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V125BC [204]
3 years ago
7

Check your solution. (Some equations have no solution

Mathematics
1 answer:
malfutka [58]3 years ago
5 0

Answer:

x=8

Step-by-step explanation:

5-x=13

5-5=0

13-5=8

x stays because its a variable

x=8

one solution

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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
imagine you live only one mile from work and you decide to walk. If you walk four miles per hour how long will it take you to wa
GenaCL600 [577]
It takes 15 minutes to walk one mile
3 0
3 years ago
Read 2 more answers
How many squares are in the circle below
Alinara [238K]

Answer:

66 squares are in the circle.

7 0
3 years ago
Read 2 more answers
* 20 points * help me please.?????........???!
lorasvet [3.4K]
y=ax^2+bx+c

A parabola is open up if a > 0.
The vertex formula: y=a(x-h)^2+k
(h; k) - the coordinates of the vertex
B.\ y=x^2+10x+24=x^2+2x\cdot5+24=x^2+2x\cdot5+5^2-5^2+24=(x+5)^2-1
Therefore h = -5 < 0
Answer: B. y = x² + 10x + 24.

3 0
3 years ago
Moya picked 3 dozen apples she wents to share her apes in equal groups. show how many different way can she do this
lys-0071 [83]

Answer:

Groups of 12, Groups of 4, Groups of 6, Groups of 18

Step-by-step explanation:

12 x 3 = 36

36 splits evenly into 12, 4, 6, and 18 therefore that is your answer.

5 0
3 years ago
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