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oksano4ka [1.4K]
3 years ago
13

Describe three different substitutuion method

Mathematics
1 answer:
ankoles [38]3 years ago
7 0

elimanation  variations matrix

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What two numbers multiplied = 6 but added = -5​
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-2, -3

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-2*-3=6

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Quadrilateral ABCD is a rectangle. BD = 6x - 14 and AC = 8x - 20. What is BD?
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4

Step-by-step explanation:

The diagonals are equal length:

6x - 14 = 8x - 20\\-2x = -6\\x = 3

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In the Fig., if ABCD is a parallelogram, then the value of x is ​
Natalija [7]

Answer:

Value of x is 20.

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