Thursday
May 23, 2013

# Posts by Cathy

Total # Posts: 286

us history
What happened in the civil rights movement during the 1970s?

chemistry
what would be the concentration made by dilutin of 45.o ml of 4.2 M KOH to 250. ml

statistics
if a test has a mean of 75, with a standard deviation of 11, what % of students scored an A (90 or higher)?

math
filling a planter box with soil,each bag contains enough to fill 500cubic inches.if the base of the planter box is a 9 inch square & sides are 18 inches tall,how many bags of soil are needed?

calculus
how do I differentiate the volume equation to find how fast a box is filling with sand if I know the length and width?

physics
At what temperature will ni=10^14/cm^3 in silicon? And ni=10^16/cm^3?

childcare
7A 8D

computer sciece
The change in memory density with time can be described by B=19.97*10^10.1977(year 1960).If a straight line projection is mode using this equation, what will be the number of memory chips/bits in the year 2020?

differential equations
solve the differential equation by seperation of variables 5. y'=xy/2ln y

math
the loan amount \$750.00 @ 6% rate for 135 days. what would the interest be.

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