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What kind of jobs and how are polynomial functions used in the workplace? god knows just ask him =)

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Katir tries out for both basketball and baseball team . the probabilty she makes the basketball team is 85% ans the probabilty she makes both is 40%. whats the probabilty she wont make either team? p(basket)=.85 p(both)= p(basket)*p(base)=.4 p(base)= .4/.85 p(wont make either)=1-(p(base)+p(basket)-p(both) =1-(.47+.85-.4) =.08 So there is an 8% chance she wont make any team

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HELP PLEASE The area of a parallelogram is 128cm^2. The height is one half the base. Find the perimeter of the parallelogram A) 128cm B) 48cm C) not enough info answer A B or C and tell me how you did it i think it is C? THE ANSWER IS DEFINITELY C the area of a parallelogram is= b*h so let the height = x let base = 2x so area= 2x^2=128 therefore x^2 = 64 x=8 perimeter>2b+2h therefore it is greater than 48 if perimeter is 48, shape is a rectangle so not B for perimeter to be 128 cm, the side has to be 48 cm long which would screw up the base/height badly and thus screw up the area as well...