. 4s _ 6st _ 14st2
*February 13, 2008*

**statistics**

3 PROFESSORS WANT TO KNOW IF HAVING 500 STUDENTS IN THEIR CLASS IS DETRIMENTAL TO PROPER LEARNING. 1ST PROFFESSOR RANDOMLY HANDS OUT THE QUESTIONNAIRE TO 50 STUDENTS; ALL 50 ARE RETURNED TO HIM DURING CLASS. 2ND PROFFESSOR HANDS OUT THE QUESTIONNAIRE TO ALL 500 STUDENTS AND ...
*February 12, 2008*

**physical science**

if an engine must do 500 joules to pull a 10 kg load up to a height of 4 meters, what is the efficiency of the engines?
*February 11, 2008*

**PHARMOCOLOGY**

aLTERNATIVES FOR GABAPENTIN, LESS SIDE EFFECTS. NEURONTIN ORIGINALLY PRESCRIBED FOR NEUROPATHY, POST BONE MARROW TRANSPLANT.
*February 6, 2008*

**Pharmocology**

WHAT ARE THE ALTERNATIVE MEDICATIONS FOR GABAPENTIN, WHEN IT HAS BEEN PRESCRIBED FOR NEUROPATHY (POST BONE -MARROW TRANSPLANT) THAT HAS LESS SIDE EFFECTS THAN nEURONTIN?
*February 4, 2008*

**History**

Yeah its D b/c i just got that question on my AP Euro test right
*February 2, 2008*

**accounting**

Thanks
*January 29, 2008*

**accounting**

Does anyone know of a good site that explains how the enter the correct amounts to the unadjusted trial balance worksheet? I thought I understood this but my amounts are wrong. Thanks
*January 29, 2008*

**environmental science**

If you were an environmental researcher and were given funding to assist with one environmental issue, which of the following topics would you choose to spend your funds on?
*January 14, 2008*

**Physics**

What is the total charge on all of the electrons in two liters, 2 kg, of water? One mole of water has a mass of 18 g and each molecule of water contains 10 electrons. Way I worked problem: (2kg)(1000g/1kg)(1mol/18g)(10e-/1mol)(-1.60e-19/1e-) What I did do wrong?
*January 13, 2008*

**Physics**

What force would you have to exert on a 326-N trunk up a 19.0° inclined plane so that it would slide down the plane with a constant velocity? What would be the direction of the force? (The coefficient of friction between the plane and the trunk is 0.328.) The force of ...
*December 16, 2007*

*****Discrete Math***, pi^2.**

In S(5), let pi=(245)(1354)(125). (a) Write pi as a product of disjoint cycles. (b) Determine pi^2, pi^5, pi^(-1) (c) What is the order of pi? Why?
*November 23, 2007*

*****Discrete Math *****

I'm not sure how to start part(a). I believe part (b) is correct, but just in case I would like to make sure it's correct. (a) Explain p^(q-1) = 1 modq , If p and q are distinct primes. Ans: I was thinking of doing something like part (b) but I felt it was somehow ...
*November 23, 2007*

***** Discrete Math *****

I would like to know if my answers are correct. I also need help solving some exercises the right way. (a) Explain why [13] is invertible in Z50. Ans: it's invertible because there's some [t]E Z50 such that [13][t]=1 (b) Use the usual algorithm to find [13]^(-1)and ...
*November 23, 2007*

***** Discrete Math *****

I have solved parts of the question, but I want to know if they are correct. Other parts I'm not sure how to do, like part b and c. g(x)=2x+1 Define g^3= g^2 o g,...,g^n =g^(n-1) o g (where "o" means composition) a) Give rules for g^2, g^3, g^4 Ans: g^2= g o g= g...
*November 23, 2007*

**Physics HS**

Doing a physics lab on elastic material - Asked to list at least three sources of error in measurments and/or laboratory technique. I really do not understand what teacher is looking for?
*October 17, 2007*

**physics**

Car moving down road accelerates at uniform rate 2.8 m/s/s for 4.63 s to reach a speed of 106.7 m/s. 1) How fast was the car initially moving? 2) What distance did it travel during the a/c/c.?
*October 17, 2007*

**Physics**

Nuts is dropped from a tree and falls for 8.5 seconds before it hit ground. 1) What was the displacement in meter of nut? 2) With what velocity doe nut hit ground? 3) What is the velocity of nut when it has fallen to 4.25 seconds? 4) What is displacement of nut during the time...
*October 17, 2007*

**algebra**

nope I am positive it is the way I have it written. This problem has caused me more grief because I thought there should have been a "x" in it also. Thanks for looking at it for me.
*October 6, 2007*

**algebra**

I need to divide this but I am a little confused. I hope this makes sense I tried to make sure I have the parenthesis in all the right spots [(x^2-49y^2)/(6x^2+42y)] / (x^2 - 7xy) [(x^2-49y^2)/(6x^2+42y)]*[1/(x^2 - 7xy)] {[(x+7y)(x-7y)]/6(x^2+7y)]}*[1/ x(x-7y)] {[(x-7y)]/6(x^2...
*October 6, 2007*

**Int Alegbra**

2nd question Flagpole is secured on opp. sides by 2 wires. each of which is 5 ft longer that the pole. Distance between the points where the wire are fixed = to the length of one wire. How tall us flagpole to nearest inch?
*September 30, 2007*

**Int Alegbra**

2 more problems - Factory is to be bulit on a lot 180 x 240 . Local building code - specifies that lawn uniform width and equal in area of the factory which it surrounds. What must the width of this lawn be? Dimensions of the factory.
*September 30, 2007*

**Int Alegbra**

I need some help. A parcel of land is 6 ft longer than it is wide. The diagonal from one corner to the opposite corner is 174ft. What are the dimensions of the parcel? Thanks for your help.
*September 30, 2007*

**English Honors 11th**

Major themes of Beowulf? Is this considered a classic epic poem?
*September 27, 2007*

**Algebra 1**

Determine the maximum and minimum values for the following set.10, –45, 46, 15, –42, –13
*September 24, 2007*

**Physics**

Convert 1,953 grams/cubic centimeters into kilograms/cubic meters.
*September 19, 2007*

**Physics**

How do I convert 289 kilograms/square meter into grams/square centimeter?
*September 19, 2007*

**precalculus**

Luigi sells one size of pizza but he claims that his selection of toppings allows for :more than 4000 different choices." What is the smallest number of toppings Luigi could offer?
*September 9, 2007*

**precalculus**

Suppose that wo dice, one red and one green are rolled. How Many different outcomes are possible for the pair of dice?
*September 9, 2007*

**precalculus**

problem with permutation - An omelet can be ordered plain or with any or all of the following fillings: cheese, onions, peppers. How many different kinds omelets are possible?
*September 9, 2007*

**Chemistry**

Thanks
*September 8, 2007*

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