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undeadknight26 (undeadknight26):
Help please?
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undeadknight26 (undeadknight26):
Katie wants to hang a painting in a gallery. The painting and frame must have an area of 45 square feet. The painting is 6 feet wide by 7 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?
undeadknight26 (undeadknight26):
4x2 + 26x + 45 = 0 4x2 + 26x - 3 = 0 x2 + 13x - 3 = 0 x2 + 13x + 45 = 0
undeadknight26 (undeadknight26):
I think it is B!
undeadknight26 (undeadknight26):
@SoloN8v88 @SolomonZelman @Ashleyisakitty @WinryRockbell please help!
OpenStudy (anonymous):
it is B undead
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OpenStudy (anonymous):
yup ur right
OpenStudy (anonymous):
Its (2x+7)(2x+6)=45, so 4x^2+12x+14x+42=45, 4x^2+26x+42-45=0, 4x^2+26x-3=0.
undeadknight26 (undeadknight26):
Thanks mate!
OpenStudy (anonymous):
welcome
undeadknight26 (undeadknight26):
OMG!! THANK YOU GUYS! U JUST MADE ME GREEN!
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OpenStudy (secret-ninja):
Congrats on green! :D Sorry that I'm 8 months late. .... LOL
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