Wednesday
August 27, 2014

Posts by Laur


Total # Posts: 13

math
If jeff bought 2 basketballs and 3 baseballs for $10 and herman bought 3 basketballs and 4 baseballs for $15, how much is a basketball. Show all work.
June 12, 2013

Chemistry
How do I solved for liters if nothing is given in the question?
May 11, 2011

Algebra
Two angles of a triangle measure 55 degrees and 47 degrees. What is the number of degrees in the measure of the supplement of the remaining angle of the triangle?
January 26, 2011

Algebra
The purity of gold is measured in karats. Twenty-four karat gold is pure gold and k karat gold is k/24 gold by mass. One piece of 16-karat gold jewelry has a mass of 30 grams and another piece of 10-karat gold jewelry has a mass of 40 grams. Find the number of grams in the ...
January 26, 2011

Math/Statistic
If I'm doing a pearson's and need to know the percentage of predicitability... all I have to do is work out the pearon's, right?
December 8, 2010

statistics
A population of N=8 scores has a mean of µ = 20. If one score is changed from X=14 to X=50, what will be the value for the new mean?
September 2, 2010

statistics
A population of N=8 scores has a mean of µ = 20. If one score is changed from X=14 to X=50, what will be the value for the new mean?
September 2, 2010

calc
You've dropped a lucky penny into the middle of a hemispherical water basin of radius 3m. There is a light on the upper edge of the basin. The penny falls vertically along the axis of symmetry of the basin, and when it is 1m from the bottom of the basin it is falling at 2m...
July 7, 2010

science
N2 + 3H2 --> 2NH3 how many grams of ammonia are made if you have 15.00 g of both N2 and H2 present?
January 10, 2010

Chem, limiting reactants
N2 + 3H2 --> 2NH3 how many grams of ammonia are made if you have 15.00 g of both N2 and H2 present?
January 10, 2010

math
the o.j simpson case is an example of which level of the criminal justice "wedding cake"
September 10, 2009

Chemistry
This should be easy... What would 61.98 be to three sig figs?? 62.0 or 61.9??
October 22, 2008

physics
a 400 g rubber ball is dropped a vertical distance of 12 m onto the pavement. it is in contact with the pavement for 0.01 s and rebounds to a height of 10 m. what is the total change in momentum? what average force is exerted by the pavement on the ball? this is what i have so...
June 26, 2008

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