Tom hanks and a man named wilson are stranded on a tropical island. in one hour tom can cut down 5 coconuts or catch 11 fish. in one hour wilson can cut down 15 coconuts or catch 6 fish. a) who has the comparative advantage at producing coconuts? b) who has the comparative advantage at producing fish? c) what is tom's opportunity cost of producing a coconut? d) if tom and wilson specialize and trade with each other, what is the range of acceptable terms of exchange of coconuts for fish?

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solution:

the given function is ,

      =

the three roots of this quadratic function is , 0 ,8 and 10.all the roots are real and rational.

if a quadratic equation is of the form ,

sum of the roots = a + b +c= 0+8+10=18=  

product of roots taken two at a time = a b + b c+ c a = 0+80+0=80 =  

product of roots = a b c = 0=  

there are 11 doors in a hall starting from 0 to 11.the entry in the hall is permitted through gate number 0 and exit is allowed through only gate number 8 and 10.so, three roots(0,8,10) of quadratic function is given by entry and exit route of this hall.

the answer is 21%.

can someone me: the midsegment through the legs of an isosceles triangle is 4 in. find the sides of the triangle if its perimeter is 20 in. ,   and point g is the centroid of the right △abc with hypotenuse ab=18 in. find cg.