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poizon [28]
3 years ago
9

tom keeps all of his favorite marbles in a special leather bag. right now, fove red marbles, four blue marbles, and three yellow

marbles are on the bag. if he randomly chooses one marble to give to a friend, what is yhe probabaility that it is blue?
Mathematics
2 answers:
Ulleksa [173]3 years ago
5 0
To get the probability , add all of the marbles together to get the 100%. There are 12 marbles total. Since there are four blue marbles, there is a 4/12 chance he will pick a blue marble. Simplify this to 2/6, and then 1/3 which in percentage is approximately 33.33%
arlik [135]3 years ago
4 0
4/12 simplified will be 1/3
Answer is 1/3.
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Step-by-step explanation:


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Vera is using her phone.Its battery life is down to 2/5,and it drains another 1/9 every other. How many hours will her battery l
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Let x be total hours of battery life. We have been given that battery life of Vera's phone is down to 2/5. So remaining battery life,

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We have been also given that it drains another 1/9 every other hour. Now let us substitute our given information into an equation.

\frac{1}{9}\cdot x=\frac{3}{5}

Now we will solve for x.

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3 0
4 years ago
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Sav [38]

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$0.23

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