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lubasha [3.4K]
3 years ago
6

Can someone help me please

Mathematics
2 answers:
sertanlavr [38]3 years ago
7 0
Polygon with different measurements
Zigmanuir [339]3 years ago
3 0
I think it's: polygons with right angles
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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
Help plssssssssssssssssssss
Elina [12.6K]

answer- 18

explanation- 40% of 120= 48 and 25% of 120= 30.

hope this helps !

4 0
3 years ago
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Select all that apply. Which lines have a slope of -2? Line a line b line c line d
katrin2010 [14]

Do you have a photo of the options?

8 0
3 years ago
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Carpenters refer to the slope of a roof as the pitch on the roof
sweet [91]

Answer:

Step-by-step explanation:

pitch=4/12=1/3

4 0
2 years ago
What is the solution set for the given inequality if the replacement set for r is {5, 6, 7, 8, 9, 10}?
Sophie [7]
Hi there! The answer is B.

5r \leqslant 6r - 8
Subtract 6r from both sides.

- r \leqslant  - 8
Divide both sides of the inequality by -1. Remember that dividing by a negative makes the sign flip.

r \geqslant 8
Therefore, the solution must be bigger than or equal to 8. From the given solution set, the answer is B. {8, 9, 10}

~ Hope this helps you!

3 0
3 years ago
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