Does anyone know these?
1 answer:
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Answer:
11/40 + 1/4 + 1/20
Step-by-step explanation:
Draw a Venn diagram: (as shown)
Consumer Ed. : 22-4=18
French : 20-4=16
Neither : 80-18-16-4=42
Using probability notation where P(A) means probability of event A occurring.
P(Consumer Ed.) = 22/80
P(French) = 20/80
P(Both) = 4/80
<em>'or ' </em>in the question means you add.
=> 22/80 + 20/80 + 4/80
=> 11/40 + 1/4 + 1/20
The new length side of the perimeter, we'll call p. The original length, we'll call o. P's equation looks like this:
Since 5 is the length of one side, subtract 2 from 5 to get 3. The equation looks like this:
or simply
Since 5 is the length of one side, subtract 2 from 5 to get 3. The equation looks like this:
or simply