Sole the following problems by setting up a proportion, then solving by cross multiplying. if possible, set up the proportion as a single step proportion for the problem. a group of students voted for their favorite sport. one out of eight students preferred baseball. The rest of the students preferred soccer. if there were a total of 40 students voting , how many students preferred soccer?

35 prefer soccer

Step-by-step explanation:

7/8 of 40 is 35

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step-by-step explanation:

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.