anonymous
  • anonymous
An isosceles triangle has a base of m and sides of m + 3. What simplified expression can be used to find the perimeter of the triangle?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
help! any body some good in algebra 1
anonymous
  • anonymous
can you guys write the steps and how you got the ansewr
anonymous
  • anonymous
((m+3)*2)+m=P ?

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anonymous
  • anonymous
I'm not sure though
anonymous
  • anonymous
PERIMETER is sum OF ALL SIDES
anonymous
  • anonymous
oh
anonymous
  • anonymous
So if sides are m, and m+3 and m+3 sum is 3m+6
anonymous
  • anonymous
yea so um idk this is algebra its in equalities i think
anonymous
  • anonymous
which is your perimeter
anonymous
  • anonymous
yea so what do i do first
anonymous
  • anonymous
|dw:1351133317407:dw|
anonymous
  • anonymous
u sure?
anonymous
  • anonymous
|dw:1351133370366:dw|
anonymous
  • anonymous
yes very sure, do you want to find the perimeter or AREA ?, REMEBER PERIMETER IS ALWAYS the SUM of all sides
anonymous
  • anonymous
its the perimeter i need to find
anonymous
  • anonymous
so my formula ((m+3)*2+m)=P works too :)
anonymous
  • anonymous
yes so thats correct, perimeter is m+ m+3 + m+3 = 3m+6
anonymous
  • anonymous
i combined the liked terms and i got 3m+6
anonymous
  • anonymous
you are correct
anonymous
  • anonymous
then i divide it by 3 m on both sides which get m=2
anonymous
  • anonymous
right or wrong?
anonymous
  • anonymous
why do you want to divide, you just need the perimeter , P= 3m+6 are you supposed to find the value of m, and do you have the value of perimeter given?
anonymous
  • anonymous
spider, "m" is a variable - it has no number except the one you, or your textbook or teacher give it, if they didn't give you a number for Perimeter variable, or m, then it's just m
anonymous
  • anonymous
oh okay thanks C:

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