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jekas [21]
3 years ago
15

What is the common ratio of the geometric sequence below? 18, -6, 2, -2/3

Mathematics
1 answer:
WARRIOR [948]3 years ago
6 0

Answer:

Step-by-step explanation:

Common ratios are found by either multiplying the same number in to get to the next number in the sequence, or by dividing out the same number in to go the next number in the sequence. Multiply or divide, NOT add or subtract! Be careful! Obiviously, our numbers are going down, so we are dividing out a specific number as opposed to multiplying one in. To get from 18 to 6, we have to divide by 3; however, the 6 is negative, so we have to divide by -3. To determine if we are correct, divide -6 by -3 and see if that result is the next one in line. -6 divided by -3 is 2. So we are correct, and the common ratio is -3.

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The probability of not drawing a black marble is 4/5

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<h3>What are the probabilities?</h3>

Probability determines the odds of the occurrence of a random event. The probability the event occurs is 1 and the probability that the event does not occur is 0.

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To learn more about probability, please check: brainly.com/question/13234031

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