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Old 11-14-2007, 07:56 PM   #1 (permalink)
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Okay I am trying to help my niece with some math and I can't for the life of me figure this one out!



There is a triangle and a rectangle both have same perimeter (which isn't given)



Triangle is x, x+1,x+2

Rectangle is x+1,x-3

Anyone now how to solve?

Have to solve for value of each side then get perimeter
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Last edited by ezrunner : 11-14-2007 at 08:00 PM.
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Old 11-14-2007, 08:12 PM   #2 (permalink)
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X=7
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Old 11-14-2007, 08:17 PM   #3 (permalink)
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I know the answer how do I get it
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Old 11-14-2007, 08:19 PM   #4 (permalink)
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I have to be able to show my niece how to get it
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Old 11-14-2007, 08:20 PM   #5 (permalink)
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Didn't your teacher ever tell you to "show your work?"
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Old 11-14-2007, 08:39 PM   #6 (permalink)
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Jc
Aren't you pilots supposed to be good with math.

I know it is simple and when I find ill probably punch mysel in the head
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Old 11-14-2007, 09:01 PM   #7 (permalink)
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ezrunner, here it is:

given: triangle's perimeter = rectangle's perimeter

this will be the mother equation:

a + b + c [triangle] = 2w + 2l [rectangle]

x + (x+1) + (x+2) = 2(x+1) + 2(x-3)

3x + 3 = 2x + 2 + 2x - 6

3x + 3 = 4x - 4

x = 7

?

maybe you can help me now since i've been trying to figure my IMAPworkemail to get pushed to my 8320. haha
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Old 11-14-2007, 09:11 PM   #8 (permalink)
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Thanks

I feel mad dumb

Knew it was simple
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Old 11-14-2007, 09:15 PM   #9 (permalink)
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4X-4=3X+3
4X-4+4=3X+3+4
4X=3X+7
X=7
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Old 11-14-2007, 09:42 PM   #10 (permalink)
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Sad to say, but I don't get that at all. That's why I married a math wiz....so I don't have to care what X is
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Old 11-14-2007, 09:50 PM   #11 (permalink)
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Thanks all

Now I have accomplished my task and now as my niece sleeps I'm doing math because I'm having fun

Who woulda thought!
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Old 11-14-2007, 10:13 PM   #12 (permalink)
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math is everywhere! let me dig through my old notes, i sure have some math jokes!

hehe
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Old 11-14-2007, 11:54 PM   #13 (permalink)
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Quote:
Originally Posted by ricpac View Post
ezrunner, here it is:

given: triangle's perimeter = rectangle's perimeter

this will be the mother equation:

a + b + c [triangle] = 2w + 2l [rectangle]

x + (x+1) + (x+2) = 2(x+1) + 2(x-3)

3x + 3 = 2x + 2 + 2x - 6

3x + 3 = 4x - 4

x = 7

Oh me brain hoits now!
lol
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Old 11-15-2007, 02:55 AM   #14 (permalink)
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haha i can answer just about whatever math question lol
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