Jenny has a 6-sided number cube. If Jenny rolls the number cube 180 times, how many times can Jenny predict she will roll a 1?

30 times

Step-by-step explanation:

Firstly, we need the probability of rolling a 1

That will be 1/6

So for 180 rolls, the equivalent number of times will be;

1/6 * 180 = 30

area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2

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step-by-step explanation: