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Blababa [14]
3 years ago
8

Need help with this

Mathematics
1 answer:
velikii [3]3 years ago
5 0

Answer:

search it up

Step-by-step explanation:

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17,19,23 are the prime numbers
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Can someone explain interval notations? Also, How do you figure them out?
sergeinik [125]

A notation for representing an interval as a pair of numbers. The numbers are the endpoints of the interval. Parentheses and/or brackets are used to show whether the endpoints are excluded or included.

For example, [3, 8) is the interval of real numbers between 3 and 8, including 3 and excluding 8.


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2 years ago
Write a system of two equations.
Katyanochek1 [597]

A system of linear equation consists of two or more linear equations with the two or more same variables. Such equations are called system of equations (or) simultaneous equations (or) a pair of equations.

Example:

x + y = 5 is one linear equation.

2x – y = 4 is another linear equation.

But x + y = 5, 2x – y = 4 together they form system of linear equation.

The solution to a  system of linear equations in two variables is any ordered pair that satisfies each equation independently.

8 0
2 years ago
X-4=4-x
Sidana [21]

Answer:

4 and any number other than 4

Step-by-step explanation:

The first answer is 8.  Solve the equation for x.

x-4 = 4-x

To get rid of the x on the right side, you must add x to both sides

(x) + x - 4 = (x) + 4 - x

On the right side x-x=0 so now you are left with 4 on the right side

On the left side x+x=2x so you have 2x-4 on the left side.

Now add 4 to both sides to get rid of the 4 on the left side.

(4) + 2x - 4 = (4) + 4

On the left side, 4-4=0 so you are left with 2x.

On the right side 4+4=8

So now you have 2x = 8.  To finish solving for x, you now need to divide both sides by 2.

2x        8

----  =  -----

2           2

On the left, 2 divided by 2 equals 1 so you are left with x.

On the right, 8 divided by 2 equals 4.

So now you know what X must equal 4 to make the equation TRUE.

Any number other than 4 will make the equation false.

8 0
2 years ago
!!!MAJOR HELP AND NO LINKS AND IF YOU DONT KNOW BUT YOU STILL ANSWER, I WILL REPORT IF YOU SAY SOMETHING THAT IS NOT AN ANSWER!!
Brut [27]

Answer:

7.6

Step-by-step explanation:

Divide 38 by 5 to get your answer

6 0
3 years ago
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