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Lilit [14]
2 years ago
7

Let A = {a,b,c} and let B = {1,2,3}. Determine n(AB)​

Mathematics
1 answer:
sdas [7]2 years ago
3 0

Answer:

6

Step-by-step explanation:

really dude, im in 7th grade and answerd this.

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PLEASE HELP AND SHOW ALL STEPS
Alja [10]

Combining the like terms, the simplified polynomials are given as follows:

a) 4x² - 14x + 17

b) -5x² - 20x + 8

<h3>How are polynomials simplified?</h3>

Polynomials are simplified combining the like terms, that is, adding these numbers with the same variable.

Item a:

4(x - 2)(x + 1) - 5(2x - 5)

Applying the distributive property:

4(x² - x - 2) - 10x + 25

4x² - 4x - 8 - 10x + 25

Combining the like terms:

4x² - 4x - 10x - 8 + 25

4x² - 14x + 17

Item b:

-5(x + 2)² + 28

-5(x² + 4x + 4) + 28

-5x² - 20x - 20 + 28

-5x² - 20x + 8

More can be learned about the simplification of polynomials at brainly.com/question/24450834

#SPJ1

4 0
2 years ago
Look at the data in the table.
11111nata11111 [884]

Given table

______

x         y

______

2.4     9

7.2     28

7         24

8.3      35

3.1      9

7.2     30

9        32

_________

So, the coordinates on the graph (2.4, 9), (7.2, 28), (7, 24), (8.3, 35),  (3.1 , 9), ( 7.2, 30), (9, 32).

The first graph represents the line of best fit.

The definition of line of best fit " A line of best fit is a straight line that best represents the data on a scatter plot. This line may pass through some of the points, none of the points, or all of the points.".

<h3>Note: Most of the points should be as closer as possible to the drawn line. </h3>

5 0
3 years ago
Read 2 more answers
Write an equation in slope intercept form for the graph of the line.
zhannawk [14.2K]
Y = 2x - 3

Hope this helps!!!!!
8 0
3 years ago
What is the slope of the line through (–4, 3) and (5, 3)?
Sloan [31]

Answer:

b

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Show work to these problems
Tamiku [17]

Answer:

show work to what problems

Step-by-step explanation:

im in confusion

5 0
3 years ago
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