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Ludmilka [50]
3 years ago
14

What is the answer to 7b-15=5b-3

Mathematics
2 answers:
Sidana [21]3 years ago
7 0
First you move -15 over which makes it 7b=5b+12
then you move 5b over so then its 2b=12
divide b=6
Harrizon [31]3 years ago
7 0
7b - 15 = 5b - 3
7b - 5b = -3 + 15
2b = 12
b = 6
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arlik [135]

Answer:

It is the second triangle.

Step-by-step explanation:

This is because the area of the square is given as 25^2 as the perpendicular, 144^2 as the base, and the hypotenuse is 169^2.

Length of the perpendicular = 5^2 (Because 25^2 / 5^2)

Length of the base = 12^2

Length of the hypotenuse = 13^2

So, the Pythagoras theorem is,

=> H^{2} = P^{2} + B^{2}

=> 13^{2} =12^{2} +5^{2}

This is true, because, 13*13 = 12*12 + 5*5

=> 169 = 144 + 25

=> 169 = 169

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2 years ago
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3 years ago
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