Tuesday
December 10, 2013

# Posts by Robby

Total # Posts: 48

CHM
Calculate the molecular weight of a small protein if a 0.32 g sample dissolved in 161 mL of H2O has an osmotic pressure of 9.0 mmHg at 25 degree celcius. (R=0.0821 L X atm/K X mol)

Physics
Our Milky Way galaxy is very similar to our neighboring galaxy Andromeda. Consider that each galaxy contains approximately 4.0 x 10^11 stars each star having an average mass of 2.0 x 10^30 kg. a. If the gravitational pull of Andromeda is 2.4 x 10^30 N, how far away is Andromed...

Spanish
What does Que compras tu para tu madre? Mean

Spanish
How do you say "I will travel to California in the fall" in Spanish

marketing
Choose a real or made up example of a company, and describe at least three fixed costs the company has.

Unscramble
beuaty lies in the eyes of the beholder

math sequence
the first 5 terms of a linear sequence are given below: 8,6,4,2,0... What is the 100th term in the sequence? A. -192 B. -190 C. -108 D. -90 I could figure this out in like 5 minutes, but I know there's a pattern I can't remember to figure it out quicker.

algebra
4y + 5x = -7 divide everything by 4 to get y alone 4y/4 + 5x/4 = -7/4 y + 5x/4 = -7/4 subtract 5x/4 from both sides of equation y +5x/4 = -7/4 -5x/4 -5x-4 ________________ y = -5x -7 / 4 -5x - 7 ___________ 4

algebra
x + 15 = 85 - 15 -15 (subtract 15 from both sides of equation to get x alone and keep equation equal.) x=70

100th term of sequence?
the first five terms of a linear sequence are 8,6,4,2,0.... What is the 100th term of the sequence? I could figure this out with a few minutes of patience. But I know there is formula which I cannot find anymore to solve it quicker :)

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