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ollegr [7]
3 years ago
14

What is the missing number in the list of perfect squares 1,4,9,16,25,36,49,_,81,100,121,144

Mathematics
2 answers:
Masja [62]3 years ago
5 0
Answer:
64

Explanation:
You have to multiply by the dam number every time you go up. Example, 3•3=9 and then 4•4=16.
So 8•8= 64
Yuri [45]3 years ago
3 0

Answer:

64

Step-by-step explanation:

49= 7*7

81=9*9

8*8=64

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Suppose 10000 people are given a medical test for a disease. About1% of all people have this condition. The test results have a
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Answer:

The percent of the people who tested positive actually have the disease is 38.64%.

Step-by-step explanation:

Denote the events as follows:

<em>X</em> = a person has the disease

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<em>N</em> = the test result is negative

Given:

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P(P|X)=1-P(P|X^{c})=1-0.15=0.85

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3 years ago
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