Friday

August 22, 2014

August 22, 2014

Total # Posts: 48

**College Alegbra**

An arrow is launched upward with a velocity of 54 feet per second from the top of a 75 foot building. What is the maximum height attained by the arrow in feet?
*October 20, 2012*

**chemistry**

...but i did it a different way. i looked at an example in the textbook, but still don't really understand what i did. for P, i calculated 0.993 atm for n, i calculated 0.040 mol CO2 for T, i calculated 299.5 K then, i calculated 0.040 mol CO2 x 44.01g/1 mol CO2 = 1.76 g ...
*April 11, 2012*

**chemistry ** CAN YOU LOOK AT MY ANSWER, PLEASE, DRBOB222? :)**

the answer i came up w/ is 1.76g/L. is this correct?
*April 11, 2012*

**chemistry**

if i'm using PV=nRT, and manipulate that formula to V=nRT/P to find the volume, do i use 44.01g as my molar mass of CO2 and convert that to moles to find 'n'? i'm really confused how to do this b/c it's not at STP.
*April 11, 2012*

**chemistry**

what is the density of carbon dioxide at 26.5 degrees C and 755 mm Hg?
*April 11, 2012*

**pysical science**

an inline roler skate company is testing to see how quickly their new brakes will allow the skater to come to a stop. a skater starting at 8m/s puts on his brakes to come to a stop. it takes the skater 4 seconds to stop. what is the deceleration of the skater?
*January 25, 2012*

**english**

A glove and ball are the requred equitment. correct?
*January 17, 2012*

**Maths**

Peter invests $12500 for 5 years at 12 percent per annum,compounded monthly foe the first two years, and 14 percent per annum compounded simiannually for the next three years. How much will Peter receive after five years?
*April 30, 2011*

**Math**

Mary B deposits $8500 into a savings account, compounded monthly at a nominal interest rate of 9 percent, as part of a savings plan that she would like to undertake in 5 years. 1) What is the effective interest rate per annum? 2) How much money would she have saved after 5 ...
*April 30, 2011*

**Geometry**

A 10 ft. ladder is leaning against a building and makes an angle of 65 degrees with the ground. How high above the ground is the top of the ladder?
*April 19, 2011*

**Anatomy and Physiology**

Describe the processes of transcription and translation and correctly identify the anticodon for the following DNA template strand-ACG TGG GCA TGA ACG TGG. Which amino acids do these anticodon represent?
*October 13, 2010*

**Medical Terminology**

Devise memory aids for any five terms relating to the musculoskeletal system?
*June 28, 2010*

**Statistics**

A driving machine was employed to hit a sample of 41 each of two different brands of golf balls using the same force each time. The research team measured the distance between the point of impact and where the ball eventually came to rest on the ground. Results are show below...
*June 21, 2010*

**Chemistry**

335.5kj
*May 19, 2010*

**5th grade**

fifteen divided by five is three. To complete the analogy, divide nine by three. (Your answer is three)
*February 15, 2010*

**Global History**

Think about all the machines that were able to run because of coal -- trains!
*February 15, 2010*

**Math for teaching. **

What is 17 minus 12?? That is what 'x' equals!
*February 15, 2010*

**Physics**

Hey guys - this problem is pretty tough for me...any help? Don't know what to do.... In seawater, a life preserver with a volume of 4.00×10^−2 m^3 will support a 76.0 kg person (average density 980 kg/m^3), with 20.0 % of the person's volume above water ...
*January 29, 2010*

**physics**

I believe he pressure on the surface is the controlled gauge pressure in the tank in relation to the outside.
*January 29, 2010*

**Math **

What does dq stand for and dt? sorry for all the questions
*December 4, 2009*

**Math **

Where do you get the original amount and the quantity from? I am confused since the problem doesnt have anymore numbers than 18
*December 4, 2009*

**Math **

Suppose a quantity is halvd every 18 years. use the approximate half-life formula to estimate its decay rate. is the half life equation y= 1/2^t1/2 2^1/2t= 1/y t 1/2= log2 (1/y) Where do I put 18 at?
*December 4, 2009*

**Math **

So would your doublexdoublexdoublexdouble=16 be 2 x 2 x 2 x 2= 16??? I am a liitle confused on why you used double?
*December 4, 2009*

**Math **

If the doubling time of a state's population is 42 years, how long does it take for the population to increase by a factor of 16?
*December 4, 2009*

**Math **

Is it bilateral symmetry
*December 4, 2009*

**Math **

When an object can be shifted, say to the left or right, and still remains the same; this is an example of what time of symmetry
*December 4, 2009*

**one more elgebra problem...**

which equation represents a line parallel to the line given by y-3x=6? A. y= -3x+4 B. y= 3x-2 C. y= 1/3x+6 D. y= -1/3x+4
*May 18, 2009*

**math**

rs+k perhaps?
*May 18, 2009*

**algebra**

the perimeter of the square is 204 ft. what is the value of x if 1 side of the square is 5x+6 ft
*May 18, 2009*

**quantitative comparison**

compare the two quantities and determine whether the first one is the greatest, the second is the greatest, the two are equal, or the relationship cannot be determined from the information given... 1st: the slope of the line that contains A(2,4) and B(-1,3) 2nd: the slope of ...
*May 18, 2009*

**Social studies**

the battles of lexington and concord, i believe
*May 18, 2009*

**Algebra**

What are the slope and the y-intercept of the graph of the equation 4x-2y=5?
*May 18, 2009*

**more algebra**

what is the x-intercept of the graph of 4x+3y=12?
*May 18, 2009*

**english**

nfs. sparknotes. com/romeojuliet/page_136.html
*May 18, 2009*

**Algebra - equation**

What equation represents a line parallel to the line given by y-3x=6?
*May 18, 2009*

**biology**

"A dendritic spine (or spine) is a small membranous protrusion from a neuron's dendrite that typically receives input from a single synapse of an axon. Dendritic spines serve as a storage site for synaptic strength and help transmit electrical signals to the neuron&#...
*May 18, 2009*

**social studies**

check wikipedia for an article about her, maybe you can read over it and gather some facts out of that. :) i cant pots the URL but just go to wikipedia and type in her name and a lot of information will show up for you
*May 18, 2009*

**Algebra I**

What is the range of f(x)=2x-3 when the domain is {3, 4, 5}?
*May 18, 2009*

**kitchen chemistry**

what is the effect of heat on fruit ex. making a fruit roll up what is the chemical reaction
*March 5, 2009*

**socal studies**

what are the magical figures placed in between layers of a mummys wrapping.
*November 30, 2008*

**Factoring**

What is the answer to: 8x^2y-4xy-4x
*October 22, 2008*

**Comparative Essay HELP!**

Hello all... I am in a bit of a pickle at the moment. I have my English (4U) ISP due on Tuesday - a 1000 word comparative essay on the novels "Angela's Ashes" and "The Woman Who Walked Into Doors" ....and I'm a little lost. What to compare? The ...
*May 18, 2008*

**English Comparative Essay Writing**

Hello all... I am in a bit of a pickle at the moment. I have my English (4U) ISP due on Tuesday - a 1000 word comparative essay on the novels "Angela's Ashes" and "The Woman Who Walked Into Doors" ....and I'm a little lost. What to compare? The ...
*May 13, 2008*

**chemistry**

packing: A-B-A holes : octahedral #atoms/1 unit cell : 2 coordination #: 8
*February 18, 2008*

**Wind energy**

How does wind energy get to you? Like I know you would have to have a mill in your yard but how does it get to the house?
*December 13, 2007*

**chemistry**

1.) Increase absorbance & decrease % transmittance all the other answer above are correct
*May 10, 2007*

**chem**

Yes.
*February 4, 2007*

**social studies**

dimainds
*November 16, 2006*

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