Sunday

April 19, 2015

April 19, 2015

Total # Posts: 324

**history**

assimilation into American culture
*November 9, 2010*

**geometry**

plug in whatever points they gave you into the midpoint formula
*November 8, 2010*

**Chemistry**

What is the difference between and orbit and an electron orbital?
*November 8, 2010*

**World History**

How did religion and trade connect Africa to a larger world; with what results?
*November 8, 2010*

**World History**

What factors contributed to Islam's spread to south and southeast Asia?
*November 8, 2010*

**Spanish 1**

Hey the person above stole my name!
*November 8, 2010*

**Spanish 1**

12.d 14.c
*November 8, 2010*

**U.S. Government**

how can a young citizen become active in politics?
*November 5, 2010*

**English**

What is an essay-style question, and how would I write one about a book I read? I don't have to answer the question
*November 2, 2010*

**Math**

What is the answer and how the steps to solving y-15/32=2 6/7
*November 1, 2010*

**math**

kelly subtracted 2.3 from 20 and got 17.7 explain why this answer is reasonable
*October 26, 2010*

**grammar**

men fish gulf of mexico
*October 10, 2010*

**chemistry**

If a mole of hydrogen gas (H2) contains 6.02 x 10^23 molecules, how many molecules are there in 10.0 moles of hydrogen gas? Answer 60.20 x 10^23 molecules 6.0 x 10^23 molecules 6.02 x 10^20 molecules 6.02 x 10^24 molecules None of these is correct. would it be 6.02x10^24 or ...
*September 28, 2010*

**ap history**

when did american economic institutions began to be shaped in a capitalist framework? A.during the colonial period B.during the federalist era C.during the jacksonian era D.during the civil war E.during the late 1890s
*September 26, 2010*

**science**

a nickel is about 2 millimeters thick,or 2/1,000 of a metter. how many nanometers is?
*September 20, 2010*

**science**

i dont see it
*September 20, 2010*

**Maths**

A box with no top is to be built by taking a 6'' - by - 10'' sheet of cardboard and cutting x - in. squares out of each corner and folding up the sides. Find the value of x that maximizes the volume of the box.
*September 19, 2010*

**math**

I need real life example word problems using to ngative interjers.
*August 31, 2010*

**Calculus**

X2-7x-12/x-2
*August 9, 2010*

**Individual Income**

A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A
*June 30, 2010*

**Calculus**

What is the derivative and second derivative of 3x/(x^2-4)
*June 22, 2010*

**Vectors**

The point P(-1,0,1) is reflected in plane y-z=0 and has P' as its image. Determine the coordinated of point P'
*June 20, 2010*

**dress making**

For cutting dress fabric, it's recommended that you use
*June 1, 2010*

**chemistry**

How can one create an experiment that will deteremine the Ksp of a solid like Ca(OH)2
*May 29, 2010*

**Chemistry**

So far i have deltaH= 20g x 4.18 j/g deg C x 80 deg = 6.688KJ AND DELTA H= 1.11mol x 40.8 KJ/Mol = 45.3 kj but i dont know what to do next :(
*April 27, 2010*

**Chemistry**

If 55.0 kJ of heat are added to 20.0 g of water at 20oC, what is the final temperature of the system?
*April 27, 2010*

**chemistry**

A thimbleful of water at 100 deg C has a higher temp than a swimming pool full of water at 20 deg C, but the pool has more thermal energy than the thimble. Explain why this is possbile?
*April 26, 2010*

**Chemistry**

Some polymers are flexible when pulled one way but not another(example:milkbags). Can someone please explain why this happens?
*April 19, 2010*

**calculus**

Two roads intersect at an angle of 48º. A car and truck collide at the intersection, and then leave the scene of the accident. The car travels at 100 km h down one road, while the truck goes 80 km h down the other road. Fifteen minutes after the accident, a police ...
*April 15, 2010*

**calculus**

Three ships are at points P, Q, and R such that PQ=2km PR=7 km, and <QPR=142. What is the distance between Q and R, to two decimal places.
*April 15, 2010*

**Calculus**

A certain radioactive material decays exponetially. The percent, P, of the material left after t years is given by P(t)= 100(1.2)^-t a)Determine the half life of the substance
*April 13, 2010*

**Calculus**

How can i find the ln of both sides of the equation? 6=6e^3x and O.2= e^-kt
*April 13, 2010*

**Calculus**

How do i find the second derivative of f(x)= tan(1-x)^1/2
*April 13, 2010*

**Calculus**

How can i find f''(x) of the function f(x)= 2(cosx)(sec^2x)
*April 11, 2010*

**Calculus**

A fence is 1.5m high and is 1m from a wall. A ladder must start from the ground, touch the top of the fence, and rest somewhere on the wall. Calculate the minimun lenght of the ladder. I drew a diagram and i ended up with a right angle triangle. i made the hypotenuse the ...
*April 10, 2010*

**physics**

6. If you applied a force of 200N to push a box along the floor at a constant velocity, what is the net force on the box? What is the force of friction on the box?
*April 4, 2010*

**physics**

67-3 = 64 x 3.10 = 198
*April 4, 2010*

**Calculus**

How can i factor x^3 - 3x^2 + x -4? I tried the factor theorem method, but it doesnt work. Is there another method for factoring cubic equation? Is there a formula that one can use?
*April 3, 2010*

**Calculus**

When given only graph of f(x)(no equation), how can one graph f'(x) and f''(x)?
*April 3, 2010*

**biology**

a scientist finds no evidence that species in a community are competing and concludes that competition never played a role in the development of this community. is this conclusion valid?
*March 29, 2010*

**biology**

in a relationship that is an example of commensalism, would the species that is neither helped nor harmed evolve in response to the other species?
*March 29, 2010*

**biology**

in japan, native honeybees have evolved an effective defense strategy against giant Japanese hornets. imported European honeybees, however, are unable to defend themselves. explain this in terms of coevolution?
*March 29, 2010*

**Chemistry**

How does the molar mass of molecules affect the boiling points? e.g MOlar masses HI-->127.9 HF--->20.07 HCl---> 36.45 Boling points HI-->-35.55 HF---> 20 HCl--->-114.17 can it be said that except for HF molecule, as molar mass increases the boling points alos...
*March 27, 2010*

**Chemistry**

Are the intermolecular forces that are acting ont the molecule HF as follows: dipole-dipole, ionic and hydrogen bond
*March 27, 2010*

**Math**

Use synthetic division to divide. (4x3 + 26x2 + 10x - 12) ÷ (x + 6)
*March 17, 2010*

**Math**

Divide as indicated. (-2x5 - x3 + 4x2 + 58x - 20) ÷ (x2 - 5)
*March 17, 2010*

**Chemistry**

How does the process of chromium electroplating work?
*March 9, 2010*

**Chemistry**

How does the process of chromium electroplating work?
*March 9, 2010*

**Calculus**

4. Find the dimensions of the largest isosceles triangle having a perimeter of 18 cm. Answer ( all sides 6 cm) i really need help with coming up with the equation of the function before solving its derivative and making it equal zero so far i know 2x+y=18
*March 9, 2010*

**French**

Les visiteurs m'appellent un bebe. You made a mistake with the present third person of the verb appeler.
*February 27, 2010*

**Calculus**

How do i find the derivative of f(t)= 20- 30/rooot 9 + t^2 heres how i did it f'(x)= 20' - 30/root(9+t^2) ' = 0 - 30/root(9+t^2) ' (Quotient rule) f'(x)= 30' (root(9+t^2) - 30(root(9+t^2) ' f'(x)= -30(0.5(9+t^2)^-0.5) (2t) the answer at the back...
*February 27, 2010*

**chemistry**

a galvanic cell: A copper electrode is placed in a Cu(NO3)2 electrolyte. An iron electrode is placed in a Fe(NO3)3 electrolyte. a) What will happen to the voltage if sodium sulfide solution was added to the copper solution(I found that CuS(solid precipitate) will be formed, ...
*February 21, 2010*

**chemistry**

Why is it that an electrochemical cell(galvanic cell) cannot operate forever?
*February 20, 2010*

**chemistry**

How does the voltage of a galvanic cell change, when there is a precipitate in the solution?
*February 20, 2010*

**Chemistry**

TestubeA: KMnO4 + H2S04 + NaHSO3---->MnSO4+ K2SO4+Na2SO4 (colourless solution) a) if test tube a wasnt acidic enough, what colour might you expect in the products.
*February 14, 2010*

**CHEMISTRY**

reaction KMnO4+ EDTA(ethylenediaminetetraacetic acid) + MnSO4(s)---> MnCl3 (Violet/Rose solutions) note: Mn is being reduced. a) What is the catalyst in this reaction above? b)What is the role of EDTA in the reaction above
*February 14, 2010*

**chemistry**

Testtube B: Has a solution of KMnO4 + NaOH+ NaHSO3----> K2MnO4 (green coloured-solution)+H2O+Na2SO4 If too much HSO3^1- was added to this solution above, what would be the resulting colour and why
*February 14, 2010*

**math**

Well all u have to do is to get a calculator and divide 310000 by 9 310000DOLLAR/9PLP= 34444.44DOLLARS PER PERSON. So each person gets $3444.44
*February 14, 2010*

**chemistry**

defie le chatelier's principle and the role equilibrium plays in the reduction of stress
*January 22, 2010*

**english**

how is the way lady macbeth behaves in private to the way she behaves in public?
*January 11, 2010*

**Literature**

I said they symbolized people: sometimes rough on the outside, all beautiful on the inside, and unique.
*December 9, 2009*

**Literature**

Hey- I'm doing this question also. I think that what she is is passionate. She feels very strongly. She is also a little bit desperate. Hope this helps! p.s. how do you know she's talking to three children?
*December 8, 2009*

**Literature**

they are
*December 4, 2009*

**chemistry**

Write the complete balanced molecular, ionic,and net ionic equations for the reaction of nickle II chloride + sodium phosphate. Which product,if any, is a precipitate?
*December 3, 2009*

**math**

solve: x^2+2x-3=0
*November 22, 2009*

**PERSONAL FINANCE**

a SAVER HAS A $1000 ON DEPOSIT IN AN ACCOUNT EARNING 3 PERCENT INTEREST. dURING THIS YEAR THE INFLATION RATE WAS 5 PERCENT. AFTER ONE YEAR EHAT IS THE BUYING POWER OF THE AMOUNT IN SAVINGS FOR THAT PERSON?
*November 16, 2009*

**math-pre al**

your face
*November 15, 2009*

**English**

number one isn't right because it is two different tenses. yes, nuber 2 is right.
*November 4, 2009*

**careers**

bankers,CEO
*November 4, 2009*

**Pigskin Geography**

For numbers 13 and 14 on week 8 I cannot find how much larger houston is than buffalo and how much larger minneapolis is than Green Bay. Please Help!!! Thanks:)
*November 1, 2009*

**Ms. Sue please help**

Pigskin week seven interstates help please
*October 24, 2009*

**Pigskin Geography**

Does anyone know the interstates for week seven. Ithink its numbers 12-15 or something like that
*October 24, 2009*

**Pigskin Geography**

What are the Interstates for pigskin week seven. They are like the last problems and I can't find them anywhere.!!
*October 24, 2009*

**Physics **

3 MI/HR
*October 24, 2009*

**Math**

False. If x is positive and you put a negative in front of it, you have to divide by negative one which would then give you positive x again. If you multiply a positive x and a positive y then xy is positive. False. Hope that helps.!!!:)
*October 24, 2009*

**eng**

who is wulfings in beowulf
*October 7, 2009*

**english**

compare and contrast beowulf from batman
*October 4, 2009*

**english 3**

throughout the novel of the scarlet letter,what did weeds and poisonous plants symbolize?
*September 30, 2009*

**11th grade**

Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours?
*September 22, 2009*

**english**

fetter
*September 8, 2009*

**english**

perhaps the atlethes amoung them(relish) the additional exercise but i must (loathsome) the fact we do not have comfortable shuttles from the lot to campus
*September 8, 2009*

**english**

it is not exactly an(affliction) but seniors are forced to park quite far from campus. is affliction right
*September 8, 2009*

**english**

i already di just help me please!
*September 8, 2009*

**english**

can u help with the other two now?
*September 8, 2009*

**GR.10 CIVICS!!!!!URGENT**

CAN SOMOENE PLEASE GIVE ME A LINK TO A PICTURE THAT HAS TO DO WITH OR IS RELATED TO ABORIGINALS GAINING THE RIGHT TO VOTE IN CANADA(1960).PLEASE! ITS URGENT.THANKS
*May 30, 2009*

**chemistry**

THANK YOUUU!
*March 31, 2009*

**chem**

how about barium
*March 16, 2009*

**chem**

calculate the number of moles in 0.00655 g of antimony
*March 16, 2009*

**Romeo and Juliet Summary**

Could you please read my act 1 summary of Romeo and Juliet and if there are any changes needed please let me know. It doesn't matter if you don't remember the first act but as long as it sounds right to you. Thanks God Bless Sampson, and Gregory who are sevants to ...
*March 16, 2009*

**Romeo and Juliet Help (24 hours and no response)**

I posted questions yesterday and it's on the next page. Could you please check them and get back with me thanks.
*March 13, 2009*

**Romeo and Juliet (Check answers pplz hurry)**

Could you please check these answers from Act 1 (Review it's only 5 questions) 1.What warning does the Prince issue to the Capulets and Montagues? Answer: The Prince warns to the Capulet's and Montague's is if anyone fights they will be put to death. 2. What ...
*March 12, 2009*

**arithmetic**

83.6/4
*March 11, 2009*

**Romeo and Juliet**

Could you please help me with this thanks. In act 1 scene 5 Romeo and Juliet say speeches that form a sonnet. Could you give me a link that will give me a translation of what they are saying. Thanks for your time
*March 11, 2009*

**math**

a driveway is 162 feet long, 12 feet wide, and 6 inches deep. how may cubic yards of concrete will be required to lay the driveway? and pease explain answer
*March 10, 2009*

**math**

a rectangle has perimeter of 120cm a) write hte length of the rectalngle as a function of its width
*January 13, 2009*

**math**

what is the answer to 4/7 divided by 8/9 my teacher isnt very good at helping me
*January 7, 2009*

**pre-algerbra**

what is the simplest form 8/22 16/24,9/21/,20h/24h using product of prime factors.
*January 3, 2009*

**4th grade English**

Past tense :)
*December 10, 2008*