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Anna11 [10]
3 years ago
9

Out of 120 high school boys and 80 high school girls, 45 tried out for track. Of those 45, 12 were girls.

Mathematics
2 answers:
zubka84 [21]3 years ago
5 0
There are 33 boys who tried the track.
68 girls didnt try the track
87 boys didnt try the track



Molodets [167]3 years ago
3 0

Answer:


Step-by-step explanation:

                <u>   yes          no</u>

<u>Boys:</u>           33             87


<u>Girls:</u>           12            68

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Answer:

The answer in the attached figure

Step-by-step explanation:

Let

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y=2(0)=0

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y=2(1)=2

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The answer in the attached figure


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3 years ago
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<u>Answer:</u>

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To find this you would need to multiply the probability of pulling a white marble to the probability of pulling out a green marble.

1)First you would need the probability of pulling out a white marble. There are 10 marbles in total and out of those 2 are white. So the probability of pulling out a white marble would be 2/10. If you simplify that you would get 1/5 for the probability of pulling out a white marble.

2)Next, you would find the probability of pulling out a green marble. Using the same process that we used to find the probability of pulling out a white marble, we would find the answer to be 3/10. All that we did here was <em>green marbles/total marbles</em>. By filling that in we got 3/10 for the probability of pulling out a green marble.

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3 years ago
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