Tuesday

October 6, 2015
Total # Posts: 618

**Chemistry**

A silver bar has mass of 368g. What is the volume, in cm^3, of the bar? the density of silver is 19.5 g/cm^3.?
*October 11, 2007*

**Chemistry**

The diamenter of a carbon atom is 77 pm. Express this measurement in um?
*October 11, 2007*

**Chemistry**

What are the 3 rule the govern the filling of atomic orbitals by electrons?
*October 8, 2007*

**Chemistry**

What the difference between an orbit in the Bohr model and an orbital in the quantum mechanical model of the atom?
*October 8, 2007*

**Algebra**

A suit designer has 15-3/5 yards of fabric. each suit uses 2-1/8 yards of fabric. (1) How many suits can be made? (2) How much fabris is left over?
*September 30, 2007*

**PHYSICS**

THE TYPICAL RADIO WAVE HAVE A PERIOD OF 1 US EXPRESS THIS PERIOD IN SECONDS
*September 12, 2007*

**Math**

Simplify: 5x{24-19)x[25+23)divided by 12-(9-7)} Please help! Subject is algebra. sorry- please help! Am I working the problem correctly? IS THE ANSWER 50? 5x{24-19)x(25+23)divided by (12-(9-7)) = (5x5x48)/(12-2) = (25 x 48)/10 = ? No, the answer is not 50. As best as I can ...
*February 14, 2007*

**geography**

what is the fourth largest country Check this site for your answer. http://worldatlas.com/aatlas/populations/ctyareal.htm In area? In population? What? http://www.infoplease.com/ce6/us/A0850088.html http://en.wikipedia.org/wiki/List_of_countries_by_population ??
*January 4, 2007*

**Math**

Do you need to regroup 10 tens for 1 hundred when you add 241 + 387? Yes. Notice the 8 and the 4 in the tens column, that is 12 in the tens column (120), or 10 tens and 20. Regroup, leaving 20.
*November 14, 2006*

**Substitution Method!PLZ HELP 2222!!**

y-2x=-5 3y-x=5 In the top equation: 1) y=2x -5 Put that in the second equation 3( ) -x =5 solve for x, then put that value of x back in to 1) to solve for y. So would it be: 3(2x-5)=5? would it?PLz help me bob and margie!
*November 5, 2006*

**Algebra!Problem Solving!PLZ HELP!**

Sunset rents an SUV at $21.95 plus $0.23 per mile. Sunrise rents the same vehicle for $24.95 plus $0.19 per mile. For what mileage is the cost the same? This means that one cost equals the other. Let X stand for the number of miles. Thus the basic cost plus the mileage costs ...
*November 5, 2006*

**Substitution Method in Algebra!HELP PLZ!**

Use the Substitution method to solve the system of equations. 3x + y = 5 4x - 7y = -10 multiply first equation by 4 multiply second equation by 3 thus both equations have same x or y value in this case it is the x value. 12x + 4y = 20 12x - 21y = -30 solve by elimination then ...
*November 5, 2006*

**English**

I really need help with this Essay question and I haven't got a clue. It is to do with Fitzgeralds "The Great Gatsby" please answer before Monday 6th November. Thankyou. here is the question: Through analysis of patterning, examine Fitzgerald's use of ...
*November 3, 2006*

**math**

what is a SQUARE ROOT? sqrt(x) * sqrt(x) = x sqrt(x) = x ^ (1/2) details: http://en.wikipedia.org/wiki/Square_root
*October 29, 2006*

**disease/mitosis**

What disease is caused when cells in body divide too rapidly by mitosis? It has been suggested that both certain types of cancer and Alzheimers have a relationship to mitotic disease. 1. Cancer 2. Elephantiosis (spelling?)The Elephant Man Is a good example, and movie. 3. ...
*October 24, 2006*

**science**

What are 3 chemical properties of iron and 2 chemical properties of sodium? http://chemistry.allinfoabout.com/periodic/fe.html http://chemistry.allinfoabout.com/periodic/na.html Thanks. That helped a little.
*October 22, 2006*

**civil war- true/false**

The soldiers died more of disease than gunshot
*August 28, 2006*

**Math**

What is range Range is the possible values a dependent variable may take on. For instance, If y= 3x+2, and the domain of x is {0,1,2}, then the range of y is [2,5,8]
*August 23, 2005*