Thursday

September 3, 2015
Total # Posts: 244

**Chemistry **

What equation is used when talking about airplane cabin pressure?
*April 27, 2010*

**algebra**

solving quadratics
*April 19, 2010*

**12th grade**

find the max and min values of f(x,y)= 3x+y for the polygonal convex set determined by x ¡Ý 1, y ¡Ý 0, and x+ .5y ¡Ü 2
*April 18, 2010*

**us history**

how did woodrow wilson's reform platform during the 1912 campaign differ from that of theodore roosevelt?
*January 31, 2010*

**psychology**

Scenario: John is an 18-year-old freshman at New York University. John was the starting quarterback at his high school in a small town in Indiana. He enjoys playing sports and hanging out with friends. John has always been popular and done well in school and sports. Once he is...
*January 16, 2010*

**PreCalculus**

Three sides of a fence and an existing wall form a rectangular enclosure. The total length of a fence used for the three sides is 160 feet. Find the value(s) for which the area is 2800 square feet.
*January 13, 2010*

**social studies**

i have a project due on n.j. piedmont regions what are they
*October 25, 2009*

**7th grade**

The answer to what did the Spanish farmer say to his chicken is olay, I'm positive I got 100% on my paper.
*October 21, 2009*

**AP Calculus**

thanks so much!
*October 5, 2009*

**AP Calculus**

find f'(2) given g(2)=3, h(2)=-1, h'(2)=4, and g'(2)=-2 f(x)=g(x)h(x) I'm just not understanding how to start this at all and what it wants me to derive when I don't know the function
*October 5, 2009*

**Physics**

.532 m/s
*September 21, 2009*

**U.S History**

whaata dumb ***
*February 26, 2009*

**government**

What determines who holds the postion of speaker of the house?
*February 12, 2009*

**Algebra**

Molly can paint a house in 4 days.Tess could paint the same house in 6 days. How long would it take them to paint the house if they worked together
*January 22, 2009*

**Chemistry**

okay then I had the +6e- for the first and +3e- for the second...but I just didn't get the H2Os and OHs and I don't understand how I messed that up...:S
*October 27, 2008*

**Chemistry**

Balancing Equations for Reactions Occurring in Basic Solutions: I have the answer for it and I've gone and redone it twice and I can't match the answer...I was just seeing if anyone could show the steps so that I could see where I messed up... NO2-(aq)+Al(s)-->NH3(...
*October 27, 2008*

**US History 1**

just a clarification i think i may have my events mixed up, the colonies- were under the articles of confederation correct? and then the am revolution happened and then the constitution? am i correct?
*October 15, 2008*

**Math**

The sun of a certain number and 3 times the number is 40. What is the number?
*September 16, 2008*

**ap chemistry**

there's a few questions I have...actually it's a bit more than a few... 1. Identify the carbon atom(s) in the structure shown that has (have) each of the following hybridizations: a. sp3, b. sp, c. sp2 N*triplebond*C-CH2-CH=CH-CHOH | CH=O | H 2. Draw all the possible ...
*August 11, 2008*

**chemistry**

...okay I think I understand it!...as for the naming...oh dear...thank you so much!
*August 9, 2008*

**chemistry**

for summer homework (which means "hey kids teach yourself something you've never seen while we go to the beach all summer") we got a packet on Organic Nomenclature and Simple Reactions...and there's some parts that I'm just not getting and the packet ...
*August 9, 2008*

**Chemistry**

tin 2-
*July 24, 2008*

**social studies**

which colonies guaranteed religious freedom
*May 28, 2008*

**calc help**

nice...this is from the ap test.. i didn't know how to do it either :/
*May 20, 2008*

**marketing**

1.A store has fixed costs of 80,000 and an avarage gross margin of 26%. Variable expenses are estimated to be 6% of sales. a.calculate the break-even sales volume. b.calculate the profit/losses for sales of 300,000 I got the formulas: unit contribution= price - variable costs ...
*March 25, 2008*

**english**

struggle! duh!
*March 13, 2008*

**social studies**

how did the civil war end? who surrendered
*February 2, 2008*

**biology**

is there a difference between heat capacity and specific heat capacity, or are they the same thing?
*November 2, 2007*

**Social Studies**

Thank you very much!
*October 1, 2007*

**Social Studies**

What was the purpose of the Seven Years’ War? What effects did it have on the(American)colonies?
*October 1, 2007*

**science**

i dont know thats what it says in my book
*September 11, 2007*

**science**

what are 3 possible ways in which a hypothesis may arise?
*September 11, 2007*

**Alg 2**

x^6-y^6 fist look at as a difference of squares: (x^3)2 - (y^3)2 =(x^3 + y^3)(x^3 - y^3) Now you have the sum of cubes and the difference of cubes, I assume you know the formulas for those. So you can keep going (x+y)(x^2-xy+y^2)(x-y)(x^2+xy+y^2) would be your final answer.
*August 3, 2007*

**anna frances'**

what is a square,i know it has four sides and blah blah blah,but i need two more answers like it is a kite (not really)!! It is the table supporting the hypotenuse. There is an example... what can your imagination come up with? It has 4 equal sides. It has 4 90-degree angles. ...
*April 12, 2007*

**biochemistry**

reactions that produce energy and related reactions that require energy
*January 29, 2007*

**physics**

A box of Cheerios and a box of Wheaties are accelerated accross a horizontal force vector F applied to the Cheerios box. THe magnitude of the frictional force on the Cheerios box is 2 N and the magnitude of the frictional force on the Wheaties box is 4 N. If the magnitude of ...
*November 27, 2006*

**physics**

A slide-loving pig slides down a certain 35 degree slide in twice the time it would take to slide down a frictionless 35 degree slide. What is the coefficient of kinetice friction between the pig and the slide? I know that when the coefficent of kinetic fricition is zero t=1/2...
*November 27, 2006*

**physics**

A 10 kg monkey climbs up a massless rope that runs over a frictionless tree limv and back down to a 15kg package on the ground. a) what is teh magnitude of the least acceleration the monkey muct have if it is to ligt teh package off the ground? If after the packafe has been ...
*November 21, 2006*

**physics**

An interstellar ship has a mass of 1.20 X10^6 kg and is initially at rest relative to a star system. a) what constant acceleration is needed to ring the ship up to a speed of .10c (where c is the speed of light, 3.0X10^8 m/s) relative to the star system in 3 days? b) what is ...
*November 21, 2006*

**physics**

Tarzan wights 820N, swings from a cliff at the end of a 20m vine that hangs from a high tree limb and initially makes an angle of 22 degrees with the vertical. Immediately after Tarzan steps off the cliff the tension in the cine is 760N. Choose a coordinate system for which ...
*November 21, 2006*

**physics**

Imagine a landing carft approaching the surface of Callisto, one of Jupiture's moons. If the engine provides an upward force (thrust) of 3260 N, the craft descends at constant speed; if the engine provides only 2200 N the craft accelerates downward at .39 m/s^2. a) What is...
*November 21, 2006*

**physics**

A 40 kg skier comes directly down a frictionless ski slope that is inclined at an angle of 10 degrees with the horizontal while a strong wind blows parallel to teh slope. Determine the magnitude and diercection of teh force of the wind on the skier id a) magnitude od the skier...
*November 21, 2006*

**physics**

Tarzan wights 820N, swings from a cliff at the end of a 20m vine that hangs from a high tree limb and initially makes an angle of 22 degrees with the vertical. Immediately after Tarzan steps off the cliff the tension in the cine is 760N. Choose a coordinate system for which ...
*November 21, 2006*

**unscramble**

Have no idea, but what is sustpelocal supposed to be?
*September 6, 2006*