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rjkz [21]
3 years ago
6

Please help it's due in 15 minutes. Graph the liner equation. x + 4 =0​

Mathematics
2 answers:
Tomtit [17]3 years ago
5 0

Answer:

-4

Step-by-step explanation:

-4+4=0

Zarrin [17]3 years ago
4 0

Answer:

It would be a Verticle line going through the point -4

Step-by-step explanation:

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Whoevr answers this question correctly gets brainly<br><br>and show your work please
blsea [12.9K]

Answer:

1/4

Step-by-step explanation:

The chance of it landing heads up once would be 1/2

The chance of it landing heads up twice would be 1/4

The chance of it landing heads up three times would be 1/8

The chance of it landing heads up four times would be 1/16

See the pattern?

Pattern:  <em><u>Divide the denominator by 2.</u></em>

<h2><em>Please give brainliest!!! :) </em></h2>

3 0
2 years ago
A sample was taken of the salaries of four employees from a large company. the following are their salaries, in thousands of dol
Free_Kalibri [48]

For given sample of salaries of four employees, the variance of their salaries is: 26 thousands of dollars

The formula for the variance is,

S^2=\frac{\sum (x_i - \bar{x})^2}{n-1}

where,

S^2 = sample variance

x_i = the value of the one observation

\bar{x} = the mean value of all observations

n = the number of observations

For given question,

n = 4

First we find the mean of their salaries.

(33 + 31 + 24 + 36 ) / 4 = 31

So, \bar{x}=31

Using the formula for variance ,

S^2=\frac{(33-31)^2}{4-1}+\frac{(31-31)^2}{4-1}+\frac{(24-31)^2}{4-1}+\frac{(36-31)^2}{4-1}\\\\ S^2=\frac{4}{3}  + \frac{0}{3} + \frac{49}{3} + \frac{25}{3} \\\\S^2= \frac{4+49+25}{3}\\\\S^2=\frac{78}{3}  \\\\S^2=26

Therefore, for given sample of salaries of four employees, the variance of their salaries is: 26 thousands of dollars

Learn more about the variance here:

brainly.com/question/13673183

#SPJ4

7 0
1 year ago
the water level in a swimming pool increased from 4.5 feet to 6 feet what is the percent increase in the water level rounded to
yuradex [85]
The answer would be twenty five percent because four and one half is equal to seventy-five percent and one hundred minus seventy-five would be twenty-five.

8 0
3 years ago
Estimate the quotient for 469.4÷62​
Alex Ar [27]

Answer:

469.4/62=7.57

Step-by-step explanation:

its the correct answer

8 0
3 years ago
Read 2 more answers
Rectangle A is 10 times as long as rectangle B.
Vitek1552 [10]

Answer:

Option B and D

Step-by-step explanation:

Multiply 80 by 1/10

Divide 80 by 10

8 0
2 years ago
Read 2 more answers
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