A computer store compiled data about the accessories that 500 purchasers of new tablets bought at the same time they bought the tablet. Here are the results: 411 bought cases 82 bought an extended warranty 100 bought a dock 57 bought both a dock and a warranty 65 both a case and a warranty 77 bought a case and a dock 48 bought all three accessories 58 bought none of the accessories Find the probability that a randomly selected customer bought: A. Exactly one of the accessories. B. Exactly two of the accessories. C. At least one of the accessories. D. At least two of the accessories. E. At most one of the accessories. F. At most two of the accessories. G. A case or a warranty, but not both, and did not buy a dock. H. A case but neither of the other two accessories. I. A warranty and a dock but not a case.

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.

it would open into a square depending on the type of envelope i’m not sure about the second part

48 / 6 = x

in this case, x will equal the amount of money in each card!

x therefore will be 8.

trent had $8 in each birthday card.

7/2

(decimal: 3.5)

welcome ; )

step-by-step explanation: