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2 years ago

Which represents a side length of a square that has an area of 450 square inches?

Mathematics

2 answers:

Firdavs [7]2 years ago

5 0

Answer:

21.42 represents the side length of the given square.

Step-by-step explanation:

Area of the square is given to be 450 square inches

We need to find the side length of the square

Now, Area of the square is given by the formula :

Area of the square = (Side)²

⇒ 450 = (Side)²

⇒ Side length of the square = √450

⇒ Side of the square = 21.42 inches

Hence, 21.42 represents the side length of the given square.

geniusboy [140]2 years ago

4 0

Answer:

21.213 inches

Step-by-step explanation:

A square area is side times side. each side is same length

square root of 450 is approx. 21.213

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Answer:

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Step-by-step explanation:

68-95-99.7 rule

68% of all values lie within the 1 standard deviation from mean $(\mu-\sigma,\mu+\sigma)$

95% of all values lie within the 1 standard deviation from mean $(\mu-1\sigma,\mu+1\sigma)$

99.7% of all values lie within the 1 standard deviation from mean $(\mu-3\sigma,\mu+3\sigma)$

The distribution of the number of daily requests is bell-shaped and has a mean of 55 and a standard deviation of 4.

$\mu = 55\\\sigma = 4$

68% of all values lie within the 1 standard deviation from mean $(\mu-\sigma,\mu+\sigma)$ = $(55-4,55+4)$ = $(51,59)$

95% of all values lie within the 2 standard deviation from mean $(\mu-1\sigma,\mu+1\sigma)$ = $(55-2(4),55+2(4))$ = $(47,63)$

99.7% of all values lie within the 3 standard deviation from mean $(\mu-3\sigma,\mu+3\sigma)$ = $(55-3(4),55+3(4))$ = $(43,67)$

Refer the attached figure

P(43<x<55)=2.5%+13.5%+34%=50%

Hence The approximate percentage of light bulb replacement requests numbering between 43 and 55 is 50%

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2 years ago

Which represents a side length of a square that has an area of 450 square inches?​

Which represents a side length of a square that has an area of 450 square inches?