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Diano4ka-milaya [45]
3 years ago
9

A comparison number sentence

Mathematics
1 answer:
andreev551 [17]3 years ago
3 0
I need a little more to work with
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Zane performs the elementary row operation represented by R2-½R1 on matrix A.​
UkoKoshka [18]

Answer:

[2 5 0]

[-7 -11/2 12]

Step-by-step explanation:

We want to perform elementary row operation represented by R2 - ½R1 on matrix A in the figure attached.

Now, matrix A is given as;

[2 5 0]

[-6 -3 12]

Now, R1 is row 1 = [2 5 0]

R2 is row 2 = [-6 -3 12]

Thus, R2 - ½R1 = [-6 -3 12] - ½[2 5 0]

This gives;

[-6 -3 12] - [1 5/2 0] = [-7 -11/2 12]

Now,[-7 -11/2 12] will be the new row 2 since it's just an elementary row operation we did on the Matrix A.

Thus, the new matrix is now;

[2 5 0]

[-7 -11/2 12]

5 0
2 years ago
Read 2 more answers
Simplify 4(6n+9)-10n please help
loris [4]
<span>4(6n + 9) - 10n

= 24n + 36 - 10n

= 14n + 36</span>
3 0
3 years ago
Find the angle of rotation about the center of the square that maps A to D
Marrrta [24]

please give a more detailed question and i will be happy to try and help with your question

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3 years ago
Can someone please help me with this? ^^"
meriva

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Not issue discussed plz full page

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NEED MATH HELP NOW. Please solve for x-intercept.
Lelechka [254]

Answer:

(1, 0) and (3, 0)

Step-by-step explanation:

y=2x²-8x+6

x- intercept when y=0

  • 2x²-8x+6=0
  • x²-4x+4=1
  • (x-2)²=1
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2 years ago
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