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3 years ago

13

New York City has 8.38.38, point, 3 million people and an area of 1200 km. Tokyo has 13.2 million people and an area of 2200km W

hich city has a greater population density?

1 answer:

MrMuchimi3 years ago

5 0

Sdhbcaabb scvbv 143

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A right triangle with side legs of length 13 and 12 what is the value of x enter your answer in the box

Y_Kistochka [10]

Step-by-step explanation:

$x = \sqrt{ {12}^{2} + {13}^{2} } \\ = \sqrt{ 144 + 169 } \\ = \sqrt{313} \\ = 17.69 \\$

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2 years ago

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Find the standard deviation of the data set below. Round to the nearest tenth,<br> 6, 5, 2, 5,8

ASHA 777 [7]

Answer:

The standard deviation = 1.9

Step-by-step explanation:

standard deviation, ρ = sqrt ( $\frac{sum(x_{i} - u)^{2} }{N}$ )

Where u is the mean of the data, $x_{i}$ each given value, and N is the number of data given.

Mean, u = $\frac{6+5+2+5+8}{5}$

= 5.2

So that;

$(6-5.2)^{2}$ = $(0.8)^{2}$ = 0.64

$(5-5.2)^{2}$ = $(-0.2)^{2}$ = 0.04

$(2-5.2)^{2}$ = $(-3.2)^{2}$ = 10.24

$(5-5.2)^{2}$ = $(-0.2)^{2}$ = 0.04

$(8-5.2)^{2}$ = $(2.8)^{2}$ = 7.84

Sum = 18.8

So that;

$\sqrt{\frac{18.8}{5} }$ = $\sqrt{3.76}$

= 1.9391

= 1.9

The standard deviation of the given data is 1.9

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2 years ago