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Brut [27]
3 years ago
5

I Needdd helppp with this??

Mathematics
2 answers:
iren2701 [21]3 years ago
5 0

Answer:

option c. ±\sqrt{65}

Step-by-step explanation:

In the given right angled triangle we can see that :-

  • hypotenuse is 9
  • adjacent is 4
  • opposite is x

by Pythagoras theorem

hypotenuse² = adjacent ² + opposite ²

9² = 4² + x²

81 = 16 + x²

combining like terms

81 - 16 = x²

65 = x²

x = ±\sqrt{65}

arlik [135]3 years ago
3 0

Answer:

B I'm thinking, I have to answer any question so I might be wrong here, also eat some salad it's nasty I know

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The heights, in inches, of five people on a basketball team at listed below 65, 58, 64, 61, 67 explains the meaning of the meani
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Using it's concept, it is found that the mean absolute deviation of 2.8 means that the heights differ from the mean by an average of 2.8 inches.

<h3>What is the mean absolute deviation of a data-set?</h3>

  • The mean of a data-set is given by the sum of all observations divided by the number of observations.
  • The mean absolute deviation of a data-set is the sum of the absolute value of the difference between each observation and the mean, divided by the number of observations.
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In this problem, the mean is given by:

M = (65 + 58 + 64 + 61 + 67)/5 = 63.

Hence the mean absolute deviation is given by:

MAD = (|65-63| + |58-63| + |64-63| + |61-63| + |67-63|)/5 = 14/5 = 2.8.

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More can be learned about mean absolute deviation at brainly.com/question/3250070

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