Tuesday

September 23, 2014

September 23, 2014

Total # Posts: 22

**Math**

Suppose that 40% of all college students smoke cigarettes. A sample of 10 is selected randomly. What is the probability tha t a half of the students smoke?
*April 24, 2014*

**chemistry**

Calculate the molecular weight of a gas if 4.5L of the gas at 785 torrs and 23.5 degrees celcius weigh 13.5g.
*February 13, 2013*

**physics**

A quarterback throws the football to a sta- tionary receiver who is 26 m down the field. The football is thrown at an initial angle of 36.5 to the ground. The acceleration of gravity is 9.81 m/s2 . a) At what initial speed must the quarter- back throw the ball for it to ...
*September 19, 2011*

**algebra 1**

A telephone pole stands exactly in the middle between two houses. The houses are 72 feet apart. If a wire is stretched from the top of the pole to the base of the house, its length is 39 feet. A. What is the distance of the pole from each house? 72/2= 36 36 ft from each house...
*April 29, 2011*

**vocabulary**

Greedy
*April 6, 2011*

**MATH**

ken cuts a 10fo piece of wire, the first piece is three times longer then the second how long is each piece?
*March 25, 2011*

**Chemistry**

given the balanced equation representing a reaction: 4NH3+5O2-->4NO+6H2O what is the minimum number of moles of O2 that are needed to completely react with 16 moles of NH3? (1)16 mol (2)20.mol (3)64 mol (4)80. mol i think its 2 but im not sure.
*January 2, 2011*

**6th grade**

in the figure below abc is a right triangle and m L a =36
*October 20, 2010*

**Economics**

Which is not an economic right enjoyed by consumers
*October 20, 2010*

**math**

if you use $63.00 divide by 9 to estimate $62.59, is $7.00 greater than the exact answer? explain
*September 22, 2010*

**algebra with pizzazz**

Gloves on. you know feeling... gloves. its spaces gloves space on
*May 10, 2010*

**5th grade math**

25/5x5= I got 25 for my ansewer
*September 9, 2008*

**anatomy**

It would heal by the process of granulation.I am destinees' grandma and I am a nurse R.N.
*September 9, 2008*

**math**

the above solution is correct
*September 9, 2008*

**History**

why did the red scare start?
*May 11, 2008*

**7th grade geometry**

i need terms fpor geometric shapes and cant find any anywhere
*January 28, 2008*

**Calculus**

and x=weeks?
*November 25, 2007*

**Calculus**

ok i got this R=(1000+200x)(20-x) R'=3000-400x is that right so far?
*November 25, 2007*

**Calculus**

At the moment OHaganBooks is selling 1000 books per week and its sales are rising at a rate of 200 books per week. Also, it is now selling all its books for $20 each, but the price is dropping at a rate of $1 per week. I need to know at what rate OHaganBooks' revenue is ...
*November 25, 2007*

**Calculus**

can someone start over on this problem?
*November 24, 2007*

**math**

im looking at a photo of a quipu, and the question states what numbers does a string with three knots at the bottom, four knots in the middle, and five knots at the top represent? Here is a start http://en.wikipedia.org/wiki/Quipu#The_encoding_system
*August 13, 2007*

**Civics**

What are some pros and cons of todays min. wages? Here are some sites on the pros and cons. There is also a poll included. http://www.youdebate.com/DEBATES/minimum_wage.HTM http://www.ncpa.org/sub/dpd/index.php?page=article&Article_ID=11242 (Broken Link Removed) (Broken Link ...
*November 29, 2006*

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