Answer:
33
Step-by-step explanation:
For 4 triangles area 4*(1/2)*4*3=24
base square area 3*3=9
all together 24+9= 33
Answer:
Step-by-step explanation:
Answer:
We are given the below probability distribution table:
x P(x)
100 0.180
200 0.051
300 0.227
400 0.113
500 0.090
600 0.099
700 0.165
800 0.075
Now to find the mean, we have to use the below formula:
Therefore, the mean is
Answer:
3/10
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Answer:
Step-by-step explanation:
<u>Solution 1:</u>
As the angles are marked, the figure forms a 30-60-90 right triangle with the height. Therefore the height will be . The area of this figure can be given as , therefore our answer is .
<u>Solution 2:</u>
The figure forms two triangles when cut by the shortest diagonal. The area of a triangle can be given by . Since there are 2 of these triangles, the area of the entire figure is .