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Diano4ka-milaya [45]
3 years ago
7

Are the events independent or dependent. From a bag containing 10 marbles, 5 red, 3 black, 1 blue, and 1 white we pick two marbl

es:
Event A: Selecting a red marble first pick, and then without replacement
Event B: Selecting a white marble on the second pick
Mathematics
2 answers:
muminat3 years ago
4 0

Answer:

Dependent

Step-by-step explanation:

The first draw has 10 marbles, the second draw has 9 marbles and the color of those 9 marbles depends on the marble picked in the first draw so the events are dependent.

IRISSAK [1]3 years ago
4 0

Answer:

Dependant

Step-by-step explanation:

It would be independent if you put the marble BACK, because at first it was 1/10 to get the white marble and then it became 1/9.

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How do you find m ∠ A ? (A=2x + 21)<br><br><br>A. 23°<br><br>B. 45°<br><br>C. 30°<br><br>D. 67°
yawa3891 [41]

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Step-by-step explanation:

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3 years ago
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Solution:

<u>A few definitions...</u>

  • Rational number - Any integer, fraction, terminating decimal, or repeating decimal is classified as a rational number
  • Irrational number - All the real numbers which are not rational numbers.

<u>Option A - Rational or Irrational?</u>

  • 1/2 + 1/3

Since both are known as fractions, they are rational numbers.

<u>Option B - Rational or Irrational?</u>

  • √2 + 5/2

√2 is classified as an Irrational number because if it is simplified, it does not result in any integer, fraction, terminating decimal, or repeating decimal.

<u>Option C - Rational or Irrational?</u>

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  • => 1/2 + 7/2
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Since this is an integer, this is rational.

<u>Option D - Rational or Irrational?</u>

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Since this is an integer, this is rational.

In conclusion...

Option B is correct.

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