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Katena32 [7]
1 year ago
11

The Science Club has 30 members and needs to elect officers. They will need a President, Vice President, Secretary, Treasurer, a

nd Historian. How many ways can a 5-member committee be formed?
A. 150
B. 3735
C. 142,506
D. 17,100,720
Mathematics
1 answer:
Ludmilka [50]1 year ago
3 0

The number of ways can a 5-member committee be formed will be C. 142,506. This is illustrated through permutations and combination.

<h3>How to calculate the value?</h3>

From the information, the Science Club has 30 members and needs to elect officers. They will need a President, Vice President, Secretary, Treasurer, and Historian.

The number of ways can a 5-member committee be formed will be:

= 30!/(30 - 5)!5!

= 30!/25!5!

= (30 × 29 × 28 × 27 × 26)/(5 × 4 × 3 × 2 × 1)

= 142506

Learn more about permutations on:

brainly.com/question/4658834

#SPJ1

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5 of 8
aleksandr82 [10.1K]

Given:

The mean age of 5 people in a room is 26 years.

A person enters the room. The mean age is now 33.

To find:

The age of the person who entered the room.

Solution:

Formula for mean:

\text{Mean}=\dfrac{\text{Sum of observations}}{\text{Number of observations}}

The mean age of 5 people in a room is 26 years.

26=\dfrac{\text{Sum of ages of 5 people}}{5}

26\times 5=\text{Sum of ages of 5 people}

130=\text{Sum of ages of 5 people}

The mean age is now 33. It means, the mean age of 6 people is 33.

33=\dfrac{\text{Sum of ages of 6 people}}{6}

33\times 6=\text{Sum of ages of 6 people}

198=\text{Sum of ages of 6 people}

Now, the age of the person who entered the room is

Required age = Sum of ages of 6 people - Sum of ages of 5 people

                       = 198-130

                       = 68

Therefore, the age of the person who entered the room is 68 years.

6 0
3 years ago
Guys sssssssssss 20charsssssssssssssssssssssssssss
Radda [10]

Answer: btw ratio

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
X^2-5x-6<br> X^2+3x-40<br> X^2+3x-4
luda_lava [24]

x² - 5x - 6

= x² + x - 6x - 6

= x(x + 1) - 6(x + 1)

= (x - 6) (x + 1)

x² + 3x - 40

= x² + 8x - 5x - 40

= x(x + 8) -5(x + 8)

= (x - 5) (x + 8)

x² + 3x - 4

= x² + 4x - x - 4

= x(x + 4) -1(x + 4)

= (x - 1) (x + 4)

4 0
3 years ago
The answer has to be a simplified fraction ?
Vedmedyk [2.9K]

Answer:

-\frac{27}{35}

Step-by-step explanation:

Multiply \frac{3}{7} (-\frac{9}{5}).

8 0
3 years ago
What is the equation of the line that is parallel to the given
Sati [7]

i don't really get the part after the (-4,-6) , what did u write there

8 0
3 years ago
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