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3 years ago

73210 the digit 3 stands

Mathematics

2 answers:

Nimfa-mama [501]3 years ago

5 0

The digit stands for 3,000.

Minchanka [31]3 years ago

3 0

To digit 3 stands for 3000

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Convert 2/7 to its decimal form and round to the nearest thousandth

Maru [420]

Answer:

0.286

Step-by-step explanation:

divide 2 by 7

you get 0.285714

then round to the nearest thousandth

0.286

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3 years ago

Simplify. |-18-16|-|-8+(-21)| show work.

Brums [2.3K]

If you would like to simplify |-18-16| - |-8+(-21)|, you can calculate this using the following steps:

|-18-16| - |-8+(-21)| = |-34| - |-29| = 34 - 29 = 5

The correct result would be 5.

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Times for a surgical procedure are normally distributed. There are two methods. Method A has a mean of 33 minutes and a standard

lilavasa [31]

Answer:

Method A.

Step-by-step explanation:

For solving this question we need to find out the z-scores for both methods,

Since, the z-score formula is,

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

Where, $\mu$ is mean,

$\sigma$ is standard deviation,

Given,

For method A,

$\mu = 33$

$\sigma=8$

Thus, the z score for 34 is,

$z_1=\frac{34-33}{8}=0.125$

While, for method B,

$\mu = 37$

$\sigma = 4$

Thus, the z score for 34 is,

$z_2=\frac{34-37}{4}=-0.75$ ,

Since, $z_1 > z_2$

Hence, method A is preferred if the procedure must be completed within 34 minutes.

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4 years ago

Find g(x), where g(x) is the reflection across the x-axis of f(x) = x?.

nignag [31]

Answer:

$g(x) = -x$

Step-by-step explanation:

The reflection of a function $f(x)$ along the $x - axis$ is given by $g(x) = -f(x)$ .

Here the given function is $f(x) = x$ . Therefore the reflection would be $g(x) = -x$ .

To find reflection draw the graph of it and think about how the graph of its mirror image would be. You would arrive at the reflection function.

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3 years ago