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Oksana_A [137]
3 years ago
10

Which linear system of equations does the matrix represent 4 -7 -14 4 -12 4

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
4 0
The given matrix represent the following linear system

   4x  - 7y = -12
-14x + 4y =    4

Good luck!!!
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Find the x-intercept and the y-intercept of the following equation:<br> 4x - 6 y = 12
Dafna1 [17]
The answer is:
X int- 4
Y int- -12

Explanation:
You must subtract 12 from both sides
4x-6y-12=0

Add -6y to both sides

4x-12=y

Plus into y=mx+b

Y=4x-12

Hope this was helpful
6 0
2 years ago
Pentagon DEFGH is congruent to pentagon QRSTU what is the length of -----<br> QU<br><br> Please help
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3 years ago
Kelsey went to the donut shop before work. The ratio of chocolate donuts to sprinkled donuts that she bought is 3 to 4. If Kelse
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Answer:

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3 0
2 years ago
Which expression represents the perimeter of the figure in the diagram?
DedPeter [7]

Answer:  [B}:  " 20a-2 " .

____________________________________

<u>Step-by-step explanation</u>:

The perimeter, "P", of the given quadrilateral [which is a trapezoid];  refers to the value of the sum of all the [Four (4) — in this case] side lengths of the given quadrilateral.  

Note that the all the [four (4)] side lengths are given.

The answer choices provided are "simplified expressions" that all contain one variable; which is— "a" .

Note that all side lengths of the figure have side lengths that contain one variable—which is— "a" .

____________________________________

So, to calculate the perimeter, "P" :

Let us add up all the 4 (four) given side lengths of this quadrilateral:

P = (5a − 7) + (7a + 2) + (4a + 3) + (4a) ;

  = 5a − 7 + 7a + 2 + 4a + 3 + 4a  ;

Now, combined the "like terms" ; as follows:

     →   +5a + 7a + 4a + 4a ;

  =  (+5a + 7a) + 4a + 4a ;  

  = +12a + 4a + 4a ;

  = (+12a + 4a) + 4a ;

  =  (+16a) + 4a ;

  =  +20a ;

     →   − 7 + 2 + 3 ;

 =   − 5 + 3 ;

 =  − 2 ;

____________________________________

And we have:

____________________________________

 →   +20a − 2 ;  

 →  which is:  Answer choice:  [B]:  " 20a -2 " .

____________________________________

Hope this helps!

Best wishes to you in your academic endeavors

   — and within the "Brainly" community!

____________________________________

5 0
3 years ago
Read 2 more answers
How do you do this for expanding and factoring expressions 8(4x-12)
Snezhnost [94]

Answer:

32x - 96

Step-by-step explanation:

Apply the distributed property:

  1. 8 × 4x = 32x
  2. 8 × 12 = 96
  3. Re-write the expression: 32x - 96

I hope this helps!

7 0
2 years ago
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