Wednesday
December 11, 2013

# Posts by Shay

Total # Posts: 350

algebra
plz help with this one too and thats it thank you to who ever in advance

algebra
Short answer. find the following product.(x+2)^2

algebra
plz. help

algebra
Short answer. find the following product. -7z(-8z^3+3z^2+8)

algebra
find the following product: 5x^2y(-4x^5y^4)

Probability
HCC offers 21 Humanities courses. If all students must take 2 of the courses, how many different ways can a student select their Humanities classes? ***my answer is 21*10= 210***

math
Dirk Nowitzki of the Dallas Mavericks has a 87.7% career free throw record. Assuming that free throws represent independent events, find the probability of Nowitzki a. Getting 3 free shots in a row b. Missing exactly one of 3 free shots

math
A raffle has a \$500 first prize, two \$100 second prizes and five \$25 third prizes. If 500 tickets are sold for \$5 each find the expected value of buying a single ticket.

Math
A restaurant offers a \$20 dinner deal. Dinners share one of 4 appetizers, get 2 of 6 entrees and share one of 3 desserts. How many dinners can be selected? (To make it easier, let’s assume they don’t pick 2 of the same meal)

Math
How many passwords can be made using 2 letters and 4 digits (this time the letters don’t have to come first) DDDDLL = 6760000 (w repition) 3276000 (w/o repition) **am i working this correctly**

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