Friday

May 22, 2015

May 22, 2015

Total # Posts: 149

**AP chemistry**

If 5.00 103 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield? 2 NH3(g) + 3 O2(g) + 2 CH4(g) 2 HCN(g) + 6 H2O(g)
*June 30, 2010*

**math**

What kind of Math are you doing? I think for any kind of math though, doing problems from the book may be the best way to study for an exam, but what you sound about how "if your teacher throws something diffrent at you, you bomb it" that right there tells me that as...
*April 25, 2010*

**Auditing**

Where is the answer key?
*March 11, 2010*

**Algebra**

log3 (2x – 1) – log3 (x – 4) = 2
*March 10, 2010*

**Math**

can someone sow me step by step how to evaluate the integral of the square root of x^3 using a u substitution? I dont understand this topic and I have a lot of problems to do like this so can someone just sow me so I can see the process? Thanks.
*February 21, 2010*

**nutrition**

After World War II, farming, fishing, and other food production activities became large scale enterprises which caused
*February 19, 2010*

**alegra**

I can not seem to ge this one right y=7-x, 2x-y=8
*February 18, 2010*

**susbstitution method**

y=6-x, y=x+2
*February 17, 2010*

**math**

how do i evaluate the integral of dx/ x^2 +9
*February 7, 2010*

**math**

what is the height of a 15 ft trees shadow?
*January 20, 2010*

**english**

how does raskolnikov, a tragic figure, from crime and punishment serve as an instrument for the suffering of others.
*January 20, 2010*

**word problem**

what are the dimensions of the lightest rectangular box without an open top whose base is a square and whose height is two less than the length of the side of the base?
*January 18, 2010*

**math**

what are the dimensions of the lightest rectangular box without an open top whose base is a square and whose height is two less than the length of the side of the base?
*January 18, 2010*

**science**

i have to do a chi square test based on the genetics of corn. I predicted that the ratio for the results below would be 8:2:2:1 and it works for the chi-square test. but then i have to say what the genotypes would be for each of the parents to match the ratio but i dont think ...
*December 20, 2009*

**science**

i have to do a chi square test based on the genetics of corn. I predicted that the ratio for the results below would be 8:2:2:1 and it works for the chi-square test. but then i have to say what the genotypes would be for each of the parents to match the ratio but i dont think ...
*December 20, 2009*

**math**

Resolved QuestionShow me another » AP Calculus related rates problem? The volume V or a cone (V = 1/3 ð r² h) is increasing at a rate of 28ð cubic units per second. At the instant when the radius r of the cone is 3 units, its volume is 12ð cubic units ...
*December 19, 2009*

**math**

a rectangle is to be inscribed under the arch of the curve y = 2cosx from x=-pi to x=pi. What is the length of the base of the rectangle with maximum area? can someone help me with this....i have a lot of problems to do just like this but i dont understand them. can someone ...
*December 9, 2009*

**math**

my teacher taught me how to do it like this but i cant seem to get an answer. try to follow my work and please help so the area for both sides is: A= 2x(2cosx) then i have to find the deriviative, which is: a= 4cosx-4xsinx (is this deriviative right?) then i have to set it ...
*December 9, 2009*

**math**

a rectangle is to be inscribed under the arch of the curve y = 2cosx from x=-pi to x=pi. What is the length of the base of the rectangle with maximum area? can someone help me with this....i have a lot of problems to do just like this but i dont understand them. can someone ...
*December 9, 2009*

**College US History thru 1877**

Thank you!
*November 16, 2009*

**College US History thru 1877**

I am needing help with a question and I need the url that the answer can be found,can not be wiki. How was General Sam Houston's command changed after the signing of the Declartation of Independence?
*November 16, 2009*

**english**

chaucer sounds like a modern day buisnessman. explain why
*October 18, 2009*

**Medical Coding**

I can not find the difference in the official coding guidelines for outpatient and inpatient v codes
*March 15, 2009*

**English**

In Act 2 scene 4, lear is finally confronted by the betrayal of his daughters.Lear is stripped bare and reduced to a helpless old man and it also marks he start of his descent in to madness. How does Shakespeare do so in Act 2 Scene 4???
*November 2, 2008*

**English**

1. Describe how kent endd up in the stocks. 2. Regan shows loyalty to goneril. How doew she do this? 3. List the reasons that Goneril and Regan strip Lear of his knights. 4. How is regan: A. Cold and Patrionising. And B. Taunting and cruel
*November 2, 2008*

**math**

Subsitute the 2 for the t, and then the -10, then the 6.9 so you get: g(2) = 4(2) + 1 = 9 g(-10) = 4(-10) + 1 = -39 g(6.9) = 4(6.9) + 1 = 28.6 :D
*November 2, 2008*

**math**

Subsitute the 2 for the t, and then the -10, then the 6.9 so you get: g(2) = 4(2) + 1 = 9 g(-10) = 4(-10) + 1 = -39 g(6.9) = 4(6.9) + 1 = 28.6 :D
*November 2, 2008*

**science**

i have 8 words i cant fine cam u help me? 1.RAQUK 2.LECEORTN 3.ORTOPN 4.PCEUORTM 5.NCESULU 6.UOENRNT 7.GTMANE 8.TRTEAM
*October 16, 2008*

**science**

can someone give me the steps of a neuron impulse path when you touch a hot stove? I just need the general path ....
*September 24, 2008*

**Math**

evaluate |4| + |-3| =
*September 24, 2008*

**Please help! math**

I dont understand these types of problems- Find the average rate of change of f between 1 and x f(x)-f(1)/x-1 and X cannot be equal to 1 1) f(x)= the square root of x+3 2) f(x)=1/(x^2) 3) f(x)=x^3 + x
*September 21, 2008*

**math**

I dont understand these types of problems- Find the average rate of change of f between 1 and x f(x)-f(1)/x-1 and X cannot be equal to 1 1) f(x)= the square root of x+3 2) f(x)=1/(x^2) 3) f(x)=x^3 + x
*September 21, 2008*

**math**

I dont understand these types of problems- Find the average rate of change of f between 1 and x f(x)-f(1)/x-1 and X cannot be equal to 1 1) f(x)= the square root of x+3 2) f(x)=1/(x^2) 3) f(x)=x^3 + x
*September 21, 2008*

**current events**

can someone help me find a really interesting human interest story I could present to my class?
*September 21, 2008*

**history/chem**

can someone briefly explain what did aristotle and what did plato contribute to chemistry?
*September 19, 2008*

**math**

Mike can run the mile in 6 minutes, and Dan Can run the mile in 9 minutes. If mike gives Dan a head start of 1 minute, how far from the start will mike pass Dan? How long does it take?
*September 17, 2008*

**math**

can someone help me write the equation of the line 1. parallel to the line x=5 passing through (4,2) 2. perpendicular to the line x=8 passing through (3,4)
*September 17, 2008*

**history**

what is a human interest story- is something about the economy a human interest story?
*September 17, 2008*

**current events**

I dont understand why a Car Bomb Hits a U.S. Embassy In Yemen. I know Yemen is the ancestral home of Osama bin Ladenand has been under al-Qaida attacks this year but can someone summarize the situation for me better?
*September 17, 2008*

**Algebra**

I am stuck on this question The length of a rectangle is fixed at 26 cm what widths will make the perimeter greater than 82 cm?
*July 9, 2008*

**science**

a clear type of quartz: rock -------
*March 5, 2008*

**arithmetic**

MSP- Your answer was correct. 10990. Thank you again!!
*February 20, 2008*

**arithmetic**

Thank you so much!! I will see if that is correct.
*February 20, 2008*

**arithmetic**

There are 7 girls on a bus. each girl has 7 backpacks. In each backpack there are 7 big cats. For every big cat there are 7 little cats. Question: How many legs are there in the bus?
*February 20, 2008*

**science**

the difference with growing alfalfa sprouts in soil and cotton buds and how come it grows faster and taller in the soil
*January 27, 2008*

**algebra**

an executive invests $35000, some at 9% and some at 7% annual interest. If he receives an annual return of $2910, how much is invested at each rate
*September 18, 2007*

**ASAP-before we were free**

wow staci. way to overreact. somebody wants attention....
*September 5, 2007*

**Language**

Insert correct punctuation So my question is this did you know that the longest tongue in the world measures 3.7 inches and belongs to Stephen Taylor (UK)?
*August 30, 2007*

**science**

Why is a heating element with a thermostat placed on the bottom of an aquarium? To heat the water. Heat rises so you would put it at the bottom of the tank.
*November 2, 2006*