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kifflom [539]
3 years ago
10

Solve each system by elimination.

Mathematics
1 answer:
max2010maxim [7]3 years ago
8 0

Answer:

Step-by-step explanation:

-x-2y+4z=-14

x=-2y+4z+14

2x+2y+2z=-6

2x=-2y-2z-6

x= -y-z-3

-x-6z=-3

x=3-6z

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Answer:

How

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Find the value of x that makes m parallel n .
Assoli18 [71]

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they are together

Step-by-step explanation:

6 0
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Read 2 more answers
the pressure, P, of a gas varies inversely with its volume, V. pressure is measured in units of PA. Suppose that a particular am
miss Akunina [59]

The pressure is 39 Pa if the volume is expanded to 168L and the pressure, P, of a gas varies inversely with its volume, V.

<h3>What is a proportional relationship?</h3>

It is defined as the relationship between two variables when the first variable increases, the second variable also increases according to the constant factor.

We have:

The pressure, P, of a gas varies inversely with its volume, V.

P ∝ 1/V

P = k/V

k is the constant.

If P = 126 Pa and V = 52 L

126 = k/52

k = 6552

P = 6552/V

Plug V = 168 L

P = 6552/168 = 39 Pa

Thus, the pressure is 39 Pa if the volume is expanded to 168L and the pressure, P, of a gas varies inversely with its volume, V.

Learn more about the proportional here:

brainly.com/question/14263719

#SPJ1

3 0
2 years ago
Remove parentheses and simplify 7a+6b-4 (3a-3b)
Varvara68 [4.7K]
Normally, you would do whatever is inside of the parenthesees first then do the rest but we cant get any further so we remove the parenthasees by distrubtion

7a+6b-4(3a-3b)
-4(3a-3b)
a(b+c)=(ab)+(ac)
-4(3a-3b)=-12a-(-12b)

7a+6b-12a+12b
7a-12a+6b+12b
-5a+18b
that's the asnwer
7 0
3 years ago
A successful basketball player has a height of 6 feet 5 inches, or 196 cm. Based on statistics from a data set, his height conve
SVETLANKA909090 [29]

Answer:

The player's height is 3.02 standard deviations above the mean.

Step-by-step explanation:

Consider a random variable <em>X</em> following a Normal distribution with parameter <em>μ</em> and <em>σ</em>.

The procedure of standardization transforms individual scores to standard scores for which we know the percentiles (if the data are normally distributed).  

Standardization does this by transforming individual scores from different normal distributions to a common normal distribution with a known mean, standard deviation, and percentiles.

A standardized score is the number of standard deviations an observation or data point is above or below the mean.

The standard score of the random variable <em>X</em> is:

Z=\frac{X-\mu}{\sigma}

These standard scores are also known as <em>z</em>-scores and they follow a Standard normal distribution, i.e. <em>N</em> (0, 1).

It is provided that the height of a successful basketball player is 196 cm.

The standard value of this height is, <em>z</em> = 3.02.

The <em>z</em>-score of 3.02 implies that the player's height is 3.02 standard deviations above the mean.

3 0
3 years ago
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