3 years ago

Which expression is equivalent to |1-5| + |3|? O -2 O -8 O 2 O 8

Mathematics

1 answer:

vfiekz [6]3 years ago

3 0

Answer:

Step-by-step explanation:

because you do |1-5| first then do add ur answer to |3|

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3 years ago

2) Dada a equação x2 – 4x – 12, faça o que se pede.

alexandr1967 [171]

Answer:

a) x1 = 6 and x2 = -2

b) -2

Step-by-step explanation:

To find the roots of the quadratic equation, we can use the Bhaskara's formula:

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Delta = (-4)^2 - 4*1*(-12) = 64

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