1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
natka813 [3]
3 years ago
7

ah i only need to know if its AND or OR! i already have the graphing done, if you could, please explain how you got AND/OR! than

ks!

Mathematics
1 answer:
GuDViN [60]3 years ago
3 0

Answer:

  AND

Step-by-step explanation:

<em>As a rule, a compound inequality such as this is an AND inequality</em>. That is confirmed by the fact that ...

  (a) the comparison symbols both point the same way, and

  (b) the way they point is correct for the values on either end:

     -2 < 3

__

If we were to reverse the comparisons so they were ...

  -2 ≥ x > 3

we know right away that -2 > 3 is FALSE, so there will be no single value of x that will satisfy both inequalities. That is, if we interpret this as an AND inequality, its solution is the empty set.

On the other hand, if we interpret this as an OR inequality, then the solution set will be the union ...

  (-2 ≥ x) ∪ (x > 3)

Because -2 > 3 is false, this form of the inequality (-2 ≥ x > 3) is <em>not one you will usually see</em>.*

__

As a rule, inequalities that have disjoint solution sets will not be written in this way. They will be written as separate inequalities, clearly identified as OR.

_____

* I like to use this form because it is compact. When I use it, I do so with the understanding <em>it is technically incorrect</em>, and that the solution will be the union of the two solution sets. Not everyone who sees this "work" will understand this interpretation.

For example, |x| > 1 can be resolved to -1 > x > 1. This is technically incorrect, but can be seen as equivalent to two inequalities whose logic is OR. A technically correct resolution would identify this as equivalent to -x > 1 OR x > 1.

You might be interested in
Simplify the expression below:<br> 12x - 13 - x -9 + 10x
sdas [7]

Answer:

21x-22

Step-by-step explanation:

Try using m a t h w a y if you need help with any other questions

5 0
3 years ago
A psychologist treats 16 patients and records the number of sessions required to complete a behavioral therapy treatment for eac
RSB [31]

Hence, the standard deviation for these data is 7.1 sessions

In statistics, the standard deviation is a measure of the volatility or variance of a set of values. [1] A low standard deviation indicates that the values ​​tend to be close to the mean of the set (also known as the mean), and a high standard deviation indicates that the values ​​are more widely distributed. indicate.

Standard deviation can be abbreviated as SD, and in mathematical texts and equations, it is most commonly represented by the Greek lower σ (sigma) for population standard deviation or the Latin letter s for sample standard deviation. It is a target.

The standard deviation of a random variable, sample, population, dataset, or probability distribution is the square root of its variance. It's algebraically simple, but it's actually less robust than mean absolute deviation. A useful property of standard deviation is that, unlike variance, it is expressed in the same units as the data.

Expression

\ sigma = {\ sqrt {\ frac {\ sum (x_ {i}-{\ mu}) ^ {2}} {N}}}

\ sigma = Population standard deviation

N = size mother Population

x_i = Arbitrary value from population

\ mu = Population mean

Learn more about standard deviation   here: brainly.com/question/475676

#SPJ4

4 0
2 years ago
Write in point-slope form an equation of the line that passes through the point (−2,4) with slope −12.
alexgriva [62]

Answer: y - 4 = -12 ( x + 2)

Step-by-step explanation:

The equation of a line in point - slope form is given as :

y-y_{1} = m(x-x_{1} )

Where m is the slope and (x_{1} , y_{1}) is the given point

substituting the values into the formula , we have:

y - 4 = -12 ( x - {-2})

y - 4 = -12 ( x + 2)

7 0
3 years ago
Is 4x - 3 = 19 true, false or open?
docker41 [41]
False. nothing (X) times anything - 3 =19
7 0
3 years ago
Find the cosine ratio of angle Θ. Hint: Use the slash symbol ( / ) to represent the fraction bar, and enter the fraction with no
liberstina [14]
Cos(θ) = adjacent /hypotenuse = AC/BC = 5/13  
5 0
3 years ago
Other questions:
  • Whats the largest number you can make in roman numerails?
    9·1 answer
  • Please hurry<br>hurry<br>hurry<br>hurry<br>hurry
    7·2 answers
  • You inherit $1000, but spends $8 each day at lunch. How many days until you have $768
    15·2 answers
  • I need help with this question pic is above
    13·1 answer
  • If the units for x are years, and x = 5 represents the year 2015, what is the y-value for 2010?
    15·1 answer
  • Factoring math/////////
    5·2 answers
  • Error Analysis  A gardener plans to extend the length of a rectangular garden by 7 feet. Let x represent the​ garden's original
    6·1 answer
  • 1. Exercise 18, section 3.1. Let D be the set of all students at your school and let M(s) be "s is a math major", let C(s) be "s
    6·1 answer
  • I need help! If you could explain that would help alot
    14·1 answer
  • Work out the mean for the data set below:
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!