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Ierofanga [76]
1 year ago
13

in how many ways can a club choose a president, a treasurer, a secretary, and three other committee members (with identical duti

es) from a group of 13 candidates?
Mathematics
1 answer:
madreJ [45]1 year ago
6 0

The ways to select the candidates from the total is 1716

<h3>How to determine the ways of selection?</h3>

From the question, we have

  • Total number of candidate, n = 13
  • Numbers to selection, r = 6 i.e. the president, a treasurer, a secretary, and three other committee members

The number of ways of selection could be drawn is calculated using the following combination formula

Total = ⁿCᵣ

Where

n = 13 and r = 6

Substitute the known values in the above equation

Total = ¹³C₆

Apply the combination formula

ⁿCᵣ = n!/(n - r)!r!

So, we have

Total = 13!/7!6!

Evaluate

Total = 1716

Hence, the number of ways is 1716

Read more about combination at

brainly.com/question/11732255

#SPJ1

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agasfer [191]

Answer: 16/81 (x-10)^2 -4

Step-by-step explanation:

To write a vertex equation with just a point and the vertex, you have to figure out the variables.

In vertex form, the equation is y = a (x-h)^2 + k

Your y is 12, x = 1, h = 10, and k = -4

Plug everything into equation

12 = a (1 - 10)^2 -4

12 = a (-9)^2 - 4

12 = 81a - 4

16 = 81a

16/81 = a

Now you know what the 'a' value is.

If you graph 16/81 (x-10)^2 -4 , you will get a point at (1,12) and a vertex of (10,-4)!

I hope this helps!

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3 years ago
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quester [9]

Answer:

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Step-by-step explanation:

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sleet_krkn [62]
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Answer:

2,826

Step-by-step explanation:

A tenth is the first place value after the decimal point

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To round a number to the tenths place, we look at the hundredths place

If the number is 5 or more, we add 1 to the tenths place, and leave the numbers to the right 0's

If the number is 4 or less, we keep the number as it is in the tenths place, and leave the numbers to the right 0's

In this case, the hundredths place is a 0, which is less than 4, so we keep the 0 in the tenths place, and leave the to the right 0's.

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