The GCF of 15 and 27 is _____.

Mathematics

2 answers:

Digiron [165]3 years ago

7 0

3. 3 goes into 15 5 times and into 27 9 times :)

daser333 [38]3 years ago

3 0

The GCF if 3. Please mark Brainliest!!!

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If there are 17 green marbles in a jar of 65 marbles, what is the probability of drawing 2 green marbles at random without repla

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Option b) $\frac{17}{260}$

Step-by-step explanation:

We are given the following information in the question:

Total number of marbles = 65

Number of green marbles = 17

We have to find the probability of drawing 2 green marbles at random without replacement.

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$Probability = \displaystyle\frac{\text{Number of favourable outcomes}}{\text{Total number of outcomes}}$

$\text{P(Drawing 2 green marbles at random without replacement)} = \\\text{Probability of drawing }1^{st} \text{ green marble}\times \text{Probability of drawing }2^{nd} \text{ green marble}$

$\text{Probability of drawing }1^{st} \text{ green marble} = \displaystyle\frac{17}{65}\\\\\text{Probability of drawing }2^{nd} \text{ green marble} = \displaystyle\frac{16}{64}$