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3 years ago

What best describes the relationship between the Boston Marathon bombing and biometrics?

English

1 answer:

Natasha2012 [34]3 years ago

7 0

Answer:

Because of the newly developed biometric technology, the FBI was able to

quickly identify two suspects.

The blurry photos released by the FBI after the bombing prompted

researchers to improve their early biometric software.

Because biometric technology was unavailable at the time, the Boston

Marathon bomber remains at large.

The Boston Marathon bombing made researchers aware of how biometric

technology is sometimes useless and ineffective.

Explanation:

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Solve by elimination

quester [9]

-3x+y = -28

-x-6y = -3

~~~~~~~~~~~~~

Eliminate x:

-3x+y=-28

-x-6y=-3

~~~~~~~~~~~~~

-3x+y=-28

-3(-1)x-3(-6)y=(-3)(-3)

~~~~~~~~~~~~~

3x-1y=28

3x+18y=9

19y=-19

Therefore:

19y=-19

÷19 ÷19

y= $\frac{-19}{19}$

y=1

~~~~~~~~~~~~~

3x-1y=28

y=-1

~~~~~~~~~~~~~

3x-1(-1)=28

3x+1=28

-1 -1

3x=28-1

3x=27

÷3 ÷3

x= $\frac{27}{3}$

↑ They cancel each other out

x=9

~~~~~~~~~~~~~

x=9

y=-1

Answer is: (9,-1)

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