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3 years ago

13

A quiz consists of 4 true-false questions. What is the probability of getting 100% on the quiz by randomly guessing the answer t

o all 4 questions?
1/2
2/5
1/16

2 answers:

Rudik [331]3 years ago

6 0

1/2 is the answer bc it is the best choice between them so

timofeeve [1]3 years ago

4 0

2/5... there's actually not a chance of getting a 100 so Ima go with 1/16 as my final answer

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zavuch27 [327]

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3 years ago

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Answer:

9425

D

Step-by-step explanation:

They are in the third tax bracket down. That means that their joint income is over 67900 but less than 137050.

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Eddi Din [679]

Answer:

$6+\frac{i}{3}$

Step-by-step explanation:

$\frac{1}{3\imath}-(-6+\frac{2}{3\imath})$

$\frac{1}{3\imath}+6-\frac{2}{3\imath}$

taking like terms together

$\frac{1}{3\imath}-\frac{2}{3\imath}+6$

taking LCM

$\frac{1-2}{3\imath}+6$

$\frac{-1}{3\imath}+6$

taking LCM

$\frac{-1+18\imath}{3\imath}$

splitting the term

$\frac{-1+18\imath}{3\imath}$

splitting the term

$-\frac{1}{3\imath}+\frac{18\imath}{3\imath}$

$-\frac{1\times3\imath}{3\imath \times \imath}+6$

$-\frac{i}{3\imath^2}+6$

we know that

$\imath^2=-1$

putting this value in above equation

$\frac{\imath}{3}+6$

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