If x varies inversely as y and x=16 when y=5, find x when y=20.
1 answer:
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Answer:
x = 4
Step-by-step explanation:
The inverse variation means that when y goes up by a factor of 20/5 = 4, the value of x goes down by the same factor.
x = 16/4
x = 4
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Answer:
(13; 36)
Step-by-step explanation:
A 
B denotes to all common elements in both A and B
- Sample space=S={1,2,3,4,5,6,7,8,9,10}
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2 is common
Hence
A $\cap$ B={2}
