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Re: can anyone help me with these math problems

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Bobistooshort is not online. Bobistooshort
Joined: 27 Jan 2016
Total Posts: 53
01 Feb 2016 05:14 PM
I dont know how to find distributive property and combine like terms for this

-(-n+2)-2n

and

-3(5+2x)-7


How do I write the experssion for the perimeter of a rectangle with a length that's 5 inches longer than its width?
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Bobistooshort is not online. Bobistooshort
Joined: 27 Jan 2016
Total Posts: 53
01 Feb 2016 05:43 PM
what the hells going on
ever since i had my problem
how come less people been active
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DatEmoKid is not online. DatEmoKid
Joined: 16 Oct 2013
Total Posts: 137
01 Feb 2016 05:50 PM
-3(5+2x)-7

Can be simplified to

-22-6x

-(-n+2)-2n

Can be simplified to

-n-2

For the last one- I have no idea...

Pretty sure my answers are wrong, I'm a sixth grader so don't rely on them.
But I recommend an online algebra calculator, such as the one on mathpapa.com.

Siggy is non existent
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wohoo1997 is not online. wohoo1997
Joined: 28 Jan 2011
Total Posts: 9101
01 Feb 2016 05:51 PM
well, first you need to find the values of the variables...
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AwesDoge2 is not online. AwesDoge2
Joined: 27 Sep 2011
Total Posts: 894
01 Feb 2016 05:51 PM
divide by 0 to get the answer
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LyricLynx is not online. LyricLynx
Joined: 18 Jun 2014
Total Posts: 8751
01 Feb 2016 05:52 PM
No, you don't need to find the variables unless you need to solve it. I'm guessing you need to simplify it instead






im a ghost with asses in my face | I put the OK in JOKE
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iurnmen is not online. iurnmen
Joined: 27 Dec 2014
Total Posts: 618
01 Feb 2016 05:53 PM
dont cheat billy
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wackeyhd5cool is not online. wackeyhd5cool
Joined: 24 Nov 2010
Total Posts: 906
01 Feb 2016 05:56 PM
The last one is...

length = l
width = w

2(2w+5)
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dssdd253 is not online. dssdd253
Joined: 29 Jun 2012
Total Posts: 4452
01 Feb 2016 05:57 PM
lol u r stoopid

the area for a ractangle is 7 u stoopid noob
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Bobistooshort is not online. Bobistooshort
Joined: 27 Jan 2016
Total Posts: 53
01 Feb 2016 06:06 PM
omg i cant get a clear answer and a clear how to solve the problem
everyone stoopid in here
i hope you all die
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DatEmoKid is not online. DatEmoKid
Joined: 16 Oct 2013
Total Posts: 137
01 Feb 2016 07:54 PM
If you weren't such a bigheaded idiot maybe you'd see my post near the top.
Also, you're the "stoopid" one here for believing that OT would give you legit answers.
Go die.

Siggy is non existent
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kittenkommando is not online. kittenkommando
Joined: 18 Dec 2011
Total Posts: 1916
01 Feb 2016 07:56 PM
Well, first, you look in the book to see if it has instructions. Next, if it doesn't, look online for instructions on that kind of problem.

Then boom, your problems are solved.
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ParadigmaticAnon is not online. ParadigmaticAnon
Joined: 25 Jan 2016
Total Posts: 182
01 Feb 2016 08:07 PM
"How do I write the experssion for the perimeter of a rectangle with a length that's 5 inches longer than its width?"

A basic mathematical formula should suffice, as shown below:

The perimeter of a rectangle equals (2 * (l * w)).

Therefore, the quotient of p and 2 equals (l * w).

The quotient of (l * w)/l = w, or width.

Adding five to this numerical quantity will give you a value that is five inches greater than the original width quantity.

w = (w + 5)

Altogether, this is equivalent to:

l = ((p/2)/l + 5)

This explanation should assist you greatly.

(Alternatively, p = w * (w + 5) may help you, depending on your question.)

Explanations validate answers.
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