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crimeas [40]
3 years ago
14

There are 4 Board of Directors positions open. 2 will be for men, 2 will be for women.

Mathematics
1 answer:
laiz [17]3 years ago
3 0

Answer:

1980 total outcomes are possible.

Step-by-step explanation:

The order in which the candidates are chosen is not important. So we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

How many total outcomes are possible?

2 men, from a set of 11.

2 women, from a set of 9.

So

T = C_{11,2}*C_{9,2} = \frac{11!}{2!9!}*\frac{9!}{2!7!} = 1980

1980 total outcomes are possible.

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Segment AB is completely rotated about the y-axis to form a 3-D figure. Find the volume of the figure. The
Lady bird [3.3K]

Answer:

The volume of the figure is 905 cubic units.

Step-by-step explanation:

Rotation is a method of solid transformation which involve turning a given line, or object about a reference point. In the given question, rotating segment AB completely about the y-axis would form a 3 dimensional figure of a sphere.

volume of a sphere = \frac{4}{3}\pir^{3}

where r is the radius of the sphere.

Given that AB = 6, then the radius of the sphere = 6

volume of sphere = \frac{4}{3} x \frac{22}{7} x (6)^{3}

                              = \frac{88}{21} x 216

                              = 905.14

volume of sphere = 905 cubic units

The volume of the figure is 905 cubic units.

3 0
2 years ago
What is the product of (2p + 7)(3p2 + 4p – 3)?
Margaret [11]
6p^3+29p^2+22p-21 i believe!
3 0
2 years ago
Identify the nonlinear graph A)A B)B C)C D)D​
pashok25 [27]
I cant read the letters but the bottom left is nonlinear
4 0
2 years ago
there are 5 green marbles, 4 red marbles, and 3 yellow marbles in a bag. John selects a marble at random, keeps it, and then sel
Daniel [21]

Answer:

1/22

Step-by-step explanation:

  1. 12 total marbles
  2. 5/12 - 1/1 = 4/11
  3. 4/11 - 1/1 = 3/10
  4. 5/12 × 4/11 × 3/10 = 1/22
3 0
2 years ago
The volume of a cylinder is 32.25 cubic inches. If a cone has the same height and radius as the cylinder, what is its volume?
PtichkaEL [24]

The volume of a cylinder with a radius r and a height h:

V_1=\pi r^2h

The volume of a cone with a radius r and a height h:

V_2=\dfrac{1}{3}\pi r^2h

Therefore

V_2=\dfrac{1}{3}V_1

We have V_1=32.25\ in^3

Substitute:

V_2=\dfrac{1}{3}\cdot32.25=10.75\ in^3

Answer: The volume of a cone is equal 10.75 in³

8 0
3 years ago
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