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frosja888 [35]
3 years ago
15

Decide if the situation involves​ permutations, combinations, or neither. explain your reasoning. the number of ways 12 people c

an line up in a row for concert tickets.the number of ways 12 people can line up in a row for concert tickets.
Mathematics
1 answer:
melisa1 [442]3 years ago
8 0
Imagine that 12 people are deciding who is the first in queue. Each of them can be first, then you have 12 ways to choose somebody to be the first. Then remains 11 people and you have 11 ways to select who will be the second in queue. Then from 10 people you can choose in 10 ways who will be the third in queue, from 9 you have 9 ways to choose who will be the 4th and so on.
Using the product rule, you obtain that you have 
12\cdot 11\cdot 10\cdot 9\cdot 8\cdot 7\cdot 6\cdot 5\cdot 4\cdot 3\cdot 2\cdot 1=12!
possible ways <span>line up in a row 12 people for concert tickets. So, this situation involves permutations.</span>

Answer: 12!
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On sale , the original price of every jacket in a store is reduced by 20% . Later , this sale price is further reduced by anothe
dimulka [17.4K]

Answer:

40%

Step-by-step explanation:

20% + 20% = 40%

Hope this helps!

4 0
3 years ago
(01.02 LC)Simplify negative 3 and 1 over 9 − negative 8 and 1 over 3.
blsea [12.9K]

As we are given with

-3\frac{1}{9}-(-8\frac{1}{3})\\\\

we are supposed to simplify this expression. which can be done as below

\\=-3\frac{1}{9}+8\frac{1}{3}\\\\=\frac{-28}{9}+\frac{25}{3}\\\\=\frac{-28+75}{9}\\\\=-\frac{47}{9}\\

=5\frac{2}{9}

6 0
3 years ago
Samantha read 22 books in 4 months. How many books would she read in 10 months?
kari74 [83]

Well first let's find out how many books she reads in 1 month.
1) 22 (books) ÷4 (months)=5.5 she reads 5.5 books in one month.
Now we multiply 5.5 by the amount of months she will be reading.
2) 5.5 (books) ×10 ( months)=55 books
SAMANTHA WILL READ 55 BOOKS IN 10 MONTHS

8 0
3 years ago
Malik wanted to make a cube frame out of a long wire 150 cm. If the volume of the cube is 2 197 cm³, is the length of the wire s
Rama09 [41]

Answer:

The wire is sufficient for making a cube of volume 2197 cm³

Step-by-step explanation:

Volume of cube = L³

Volume of the cube = 2197 cm³

Length of the wire = 150 cm

Let's see if the wire is sufficient for making a cube.

Volume of the cube that could be made from the wire is:

V = (L)³

V = (150)³

V = 3,375,000 cm³

So,

The volume of the cube using a 150 cm length wire is much more grater than 2197 cm³.

That is why, the wire is sufficient for making a cube of volume 2197 cm³.

4 0
2 years ago
HELP FAST PLS!What value of x makes the equation true? 36/63 = x/7<br> A. 2 B. 3 C. 4 D. 6
taurus [48]
The answer is 4.

36/63 = 0.57
4/7 = 0.57
6 0
3 years ago
Read 2 more answers
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