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Kamila [148]
3 years ago
8

the perimeter of a scalene triangle is 14.5 cm. the longest side is twice that of the shortest side. which equation can be used

to find the side lengths if the longest side measures 6.2cm?
Mathematics
2 answers:
notka56 [123]3 years ago
6 0
Let a = longest side      
let b = shortest side
let c = third side

P = 14.5                     
a = 6.2
b = 1/2(a)

P = a + b + c
P = 6.2 + 3.1 + c        

P = 9.3 + c                

14.5 = 9.3 + c           
c = 14.5 - 9.3          
c = 5.2
Goshia [24]3 years ago
5 0

Answer:

9.3+b=14.5

Step-by-step explanation:

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Can somebody help me with this
neonofarm [45]

The sum of the expression (–x² + x) and (x² – 3x – 1) will be –2x – 1. Then the correct option is D.

<h3>What is Algebra?</h3>

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

The expression can be written as

(–x² + x) and (x² – 3x – 1)

Then the sum of the expression (–x² + x) and (x² – 3x – 1) will be

(–x² + x) + (x² – 3x – 1) = –2x – 1

Then the correct option is D.

More about the Algebra link is given below.

brainly.com/question/953809

#SPJ1

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