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Rudik [331]
3 years ago
10

In a group of twelve people, four had been selected for a transfer. If two of the twelve are selected, what is the probability t

hat both of those selected are selected for a
transfer?
Mathematics
1 answer:
rusak2 [61]3 years ago
3 0

Answer:

1/11

Step-by-step explanation:

The probability the first person has been selected for transfer is 4/12.

The probability the second person has been selected for transfer is 3/11.

So the probability of both is 4/12 × 3/11 = 1/11.

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Bingel [31]

the answer is 27.54

7 0
3 years ago
Lizzy wants to solve the equation 6(2x + 1) = 4x – 5. Which step would be an appropriate first step for Lizzy to take to solve f
e-lub [12.9K]

Answer:

distribute parenthesis

Step-by-step explanation:

6(2x + 1) = 4x - 5 ← distribute parenthesis on left side

12x + 6 = 4x - 5 ( subtract 4x from both sides )

8x + 6 = - 5 ( subtract 6 from both sides )

8x = - 11 ( divide both sides by 8 )

x = - \frac{11}{8}

7 0
2 years ago
What is the y intercept of x=14
Sophie [7]

Answer:

Step-by-step explanation:

x=14 is a vertical line with undefined slope

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6 0
3 years ago
What is the common denominator of 1 out of 4 and 2 out of 3?​
Svetradugi [14.3K]

Answer:

12

Step-by-step explanation:

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4 0
2 years ago
Please help me somebody!!! I really struggle with this in math class!
Tresset [83]

Answer:

y - 9 = -\frac{4}{3}(x - 3)  

Step-by-step explanation:

Given the points (3, 9) and (9, 1), we must first solve for the slope of the line before proceeding with writing the point-slope form.

In order to solve for the slope (<em>m </em>), use the following formula:

m = (y₂ - y₁)/(x₂ - x₁)

Let (x₁, y₁) =  (3, 9)

     (x₂, y₂) = (9, 1)

Substitute these values into the given formula:

m = (y₂ - y₁)/(x₂ - x₁)

m = (1 - 9)/(9 - 3)

m = \frac{-8}{6} = \frac{-4}{3}

Therefore, the slope of the line, m = -4/3.

Next, using the slope, m = -4/3, and one of the given points, (x₁, y₁) = (3, 9), substitute these values into the following point-slope form:

y - y₁ = m(x - x₁)

y - 9 = -\frac{4}{3}(x - 3)  ⇒ This is the <u>point-slope form</u>.

4 0
2 years ago
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