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IgorC [24]
3 years ago
5

Find all solutions to the system

Mathematics
1 answer:
lara31 [8.8K]3 years ago
8 0

Answer:

x=-3\\y=5\\\\(-3,5)

Step-by-step explanation:

Make both equations equal, as following:

y=y\\x^{2}+12x+32=6x+23

Add like terms:

x^{2}+12x+32-6x-23=0\\x^{2}+6x+9=0

Factor it as following:

(x+3)^{2}=0

Then:

x=-3 (Double root)

Substitute this into the second equation to obtain y:

y=6(-3)+23\\y=5

Then the solution is:

x=-3\\y=5\\\\(-3,5)

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The diagonal of the tv screen is given by:
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 Answer:
 
The expressions for the width and height of a wide-screen tv in terms of the length of its diagonal are:
 
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3 years ago
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olasank [31]

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Answer:

48.9

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