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KIM [24]
2 years ago
13

I really need help at this. Pleas help!!

Mathematics
1 answer:
Alik [6]2 years ago
6 0

Answer: x>-5

It is x is greater than or equal to -5

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A door to a playhouse is 50 inches tall. Which of the following is another measure equal to the height?
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x^2+y^2+14x+10y=7\\\\x^2+14x+y^2+10y=7\\\\x^2+2x\cdot7+y^2+2y\cdot5=7\\\\\underbrace{x^2+2x\cdot7+7^2}_{Use\ (*)}-7^2+\underbrace{y^2+2y\cdot5+5^2}_{Use\ (*)}-5^2=7\\\\(x+7)^2-49+(y+5)^2-25=7\\\\(x+7)^2+(y+5)^2-74=7\ \ \ \ |add\ 74\ to\both\ sides\\\\(x+7)^2+(y+5)^2=81\\\\(x+7)^2+(y+5)^2=9^2

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7 0
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