Thursday

August 21, 2014

August 21, 2014

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*

**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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