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Gnesinka [82]
2 years ago
13

In the student council elections, five students are running for president, two are running for vice president, two are running f

or treasurer and three are running for secretary. How many different possible student council teams could be elected from these students?
​
Mathematics
1 answer:
ki77a [65]2 years ago
6 0

Using the Fundamental Counting Theorem, it is found that 60 different possible student council teams could be elected from these students.

<h3>What is the Fundamental Counting Theorem?</h3>

It is a theorem that states that if there are n things, each with n_1, n_2, \cdots, n_n ways to be done, each thing independent of the other, the number of ways they can be done is:

N = n_1 \times n_2 \times \cdots \times n_n

Considering the number of options for president, vice president, treasurer and secretary the parameters are:

n1 = 5, n2 = 2, n3 = 2, n4 = 3.

Hence the number of different teams is:

N = 5 x 2 x 2 x 3 = 60.

More can be learned about the Fundamental Counting Theorem at brainly.com/question/24314866

#SPJ1

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The article "Snow Cover and Temperature Relationships in North America and Eurasia"† used statistical techniques to relate the a
poizon [28]

Answer:

Step-by-step explanation:

From the given information,

The ten observation data on october  snow cover for Eurasia  during the years is 6.5, 12.0, 14.9, 10.0, 10.7, 7.9, 21.9, 12.5, 14.5, 9.2

What would you report as a representative, or typical, value of October snow cover for this period, and what prompted your choice?

For the given data, 21.9 is an outlier, so trimmed mean would be good choice for the researcher,

Remove the smallest and the largest values to compute the trimmed mean

\bar x = \frac{12.0+14.9+10.0+10.7+7.9+12.5+14.5+9.2}{8} \\\\=\frac{91.7}{8} \\\\=11.465

6 0
3 years ago
Solve the equation of exponential decay.
BabaBlast [244]

Answer:

$9,220,000(0.888)^t

Step-by-step explanation:

Model this using the following formula:

Value = (Present Value)*(1 - rate of decay)^(number of years)

Here, Value after t years = $9,220,000(1 -0.112)^t

          Value after t years =  $9,220,000(0.888)^t

3 0
4 years ago
Paul owes Paula 35 cents and has a pocket full of 55-cent coins, 10-cent coins, and 25-cent coins that he can use to pay her. Wh
dolphi86 [110]
3
he could use:
1x55 cent coin
1x10 + 1x25 cent coins
4x10 cent coins

4-1=3
8 0
3 years ago
Read 2 more answers
2. Using Vièta's theorem, find the solutions to the equation. a) x^2 - 3x + 2 = 0 b) x^2 + 2x - 15 = 0.
olga_2 [115]

Given:

\begin{gathered} x^2-3x+2=0 \\ x^2+2x-15=0 \end{gathered}

Required:

We need to find the solution by Vièta's theorem.

Explanation:

Compare 1st equation with

ax^2+bx+c=0

we get

\begin{gathered} a=1 \\ b=-3 \\ c=2 \end{gathered}

Vièta's theorem is

\begin{gathered} x_1+x_2=-\frac{b}{a} \\ x_1x_2=\frac{c}{a} \end{gathered}

\begin{gathered} x_1+x_2=3 \\ x_1x_2=2 \end{gathered}

now solve this equation and we get

\begin{gathered} x_1=1 \\ x_2=2 \end{gathered}

because addition of 1 and 2 is 3 and multiplication is 2

Now for 2nd equation

\begin{gathered} a=1 \\ b=2 \\ c=-15 \end{gathered}

apply Vièta's theorem

\begin{gathered} x_1+x_2=-2 \\ x_1x_2=-15 \end{gathered}

by this

\begin{gathered} x_1=3 \\ x_2=-5 \end{gathered}

because addition of 3 and -5 is -2 and multiplication is -15

8 0
1 year ago
Please help me!!! i will gladly give brainliest :)
True [87]

Given:

ΔONP and ΔMNL.

To find:

The method and additional information that will prove ΔONP and ΔMNL similar by the AA similarity postulate?

Solution:

According to AA similarity postulate, two triangles are similar if their two corresponding angles are congruent.

In ΔONP and ΔMNL,

\angle ONP\cong \angle MNL       (Vertically opposite angles)

To prove ΔONP and ΔMNL similar by the AA similarity postulate, we need one more pair of corresponding congruent angles.

Using a rigid transformation, we can prove

\angle NOP\cong \angle NML

Since two corresponding angles are congruent in ΔONP and ΔMNL, therefore,

\Delta ONP\sim \Delta MNL        (AA postulate)

Therefore, the correct option is A.

8 0
3 years ago
Read 2 more answers
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