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netineya [11]
3 years ago
9

What's the probability you will flip 3 coins in a row and they all land on HEADS?

Mathematics
1 answer:
liberstina [14]3 years ago
6 0

Answer:

B. 1/8 chance

Step-by-step explanation:

Every time you flip a coin you have a 1/2 probability of landing on heads.

If you repeated the process three times in the row

It would be 1/2 x 1/2 x 1/2 = 1/8

The odds they all land on heads is 1/8

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To pass science, a student must earn at least a grade of 70. How many students failed this science class?​
Colt1911 [192]

Answer:

7 students.

Step-by-step explanation:

To pass science, a student requires at least 70 grades so students who scored below 70 will be failed.

From the given bar chart we can calculate the number of students who scored below 70 grades

Students who earned 50 - 59 = 2

Students who earned 60 - 69 = 5

Therefore, number of students who failed were

2 + 5 = 7 students.

4 0
3 years ago
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10 to the second power times 16.29
aksik [14]

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1629

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sukhopar [10]

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4ft and 10ft

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5 0
2 years ago
R=-6 and t=3. what is 12-t | 3r-2 |
SVEN [57.7K]
12 - t|3r - 2|

r = -6; t = 3

subtitute:

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7 0
3 years ago
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