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October 20, 2014

Posts by joshua


Total # Posts: 519

Physics 221
An object starts from rest at the origin and moves along the x axis with a constant acceleration of 4m/s^2. Its average velocity as it goes from x=2m to x=8m is: A. 1m/s B. 2m/s C. 3m/s D. 5m/s E. 6m/s An object is released from rest and falls a distance H during the first ...
August 26, 2007

Algebra
How do you calculate the area of a rectangle. area of a rectangle is length x width.
August 19, 2007

Math
On a grid with points R(-2,-6)& S(3,4), what is the slope of line RS? I don't know how to find the slope. Thank you. The formula for a straight line is y = mx + b m is the slope and b is the y intercept. One way is to plug in the two sets of points listed in the problem ...
June 26, 2007

Computer Science
Describe Operating systems theory and configuration at the Unix kernel/Windows registry level Describe standard operating system services (RPC, NetBIOS, etc) Describe File storage, management, and security shemes Describe command line administration of UNIX/Windows Describe ...
June 19, 2007

Ancient Civilization
What is a mixture of sand, lime and water and used as lubricant to move stones in ancient egyptian civilization? Slurry is a nice word.
May 22, 2007

ancient civilization
what is a mummy shaped amulet that held farm tools.....it starts with the letter S? Thank you for using the Jiskha Homework Help Forum. It's interesting to note that this was a crossword puzzle word! Here's the answer: These statuettes would be placed in a tomb along ...
May 22, 2007

Ancient civilization
What is a translucent stone used in floor slabs in ancient egyptian civilization? If you'll go to http://www.google.com and enter translucent stone egyptian, you'll find the answer. =) http://touregypt.net/magazine/mag06012001/magf5.htm
May 22, 2007

5th Grade Math
I need help on how to use an equation to graph? Here is an example from the text book. y=x-4 example shows x= -2 -1 1 2 y= -6 -5 -3 -2 I want know how did they show this relationship.
April 23, 2007

math
ok, but what happened to the letters? don't they remain part of the problem? also, how does 15k/20k reduce to 4/5? thanks for your help. joshua 15k/20k should reduce to 3/4 because you can take a 5 out of 15 and be left with 3 and take 5 out of 20 and be left with 4. The ...
March 4, 2007

where did bob go?
can anyone simplify and multiply the rational expressions 10m/11p x 44p/20k x 15k/8m? and then explain it to me? have patience.
March 4, 2007

math
10m/11p.44p/20k.15k/8m we are multiplying and dividing rational expressions. can ne1 help? I have no idea what you need. Your first line makes no sense. i know, it doesn't make any sense to me either...it's fractions 10m/11p times 44p/20k times 15k/8m. we have to ...
March 4, 2007

Religion
In the Christian religion,why were ashes originally sprinkled on the top of people's heads on Ash Wednesday instead of on the forehead? This site gives the history of the use of ashes on Ash Wednesday. http://www.wf-f.org/AshWed.html#anchor2360581 http://www....
February 24, 2007

chemistry
which atom has a higher potential energy? neon or flourine
November 19, 2006

calculus
Constant annual percentage growth The function gives the value of a home in dollars in the year 2000 + t. Find the constant annual percentage change in the value of the home. Give appropriate units with your answer. Again, I'm not sure what function is being referred to ...
September 5, 2006

calculus
writing an exponential equation The function gives the value of a home in dollars in the year 1980 + t. Write an equation that can be used to determine the year in which the value of the home reached $100,000? Use ^ to denote an exponent. Do not solve the equation and do not ...
September 5, 2006

calculus
Evaluating an exponential function The function gives the value of a home in dollars in the year 1980 + t. What was the value of the home in 1988? Round your answer to the nearest whole dollar amount and give units. You would evaluate for t=8. The units should be dollars. Your...
September 5, 2006

calculus
Consider the exponential function . Which of the following best describes the the graph of g? a. Concave up and increasing b. Concave up and decreasing c. Concave down and increasing d. Concave down and decreasing The rules are +constant, concave up, - constant concave down. ...
September 5, 2006

Calculus
Determine the y-intercept of the exponential function y=6.05(0.83)x. Write your answer as an ordered pair enclosed in parentheses. What is y when x=0? The ordered pair looks like (x,6.05(0.83)x). Evaluate this for x=0. BTW, where is the exponential sign ^ ? Do you mean 6.05(....
September 5, 2006

government
what does nra meen
August 8, 2006

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