Tuesday
May 21, 2013

# Posts by brittany

Total # Posts: 781

statistics
Whats the difference between creating a z score from a single score and creating one fron a sample mean?

English 4
the choices are: A-the birds were flying over the sea in a straight formation B-the seas were rough C-there was a faint outline of the old man in the crescent of the new moon D-all of the above

algebra
How would I show my work for: 3-2(3)+2(4)+1

Intermediate Algebra (college)
Use the properties of logarithms to condense the expression 1/3[ln(x - 6)- 4 ln y - 2 ln z]

Precalc
if sine theta=.3416 and theta is in quadrant I what is cos theta/2? Using double angle identities.

statistics
I guess 100 is the highest the mean is 30.9 and the standard deviation 2.08 it just says children below the 30th percentile

statistics
Children below the 30th percent are in need of special assistance assistance what raw score makes the cut off score for these children?

Physics
Two parallel wires conduct equal currents in the same direction. (a) At a point in the plane of the wires midway between them, do the individual fields of the wires cancel or reinforce each other? (b) At a point far away from the wires, do their individual fields tend to cance...

AP Chemistry
A voltaic cell is constructed that uses the following half-cell reactions. Cu+(aq) + e- Cu(s) I2(s) + 2 e- 2 I -(aq) The cell is operated at 298 K with [Cu+ ] = 2.3 M and [I - ] = 3.3 M. (a) Determine E for the cell at these concentrations. (b) If [Cu+ ] were equal to 1.0 M, a...

AP Chemistry
A voltaic cell is constructed that uses the following half-cell reactions. Cu+(aq) + e- Cu(s) I2(s) + 2 e- 2 I -(aq) The cell is operated at 298 K with [Cu+ ] = 2.3 M and [I - ] = 3.3 M. (a) Determine E for the cell at these concentrations. (b) If [Cu+ ] were equal to 1.0 M, a...

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