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Colt1911 [192]
3 years ago
13

What is the y-intercept of y = -3x

Mathematics
1 answer:
vlabodo [156]3 years ago
8 0

Answer:

X=0

Step-by-step explanation:

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Conplete the square to solve the quadratic equation. x<br><img src="https://tex.z-dn.net/?f=1%20%7Bx%7D%5E%7B2%7D%20%20-%206x%20
o-na [289]

Answer:

\large\boxed{x=4\pm2\sqrt6}

Step-by-step explanation:

x^2-6x+12=2x+20\qquad\text{subtract}\ 2x\ \text{and}\ 12\ \text{from both sides}\\\\x^2-8x=8\\\\x^2-2(x)(4)=8\qquad\text{add}\ 4^2=16\ \text{to both sides}\\\\x^2-2(x)(4)+4^2=8+4^2\qquad\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\(x-4)^2=24\iff x-4=\pm\sqrt{24}\\\\x-4=\pm\sqrt{4\cdot6}\\\\x-4=\pm\sqrt4\cdot\sqrt6\\\\x-4=\pm2\sqrt6\qquad\text{add 4 to both sides}\\\\x=4\pm2\sqrt6

6 0
3 years ago
Pa tulong po pleasee
astraxan [27]

Answer:

1. 7

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only this I know please put brainlest

5 0
3 years ago
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You increase the size of a computer screen display by 20 %
Eva8 [605]
Assuming display of computer is at 100%
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Hope this helps!
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3 years ago
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Nata [24]
Do you have a picture to show, so that I can help?
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