Helpp I dont know math at all and my midterms are next week this is just a review
1 answer:
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Answer:
One
Step-by-step explanation:
Set each equations equal to each other
Find the discrimant.
This means there is one real solution. Since the discramnt equal 0.
Answer: There are 1800 unique names from both the lists.
Explanation:
Since we have given that
there are two lists :
In First list, number of names = 1200
In Second list, number of names = 900
According to question , we have also given that
there are 150 names that appear on both lists,
So,
Number of unique names in the first list is given by
Number of unique names in the second list is given by
Therefore, total number of unique names is given by
Hence, there are 1800 unique names from both the lists.