Monday
December 9, 2013

# Posts by dawn

Total # Posts: 806

math
Let A repersent Zog's age. Write a algebraic expression for each phrase. How would I write one if: 9 times the sum of Zog's age and 4 years?

Math
Evaluate for A=7 B=2 6ab would I do 6x7x2?

10th grade math
?... what's that supposed to be?~

10th grade math
Number of pages of a 5 page articile left to read if you read p pages.

10th grade math
Which expression repeersents the phrase'' twice the quotient of 50 and the sum of a number y and 8?''

computers
an introduction to programming and visual basic 2008 page 39 programming challenges rules form design and flowchart for #3 sales tax. how do i do this?

Statistics
63.4 65.0 64.4 63.3 54.8 64.5 60.8 49.1 51.0 Assume that these observations are an SRS from the late Cretaceous atmosphere. What is the mean percent of nitrogen in ancient air with a 90% confidence level? Hint: uses one-sample t confidence

algebra
This is actually part of a statistics problem I'm working but I forgot how to do this and if someone can refresh my memory, I might be able to solve these. The problem is with factorials. 20! / 5! (20-5)! I know I can reduce and cancel, but how and where? If I do 20! / 5! ...

Statistics
Many women take oral contraceptives to prevent pregnancy. Under ideal conditions, 1% will become pregnant within one year. In typcal use, 5% become pregnant. Choose 20 random women taking the pill. How many become pregnant in the next year? a. What is the probability that at l...

substitution method
x=8-4y,3x+5y=3

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