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luda_lava [24]
3 years ago
14

.

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
8 0
Lets say you have 5 apples, but the you give away 3 of them.
To work how many you have left you take away.
5-3 = 2

Lets apply this with fractions now.
You have 9/7 yard, but then you give away 7/20 yard.
Now you take them away:
9/7 minus 7/20 = 131/140

Hope this helps :)
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There are eight students in a class. Only one of them has passed Exam P/1 and only one of them has passed Exam FM/2. No student
Svetach [21]

Answer: There is probability of 0.57 chances that exactly three students from a group of four students have not passed Exam P/1 or Exam FM/2.

Step-by-step explanation:

Total number of students = 8

Number of student who has passed Exam P/1 = 1

Number of student who has passed Exam FM/2 = 1

No student has passed more than one exam.

According to question, exactly three students from a randomly chose group of four students have not passed Exam P/1 or Exam FM/2.

So, Probability will be

\frac{^6C_3\times ^2C_1}{^8C_4}\\\\=\frac{20\times 2}{70}\\\\=\frac{4}{7}\\\\=0.57

Hence, there is probability of 0.57 chances that exactly three students from a group of four students have not passed Exam P/1 or Exam FM/2.

4 0
3 years ago
Pls help picture provided :}
Liono4ka [1.6K]

Answer:

not sure but positive 3?

4 0
2 years ago
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If Josefina is the coach of a baseball team, she is also qualified to be __________.
Sliva [168]
If Josefina is the coach of a baseball team, <span><span>she is not necessarily qualified to be any of these choices</span>.

the president of the country
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6 0
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Help me to get this ASAP
torisob [31]

Answer:

top left:1/5, 2/7, 3/5, 5/7, 31/35

top right:2/5, 2/3, 7/10, 4/5, 9/10

bottom left:9/8, 15/8, 13/6, 9/4, 15/6

bottom right:13/10, 13/6, 11/5, 25/6, 21/5

Step-by-step explanation:

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3 years ago
At a used bookstore, Cindy bought 2 paperback books for $1.75 and some children's books for $0.75 each,
ozzi
C. 5 bc u jus gotta add it on the calculator
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3 years ago
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