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3 years ago

State of the number 49/9 (square root) is a rational or irrational

Mathematics

1 answer:

lina2011 [118]3 years ago

5 0

Hey there!!

49/9 = 7
is a rational number as it has a definite answer 7.

Hope it helps you.

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Suppose 2' is a normally distributed random variable with ft = 10.3 and 0 = 3.8. For the following probability,draw an appropria

TiliK225 [7]

GIVEN

The following values are given:

$\begin{gathered} \mu=10.3 \\ \sigma=3.8 \end{gathered}$

SOLUTION

The z-score for the x values 9 and 14 can be calculated using the formula:

$z=\frac{x-\mu}{\sigma}$

For x = 9:

$\begin{gathered} z=\frac{9-10.3}{3.8} \\ z=-0.34 \end{gathered}$

For x = 14:

$\begin{gathered} z=\frac{14-10.3}{3.8} \\ z=0.97 \end{gathered}$

The probability can be calculated as follows:

$P(9\le x\le14)=Pr(-0.34The region that represents the solution is shown below:Therefore, the probability is given to be:[tex]P(9\le x\le14)=0.4671$

The probability is 0.4671.

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1 year ago

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serious [3.7K]

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3 years ago

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V125BC [204]

The work has one step: divide the expression by 3.
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3 years ago

I need x+y=5 and y=2x-4solved algebraically

schepotkina [342]

Answer:

x = 3; y = 2

Step-by-step explanation:

x + y = 5

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