In a class of students, the following data table summarizes how many students play an instrument or squirt. What is the probabil
ity that a student who plays this for also plays an instrument?
1 answer:
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Answer:
Step-by-step explanation:
The ratio of pencils to erasers is
Convert the ratio to a fraction.
The fraction is now pencils to erasers.
The fraction of the number of erasers to pencils is:
The volume of a pyramid is given by:
Where:
• Ab is the area of the base,
,• h is the height.
In this case, we have:
• a = 3 units,
,• b = 7 units,
,• c = 9 units,
,• Ab = b * c,
,• h = a = 3 units.
Replacing the data in the formula above, we get:
Answer: 63 units³