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MrRa [10]
3 years ago
15

an urn contains 10 blue marbles and 8 yellow marbles a marble is drawn and dropped back into the urn. Then a second marble is dr

awn and dropped back into the urn both marbles are yellow if another marble is drawn. what is the probability that it will be blue
Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
6 0

Answer:

80/729

Step-by-step explanation:

8/18x8/18x10/18=640/5832

80/729

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If $32 dollars is 1/4 of the money she made babysitting then you would add 32 four times to reach the answer.

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3 years ago
Eva payrolls for on a number cube and the number of cubes roll 24 times then what is a reasonable prediction for the number of s
Allushta [10]

Answer:

The reasonable prediction for successful rolls is 4.

Step-by-step explanation:

Assuming the rolling cube  is a fair 6 sided cube, so the probability of success of one roll is given as

P(Success)=\dfrac{Number\ of\ successful\ events}{Number\ of\ total\ events}

P(Success)=\dfrac{1}{6}

The total success is given as

P(Total\ Success)=P(Success)\times Number\ of\ events

For 24 rolls it is given as

P(Total\ Success)=P(Success)\times Number\ of\ events\\P(Total\ Success)=\dfrac{1}{6}\times 24\\P(Total\ Success)=4

So the reasonable prediction for successful rolls is 4.

3 0
2 years ago
The current (I) in an electrical conductor varies inversely as the resistance (r) of the conductor. The current is 2 amperes whe
Oksanka [162]
The current is 4 amperes
6 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP! WILL GIVE BRAINLEIST!!
Sunny_sXe [5.5K]

Answer:

A

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5 0
3 years ago
Find the missing angle measures in the triangles
Svetllana [295]

For the first triangle, I believe the given angles are 85 and 53. If I am incorrect, please let me know and I'll resolve it.

The answer for 1 would be 42.

2nd triangle- 69 is the missing angle measurement.

3rd- 64 degrees.

4th- 53

The reasoning behind all of these: The total of all three interior angles should be 180 degrees. So when you add the two GIVEN angles, and subtract that from 180, this answer is your missing angle.

(Also, for any other site or anything, it might be best to block out your name)

8 0
2 years ago
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