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3 years ago

Int a=10 int b=20 A=b The new values for a and b are

Computers and Technology

2 answers:

Vanyuwa [196]3 years ago

7 0

A will have a new value of 20 because b = 20.

loris [4]3 years ago

3 0

After a = b new values would be: a = 20, b = 20

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A testing lab wishes to test two experimental brans of outdoor pain long each wiil last befor fading . The testing lab makes six

Simora [160]

Answer:

The answer is " $\bold{Brand \ A \ (35, 350, 18.7) \ \ Brand \ B \ (35, 50, 7.07)}$ "

Explanation:

Calculating the mean for brand A:

$\to \bar{X_{A}}=\frac{10+60+50+30+40+20}{6} =\frac{210}{6}=35$

Calculating the Variance for brand A:

$\sigma_{A}^{2}=\frac{\left ( 10-35 \right )^{2}+\left ( 60-35 \right )^{2}+\left ( 50-35 \right )^{2}+\left ( 30-35 \right )^{2}+\left ( 40-35 \right )^{2}+\left ( 20-35 \right )^{2}}{5} \\\\$

$=\frac{\left ( -25 \right )^{2}+\left ( 25 \right )^{2}+\left ( 15\right )^{2}+\left ( -5 \right )^{2}+\left ( 5 \right )^{2}+\left ( 15 \right )^{2}}{5} \\\\ =\frac{625+ 625+225+25+25+225}{5} \\\\ =\frac{1750}{50}\\\\=350$

Calculating the Standard deviation:

$\sigma _{A}=\sqrt{\sigma _{A}^{2}}=18.7$

Calculating the Mean for brand B:

$\bar{X_{B}}=\frac{35+45+30+35+40+25}{6}=\frac{210}{6}=35$

Calculating the Variance for brand B:

$\sigma_{B} ^{2}=\frac{\left ( 35-35 \right )^{2}+\left ( 45-35 \right )^{2}+\left ( 30-35 \right )^{2}+\left ( 35-35 \right )^{2}+\left ( 40-35 \right )^{2}+\left ( 25-35 \right )^{2}}{5}$

$=\frac{\left ( 0 \right )^{2}+\left ( 10 \right )^{2}+\left ( -5 \right )^{2}+\left (0 \right )^{2}+\left ( 5 \right )^{2}+\left ( -10 \right )^{2}}{5}\\\\=\frac{0+100+25+0+25+100}{5}\\\\=\frac{100+25+25+100}{5}\\\\=\frac{250}{5}\\\\=50$

Calculating the Standard deviation:

$\sigma _{B}=\sqrt{\sigma _{B}^{2}}=7.07$

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3 years ago

Media has scientifically been linked to media messages, as in the cause and effect theory. True or False?

padilas [110]

Answer:

true

this ans is not 100% correct but it may help you

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3 years ago

Microsoft edge is a web browser that was designed as an add-in to internet explorer. true or false

arsen [322]

"add-in" is pretty ambigious but I would go with true for this one.

7 0

3 years ago

expeople1 [14]

I pretty sure its D muriatic acid

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3 years ago

What are examples of scanning devices?

eimsori [14]

Here the examples of scanning devices :

Drum Scanner.
Handheld Scanner.
Flatbed Scanner.
Optical Character Recognition.
Magnetic Ink Character Recognition.
Image Scanner.

<h3>What is meant by scanning ?</h3>

A text is scanned quickly in order to find a specific piece of information. In daily life, scanning is regularly used for tasks like looking up a word in a dictionary or finding a friend's name in your phone's contacts list.
Scanners may basically be divided into three categories. These consist of network scanning, port scanning, and vulnerability scanning.
There are three different types of scanners: portable scanners, flatbed scanners, and drum scanners. While flatbed scanners are commonly used in offices and classrooms, drum scanners are mainly used in the publishing industry to print high-quality pictures.
Three processes make up the basic scanning process: scan, register, and detail.

Learn more about scanning refer to :

brainly.com/question/25106178

#SPJ4

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1 year ago