Saturday
October 25, 2014

Posts by FredR


Total # Posts: 108

Math
Length/Width = = 10.75/18.5 = 1075/1850
April 6, 2008

algebra ll
A first order polynomial has just one root: -9x-15 = 0 or -9x = 15 or x = -15/9
April 6, 2008

translation please?
Low German is an archaic dialect of the german language spoken in northern Germany. The terrain there is relatively flat, hence the name "Low".
April 6, 2008

Albebra II
The mean of the given numbers is 16.8. SD=sqrt(1/N sum((x-mean)^2)) =sqrt(1/9*((21-16.8)^2+(13-16.8)^2... =7.3
April 6, 2008

Algebra II
ME = 2 sqrt(.56(1-.56)/400) = 2 sqrt(.56(.44)/400) = 2 sqrt(.2464/400) = 2 sqrt(0.000616) = 2 x .0248 = 0.0496 or 4.96 percent margin of sampling error
April 5, 2008

Physical Science
The period is the inverse of the frequency, so it would be reduced to half.
April 5, 2008

Geometry
The preimage is the original position before translation, or P(-1,5)
April 5, 2008

algebra
First off, the word equation implies both sides of the expression are equal. a > b implies a - b > 0 If c is < 0 then c(a - b) < 0 or ca - cb < 0 or ca < cb
April 5, 2008

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