# Posts by cornelius

Total # Posts: 14

**Chemistry**

If the temperature of argon gas is 400 K and the average velocity of argon is twice that of radon what is the temperature of radon gas?

*May 14, 2016*

**college algebra**

The Johnsons plan to put down all-weather carpeting on the porch. The length of the porch is 2 feet longer than twice the width, and the perimeter is 64 feet. Find the dimensions of the porch.

*September 16, 2015*

**English**

1. Main idea- exercising Controlling idea- good health 2. Main idea- sexism and racism Controlling idea- workplace 3. Main idea- driving age Controlling idea- traffic accidents 4. Main idea- business Controlling idea- financial success 5. Main idea- dog owners Controlling idea...

*January 18, 2014*

**geometry**

I really don't know its hard may you help me

*May 8, 2013*

**math**

write a phrase for w/10?

*September 15, 2012*

**Pre Calc**

By definition tan(tan?1(7.4))=7.4 More explicitly: Let ?=tan?1(7.4) Then by definition ? is the unique angle such that tan?=7.4 and ??2<?<?2.

*November 15, 2011*

**MATH**

FACTOR COMPLETELY c^3 + 8

*October 26, 2011*

**Physics**

*62. A 40.0-kg boy, riding a 2.50-kg skateboard at a velocity of +5.30 m/s across a level sidewalk, jumps forward to leap over a wall. Just after leaving contact with the board, the boy's velocity relative to the sidewalk is 6.00 m/s, 9.50° above the horizontal. Ignore...

*November 11, 2010*

**Physics**

*62. A 40.0-kg boy, riding a 2.50-kg skateboard at a velocity of +5.30 m/s across a level sidewalk, jumps forward to leap over a wall. Just after leaving contact with the board, the boy's velocity relative to the sidewalk is 6.00 m/s, 9.50° above the horizontal. Ignore...

*November 11, 2010*

**calculus**

1) Solve for x in terms of k: log3(x) + log3(x+7) = k; 3 is the base 2) e^(x+5) = e^(x) + 6, solve for x. Please help, I have no idea how to do these and I've tried several times!

*October 2, 2010*

**american history**

what principle was ocerturned in Brown v Board of education?

*May 3, 2010*

**reading**

i tried president cleveland,where are you and i cannot find it

*February 18, 2010*

**reading**

i do not have the textbook,but i have to answer questions from the interactive reader.can i see pages or the stories on line

*February 18, 2010*

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**1**