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noname [10]
3 years ago
10

Factor completely: 16x2 − 81

Mathematics
1 answer:
patriot [66]3 years ago
8 0
16 times 2 is 32. 81-32 is....49. Did I answer your question?
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Step-by-step explanation:

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Explain the difference between a greatest common factor and a least common factor
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Greatest Common Is The More Times It Can Go In To That Number. And The Least Is The Least Many Times.

4 0
3 years ago
I need to solve for x and y. Any help is greatly appreciated! Thank you!
Inessa05 [86]

x=-3, y=1

Step-by-step explanation:

Given equations are:

2x-3y=-9     Eqn 1

x+y = - 2      Eqn 2

From eqn 2:

x=-y-2

Putting x=-y-2 in eqn 1

2(-y-2)-3y=-9\\-2y+4-3y=-9\\-5y-4=-9\\Adding\ 4\ on\ both\ sides\\-5y-4+4=-9+4\\-5y=-5\\Dividing\ both\ sides\ by\ -5\frac{-5y}{-5}=\frac{-5}{-5}\\y=1\\Putting\ y=1\ in\ eqn\ 2\\x+1=-2\\Subtracting\ 1\ from\ both\ sides\\x+1-1=-2-1\\x=-3

Hence,

x=-3, y=1

Keywords: Linear equations, Variables

Learn more about linear equations at:

  • brainly.com/question/4034547
  • brainly.com/question/4054269

#LearnwithBrainly

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4 years ago
Helppppppppppppppppppppppp fasttttt
WARRIOR [948]
Iit is the first choice where it says the side length of the white square is b -a....
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Im confuse. On this problem
olga nikolaevna [1]

Answer:

Well, all you really need to simplify the problem into fractions

Step-by-step explanation:

done

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