2. you plan to replace the carpeting in the room shown. what is the
area of the room?
a 144 ft?
ob 198 ft?
9 ft
3 ft
c 171ft?
18 ft —
6 ft
od 216 ft2
save
save and cle
1: 05 pm
a
o me
d
11b/2010

Step-by-step explanation:        

see the attached figure to better understand the problem

we know that the area of the room is equal to the area of a rectangle plus the area of a trapezoid

step 1

Find out the area of the rectangle

step 2

Find out the area of the trapezoid

step 3

Sum the areas

substitute the values

amount of oatypop that contains the prize = 40%

amount   of oatypop which doesn't contain the prize = (100-40)=60%

probability that hannah will win a prize

    = s +f s +f f s+ff   f s+ff f f s+ infinity.where f= failure,s= success

=   or 60%

probability that hannah only has to buy 3 or less boxes before getting a prize= (s) and ( f s) and (ff s) and (f f f s)

        = = 87.04 %  

step-by-step explanation:

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