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Nataly_w [17]
3 years ago
11

The first side of a triangle is scm long.

Mathematics
1 answer:
ziro4ka [17]3 years ago
4 0

Answer:

First side is 19, second side is 38 and third side, the longest is 43.

Step-by-step explanation:

Let's call the first side a.  

The second side, being twice as long as the first, is 2a.

The third side is 2a+5.

The equation is:

a+2a+2a+5=100, since 1 metre is 100 centimetre.

5a+5=100

5a=95

a=19

First side is 19, second side is 38 and third side, the longest is 43.

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Answer:

You can use the method of substitution.

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We know that if 'y' varies directly with 'x', we use the equation

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