The graph shows the number of each kind of book in Hero's personal library. A book is chosen randomly. What is the probability t
hat the book chosen is a biography?
A)2/15
B)4/15
C)1/30
D)1/4
A)2/15
B)4/15
C)1/30
D)1/4
2 answers:
Answer: A is the right answer .Probability of the book chosen is a biography is .
Step-by-step explanation:
According to the given graph or pie chart
The number of biography books=4
Total books= Romance books+ Science fiction books+ Biography books+Adventure books =2+14+4+10=30
Let B be the event of choosing a biography book then
Probability of the book chosen is a biography P(B)=
Therefore, Probability of the book chosen is a biography is .
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Answer:
The of depression between the cliff and the boat is 48.74 degrees.
Step-by-step explanation:
We have,
Height of the cliff is 200 foot
Distance of boat from the cliff is 175 feet
It is required to find the angle of depression between the cliff and the boat.
Here, 200 foot is perpendicular distance and 175 is base.
Using trigonometry :
So, the of depression between the cliff and the boat is 48.74 degrees.