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sweet-ann [11.9K]
3 years ago
15

5+|6-5x|=14 Absolute Value

Mathematics
2 answers:
mina [271]3 years ago
5 0

Answer:

3/5 s the answer hope this help

Step-by-step explanation:

Goryan [66]3 years ago
4 0

Answer:

3/5

Step-by-step explanation:

5+6+5x=14

11+5x=14

5x=3

THEREFORE X=3/5

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Step-by-step explanation:

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For  example,

The sequence

1,     3,     6,      10

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                          *              *  *

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The pentagonal numbers

The sequence:

1, 5, 12, 22, 35

As shown in the picture can be divided into three triangles

Triangle 2

x (x + 1) / 2

Triangle 1 and 3  (they are triangles one unit smaller than 2)

n (n + 1) / 2

n= x-1

Replacing n

(x-1) ((x-1) + 1) / 2

(x-1) (x) / 2

(x-1) x / 2

______________

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Triangle 1  = Triangle 3

So then,

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Rearranging

0.5 x (x +1) + x(x -1)

0.5x^2 + 0.5x + x^2 -x

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______

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