Wednesday

November 26, 2014

November 26, 2014

Total # Posts: 17

**Calculus**

Given x^2+y^2=4, find the equation of the tangent line at the point (-1,sq.rt.3). Then, at what point is the slope 0? What point is the slope -1? I have no clue what to do!
*October 24, 2014*

**History**

I am to write an historical investigation, and this is my first time writing something like that. Is an IB school. the question is "How did the factory system affect the life of the working class in Britain?"
*June 24, 2014*

**Chemistry**

Calculate the volume of oxygen at 27C and 740 mmHg which could be obtained by hesting 10g of potassium trioxochlorate (v)
*January 18, 2014*

**Chemistry**

Thank you, so when I did that I got -137kJ. so is their answer wrong or mine. They had 400kJ.
*June 19, 2013*

**Chemistry**

Hi, I am doing a practice test for my chemistry final and I do not understand one of the answer they gave for this thermochemical equation question. I do not understand how they got 400kJ. The question is: Butane has a deltaH of -2871 kJ/mol when it undergoes complete ...
*June 19, 2013*

**Goverment**

What is a bias paragraph?
*October 27, 2012*

**Algebra**

what is 18 percent of 240
*October 2, 2012*

**math **

the outer distance of a bicycle wheel is 95cm how many complete turns does the wheel make when the bicycle travels a distance of 350m?
*July 25, 2012*

**Religion**

What can be a good picture of a modern situation of the ninth station of the cross when jesus falls the third time?
*March 18, 2012*

**Chem 110 **

Calculate amount of milliliters of 2.0 M HCl needed to neutralize 0.15 mol of NaOH
*November 8, 2010*

**chemistry**

Using the gas equation, V1=499ml; T1=25C+273K=298 P1=740mmHg At s.t.p P2=760mmHg; T2=273K; V2=? V2= 499*740*273 /760*298 =445.1 ans
*October 28, 2010*

**4th grade math**

erunhgme685405930
*March 4, 2010*

**Business Math**

Cost + Mark-up = Price cost=$240, mark-up=.7S, price=S $240+.7S=S $240=.3S S=$800
*December 8, 2009*

**Business Math**

It says the mark up is based on price not cost so i believe that Reiny's answer is wrong because her answer is based on cost not price.
*December 8, 2009*

**economics**

problems question 4
*January 29, 2007*

**economics**

(a) According to table 4.1, by how much would coffee sales decline if the price of coffee increased by 20 percent? (b) If Starbucks raised its coffee prices by the same amount, would sales decline by more, less, or the same amount?
*January 29, 2007*

**algebra**

Can someone please help me with the following?: Factor each expression completely: x²-x-72 3x²-3x-168 Here is the way I have found to do these. First, make a couple of sets of parentheses. ( )( ) We put in the first letter. From X2 we can get ONLY X and X so put ...
*November 22, 2006*

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