# Posts by Xokki

Total # Posts: 7

**Math**

A |\ | \ | \ |___\C B tan(angle ABC)= 1453/2906

*July 15, 2012*

**Math 120**

graph the line 2x+3y=12 intercepts at (6,0)and (4,0) to check which region to shade, subs in a point i.e. (0,0) 0 is not greater than 12 shade the area on the opp side of the (0,0) which is separated by the line

*July 15, 2012*

**algebra**

let cost of the car be x: 0.07x=$1750 x=1750/0.07 =?

*July 15, 2012*

**intro chem**

Na2CO3 --> NaO2 + CO2 1.95g of sodium carbonate n=m/M n(sodium carbonate)= 1.95/(2x22.99+12.01+3x16)=0.018 mol Mole ratio is: Na2CO3:CO2 = 1:1 = 0.018:0.018 m(Carbon dioxide) = 0.018 x (12.01+2x16)

*July 15, 2012*

**Integrated Math 1**

b(a+2)+18(2+a) =(b+18)(a+2) so B

*July 15, 2012*

**astronomy**

The big bang theory states that the universe exploded in all directions from a single point which is otherwise known as singularity and it contained an enormous and incredibly concentrated amount of energy.At the instant of creation, the universe would have been unbelievably ...

*July 15, 2012*

**math**

This question requires radians and the conversion of such into degrees the general formula for it is degrees= radians x 180/pi radians=degrees x pi/180 in your case: converting radians to degrees becomes pi/3 x 180/pi = 60 degrees tan 60 = sqrt3 therefore, 2tan pi/3 = 2sqrt3

*July 15, 2012*

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