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madam [21]
2 years ago
7

Terri gets most of her exercise by walking briskly. Last year she walked an average of 4.2 miles per day with a standard deviati

on of 1.2 miles per day. April swims for exercise last year she swam for a mean of 40 minutes per day with a standard deviation of 8 minutes per day. For the new year, both girls have resolved to exercise more. In January Terri walked an average of 6 miles per day while April swam for an average of one hour per day. Which girl is off to a better start relation to their results from the previous year?
Mathematics
1 answer:
Alinara [238K]2 years ago
3 0

Terri walked in her own 93rd percentile, while April swam in her own 99th percentile. April is off to a slightly better start.

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A palindrome is a string whose reversal is identical to the string. How many bit strings of length n are palindromes?
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Answer:

The number of  palindromes is  

      2^{\frac{n}{2} } when n is even and

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Step-by-step explanation:

From the question we are told that

    The  length of the string is  n

Generally palindrome is evaluated by considering the first part of a string

  When the the length of the string is an even number then

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Hence the number of  bit strings of length n that are  palindromes is evaluated as

       p(n_{even }) =  2^{\frac{n}{2} }

But When the the length of the string is an odd number then

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Hence the number of  bit strings of length n that are  palindromes is evaluated as

       p(n_{odd }) =2^{\frac{n -1}{2} +1 } = 2^{\frac{n +1}{2}  }

Generally each bit could be either 0 or  1

Hence the number of  palindromes is  

      2^{\frac{n}{2} } when n is even and

      2^{\frac{n +1}{2}  }  when n is odd

           

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3 years ago
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Answer:

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Step-by-step explanation:

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1 year ago
Distributibe property 6×4.4
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6(4.4) = 6 x 4.4 = 26.4

The one with the parenthesis would be the distributive property. I'm not 100% sure, though. Hope this helps.

      

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