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ankoles [38]
3 years ago
7

I will give brainliest please help

Mathematics
1 answer:
Inessa [10]3 years ago
5 0

Answer:

828

Step-by-step explanation:

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Factoriza 4x²-y²-6y-9
sveta [45]
4 x^{2} -y^{2} -6y-9 \\ 4 x^{2} = y^{2} +6y+9 \\ 4 x^{2} =(y+3)(y+3) \\  \sqrt{ 4x^{2} } = \sqrt{(y+3)(y+3)} =\\2x=y+3\\2x-3=y

y=2x-3
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3 years ago
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Can y’all please help me question 13-14 ?!
slamgirl [31]
13. A=(-1,3) 14.m= (-4,1)
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Figure ZANY is a square. If ZY = 7x - 3 and ZA = 6x, what is the value of x
SpyIntel [72]
7x-3=6x
x=3
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6 0
3 years ago
HELP PLEASE TELL ME WHICH ONE WITH AN EXPLAINATION
Alex787 [66]

Answer:

Im not sure, but i think it's the bottom because there not working with negatives

Step-by-step explanation:

Don't put that as the answer tho, im not too sure.

6 0
3 years ago
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1/3 (x + 4 ) = 20 wt the answer
sashaice [31]

Answer:

x = 56

Step-by-step explanation:

To start, distribute the 1/3 onto the x and the 4 in the parenthesis. That leaves you with

1/3x + 4/3 = 20

We want the x value by itself so we're going to subtract the 4/3 from the left and the right side, leaving us with

1/3x + 4/3 = 20 - 4/3

1/3x = 18 & 2/3 (since we're dealing with fractions, I'm going to change the 18 & 2/3 into an improper fraction just to make the next step easier.)

1/3x = 56/3

The last step is to divide the 1/3 off of the x, so x is by itself. To divide a fraction by a fraction, just flip the fraction you're dividing with and multiply.

56/3 x 3/1 = 56 (56 x 3 is 168, and 3 x 1 is 3, so when you reduce 168/3, you get 56)

So, 56 is our answer, because after dividing off the 1/3, we're left with x = 56

3 0
3 years ago
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