Friday
October 31, 2014

Posts by hw


Total # Posts: 24

chem
If I initially have a gas at a pressure of 13.5 atm, a volume of 2300 mL, and a temperature of 200 K, and then I raise the pressure to 14 atm and increase the temperature to 300 K, what is the new volume of the gas? Report the answer in correct number of significant figures ...
June 23, 2013

chem
How many grams do 4.30 x 1021 molecules of UF6 weigh? Report the answer in correct number of significant figures and units.
June 23, 2013

Math
40 quarters in 10.00 dollars 40x25milimeters=
February 8, 2011

math-geometry
you mean 5/1?
February 8, 2011

math-geometry
divide each side by 5 1y=5x ratio is 5;1
February 8, 2011

math
i think you need more info
February 8, 2011

WRITING(CHOCOLATE BAR)
say that it is made from delicious cocoa powder, sugar and milk
February 8, 2011

WRITING(CHOCOLATE BAR)
for the first one perhaps say what chocolate is made from....even include from what country the cacao beans come from
February 8, 2011

math please help
A (4,3) B (3,-3) c (-4,5) Find the slope of AB, BC, and AC. Find the tangent of each angle and their angle measure (inv. tan) using: tan of an angle =m2-m1/1+m1m2 m2 being the slope of the terminal side (measuring counterclockwise) the triangle looks like this c a b
February 8, 2011

math
62.5 percent
February 8, 2011

math
5/8 was present
February 8, 2011

Algebra
did you not understand my answer before?
February 8, 2011

Physics-Please help
did you make sure to put parentheses around the second part after the division sign?
February 8, 2011

math
A (4,3) B (3,-3) c (-4,5) Find the slope of AB, BC, and AC. Fond the tangent of each angle and their angle measure using: tanX=m2-m1/1+m1m2 m2 being the slope of the terminal side (measuring counterclockwise)
February 8, 2011

Algebra
you need to get it into slope intercept form--y=mx+b (m being the slope) to figure out whether they are parallel (having equal slopes) or perpendicular (slopes are negative reciprocals) 2y-x=2 2y=x+2 y=1/2x+1 slope=1/2 y+2x=4 y=-2x+4 slope=-2 -2 and 1/2 are negative ...
February 8, 2011

algebra
3.1
February 8, 2011

coordinate geometry
using distance formula d of GI= square root of 10-3.1622 twice this is the square root of 40 could be- 6 or 2
January 23, 2011

college algebra
find a common denominator-x 8x/x -5/x= 2x/x +3/x when you multiply both sides by x you get: 8x-5=2x+3 8x=2x+8 6x=8 x=8/6 x=1 and 1\3
January 23, 2011

algebra
if it is 3/(x-5)=10/(x+2) then the answer is 8 cross multiply= 3x+6=10X-50 56=7x x=8
January 23, 2011

algebra
is it 3/(x-5) or 3/x -5?
January 23, 2011

trigonometry
thanks a bunch!
January 23, 2011

trigonometry
using the law of sines, solve the rest of the triangle: side C=14 side B=4 angle c=145 degrees i got angle b= 9.4 angle a=25.6 side A=10.4 but i didn't know if it was correct
January 23, 2011

Math
x=(60*5)/25 x=total gallons
January 23, 2011

chemistry
.10 mol X (6.02X10 to the 23)/1 mole =6.02x 10 to the 22
January 23, 2011

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