Thursday
November 27, 2014

Posts by Randi


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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