My DIFFICULT math homework!!! eek?

okay here is the problem (cchanging F to C):
































98.6 - 32


66.6 * 1/2


-4 - 32


-36 * 5/9





pre algebra:








How many whole slices of pizza should Declerrah eat so that she gets as close as possible to 2/5 of all the pizza?


more stuff:








If you got a 40% discount on a $150.00 pair of sport shoes and 20% of a $200 set of roller blades, what was the percent discount on the total purchase (assuming no taxes are involved)?








We have a circle with a radius of 3. How big is the circunferance.








π=4- 4 over3 + 4 over5- 4 over7(our teacher wants us to finish the rest of the meaning π in fractions)





π= a/r2 (is this true)


( i have more)

My DIFFICULT math homework!!! eek?
first 4 just use a calculator





second one how many slices are in the pizza





3.)28.6%


4.)18.8496


5.)wtf


6.)True





not that hard man
Reply:for number 5


pi = 4-4/3+4/5-4/7+4/9-4/11





General formula is


pi = sum(4(-1)^n/(2n+1)) with n goes from 0 to infinity.





I don%26#039;t know if this answer fits your requirements. :D



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