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miv72 [106K]
3 years ago
13

How does knowing ways to arrange 18 chairs in equal rows help you find factors of 18?

Mathematics
1 answer:
Olegator [25]3 years ago
4 0
So that each row can have the same number of chairs.

18 = 1 x 18
18 = 2 x 9
18 = 3 x 6

so we can arrange them:

1 row of 18 chairs
2 rows of 9 chairs
3 rows of 6 chairs


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In a cohort of 35 graduating students, there are three different prizes to be awarded. If no student can receive more than one p
sweet [91]

We have been given in a cohort of 35 graduating students, there are three different prizes to be awarded. We are asked that in how many different ways could the prizes be awarded, if no student can receive more than one prize.

To solve this problem we will use permutations.

_{r}^{n}\textrm{P}={_{3}^{35}\textrm{P}}

We know that formula for permutations is given as

_{r}^{n}\textrm{P}=\frac{n!}{(n-r)!}

On substituting the given values in the formula we get,

{_{3}^{35}\textrm{P}}=\frac{35!}{(35-3)!}=\frac{35!}{32!}

=\frac{35\cdot 34\cdot 33\cdot 32!}{32!}\\
\\
=35\cdot 34\cdot 33=39270

Therefore, there are 39270 ways in which prizes can be awarded.


6 0
3 years ago
If i have 1000 dollars and lose 1000 dollars how much do i have left 100 points
Scrat [10]

The mathematical answer would happen to be... 0

3 0
3 years ago
Read 2 more answers
A bouquet of flowers contains a total of 24 red and white roses. The number of red roses is 4 less than three times the number o
geniusboy [140]

Answer:

White roses - 7

Red roses - 17

Step-by-step explanation:

Set up proportional equations

White roses = x

Red roses = 3x - 4

Set equal to 24

x + 3x - 4 = 24

4x - 4 = 24

4x = 28

x = 7

x is white roses, so there are 7

Plug x value into red rose equation

3(7)-4

21-4 = 17 red roses

Check

17+7 = 24

5 0
3 years ago
Select the correct answer. If the graphs of the linear equations in a system are parallel, what does that mean about the possibl
Studentka2010 [4]

Answer:

there are no solutions if two linear equations are parallel to each other.

*B. no sloution

7 0
3 years ago
How in the heck do I do this?​
Fudgin [204]

The measure of a triangle is 180 degrees. In other words the sum of the angles of a triangle is 180 degrees

To solve for x set all of the expressions of angles equal to 180 and isolate x

11x - 3 + 7x + 5 + 13x - 8 = 180

31x + (- 6 + 6) = 180 + 6

31x/31  = 186 / 31

x = 6

To find the measure of each angle plug 6 into the x into each individual expression

Hope this helped!

6 0
3 years ago
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