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anonymous
 5 years ago
A picture 17 inches by 20 inches is to be mounted on a piece of matboard so that there is an even amount of mat all around the picture. How wide will the border be if the area of the mounted picture is 598 square inches?
anonymous
 5 years ago
A picture 17 inches by 20 inches is to be mounted on a piece of matboard so that there is an even amount of mat all around the picture. How wide will the border be if the area of the mounted picture is 598 square inches?

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amistre64
 5 years ago
Best ResponseYou've already chosen the best response.117x(20x) = 598 right?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1or rather: (17+2x)(20+2x) = 598

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yes. i need the width of the border

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1340 +40x +34x +4x^2 340 +74x +4x^2 x = 74/16 + sqrt(74^2 4(4)(340))/16 then

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1dint work out as expected :)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1musta missed cued in the calculator; let me try that again

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0oh. the book gives me a hint that its a solution between 3 and 7 inches

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1598.. i got no short termmemory lately..

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1ok, when i do it correctly, I get x=3 so lets try to dbl chk that

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.03 could be right. thats what i got

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.117+2(3) = 23 20 + 2(3) = 26 23(26) = 598, its good

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok. thanks for confirming
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