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Usimov [2.4K]
2 years ago
11

ATTENTION

Mathematics
2 answers:
nevsk [136]2 years ago
6 0

Answer:

12(2y^2)^1/2

Step-by-step explanation:

you could just do trial and error if your calculator can do cube root

stich3 [128]2 years ago
6 0

Answer:

option \: b. \: is \: correct.

Step-by-step explanation:

32 \sqrt[3]{18y}  \div 8 \sqrt[3]{3y}  \to this \: is \: same \: as : \\  \frac{32 \sqrt[3]{18y}}{8 \sqrt[3]{3y} }  =  \frac{4(18y)^{ \frac{1}{3} } }{(3y)^{ \frac{1}{3} } }  \to \\ 4(6)^{ \frac{1}{3} }  =  \boxed{4 \sqrt[3]{6} }

♨Rage♨

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Wright et al. [A-2] used the 1999-2000 National Health and Nutrition Examination Survey(NHANES) to estimate dietary intake of 10
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Complete question :

Wright et al. [A-2] used the 1999-2000 National Health and Nutrition Examination Survey NHANES) to estimate dietary intake of 10 key nutrients. One of those nutrients was calcium in all adults 60 years or older a mean daily calcium intake of 721 mg with a standard deviation of 454. Usin these values for the mean and standard deviation for the U.S. population, find the probability that a randonm sample of size 50 will have a mean: (mg). They found a) Greater than 800 mg b) Less than 700 mg. c) Between 700 and 850 mg.

Answer:

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Step-by-step explanation:

μ = 721 ; σ = 454 ; n = 50

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Zscore = (x - μ) / σ/sqrt(n)

P(x > 800) = (800 - 721) ÷ 454/sqrt(50)

P(x > 800) = 79 / 64.205295

P(x > 800) = 1.23

P(Z > 1.23) = 0.10935

2.)

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P(x < 700) = (700 - 721) ÷ 454/sqrt(50)

P(x < 700) = - 21/ 64.205295

P(x < 700) = - 0.327

P(Z < - 0.327) = 0.3718

Between 700 and 850

P(x < 850) = (850 - 721) ÷ 454/sqrt(50)

P(x < 850) = 129/ 64.205295

P(x < 700) = 2.01

P(Z < 2.01) = 0.9778

P(x < 850) - P(x < 700) =

P(Z < 2.01) - P(Z < - 0.327)

0.9778 - 0.3718

= 0.606

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Answer:

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So, Player 2's position is Player 1's position reflected across the y-axis; only the signs of the x-coordinates of Player 1 and Player 2 are different.

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