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2 years ago

Rama jumps 2m 30cm long and swathi jumps 2m 60cm in a competition what is the total distance they jumped together

Mathematics

1 answer:

Furkat [3]2 years ago

8 0

Answer:

Step-by-step explanation:

2 m 30 cm

2 m 60 cm

_________

4m 90cm

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Answer:

Step-by-step explanation:

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3 years ago

Rename 600,000= ten thousands

lyudmila [28]

For this case we have the following number:

600,000

We can rewrite this number as the product of two numbers.

We have then, mathematically:

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Answer:

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3 years ago

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Find the standard deviation of 21, 31, 26, 24, 28, 26

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Given the dataset

$x = \{21,\ 31,\ 26,\ 24,\ 28,\ 26\}$

We start by computing the average:

$\overline{x} = \dfrac{21+31+26+24+28+26}{6}=\dfrac{156}{6}=26$

We compute the difference bewteen each element and the average:

$x-\overline{x} = \{-6,\ 5,\ 0,\ -2,\ 2,\ 0\}$

We square those differences:

$(x-\overline{x})^2 = \{36,\ 25,\ 0,\ 4,\ 4,\ 0\}$

And take the average of those squared differences: we sum them

$\displaystyle \sum_{i=1}^n (x-\overline{x})^2=36+25+4+4+0+0=69$

And we divide by the number of elements:

$\displaystyle \sigma^2=\dfrac{\sum_{i=1}^n (x-\overline{x})^2}{n} = \dfrac{69}{6} = 11.5$

Finally, we take the square root of this quantity and we have the standard deviation:

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Rama jumps 2m 30cm long and swathi jumps 2m 60cm in a competition what is the total distance they jumped together ​

Rama jumps 2m 30cm long and swathi jumps 2m 60cm in a competition what is the total distance they jumped together