Wednesday
July 30, 2014

Posts by FredR


Total # Posts: 108

Math
Length/Width = = 10.75/18.5 = 1075/1850

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

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".

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

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

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

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

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

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