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3 years ago

Find the missing side lengths. leave ur answers as radicals

Mathematics

2 answers:

Mrac [35]3 years ago

5 0

Answer:

x is 2 and y is 2✓3

Step-by-step explanation:

this is because of the 30 60 90 theorem

so 1 is n

and x has to be 2n so it is 2

and y is n√3 so it's 2√3

padilas [110]3 years ago

5 0

Answer:

x = 2 , y = √3

Step-by-step explanation:

In right angled Δ, the leg against of 30° angle equals half of length of hypotenuse ⇒ x = 2 and y = √(4 - 1) = √3

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stiks02 [169]

Answer:

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b) 0.0128

Step-by-step explanation:

We are given the following information in the question:

N(2750, 560).

Mean, μ = 2750

Standard Deviation, σ = 560

We are given that the distribution of distribution of birth weights is a bell shaped distribution that is a normal distribution.

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a) P (less than 2500 grams)

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$P( x < 2500) = P( z < \displaystyle\frac{2500 - 2750}{560}) = P(z < -0.4464)$

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