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g100num [7]
3 years ago
5

Help me solve this pleaseee

Mathematics
2 answers:
tamaranim1 [39]3 years ago
8 0
A. X=5

aaaaaaaaaaaaaaaaaaa
Alja [10]3 years ago
6 0

Answer:

Solution given:

perimeter of rectangle: 2(l+b)=2(3x-3+x-3)

  • =2(4x-6)=8x-12

perimeter of triangle: sum of all side

= 2x-1+2x-1+2x=6x-2

Since both perimeter are equal

8x-12=6x-2

8x-6x=12-2

2x=10

x=10/2

<u>x=5</u>

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What is the result when 1/8x - 2 5/7 is subtracted from 3 1/4x + 7 1/14
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Let's break it down:
We need an LCM, a least common multiple, so it's easier to subtract
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3 1/4 is equivalent to 3 2/8     
2 5/7 is equivalent to 2 10/14

3 2/8x + 7 1/14        or you can break it down to two parts also
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------------------           - - = +
2 1/8x + 9 11/14
 


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