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Luden [163]
3 years ago
5

Is 21.99114858 a rational number?

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
8 0

Answer:

yes

Step-by-step explanation:

Luda [366]3 years ago
7 0

Answer:yes

Step-by-step explanation:

idk

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How many ways can 5 people be arranged in a line?
Rasek [7]

Answer: 120 ways

Step-by-step explanation: In this problem, we're asked how many ways can 5 people be arranged in a line.

Let's start by drawing 5 blanks to represent the 5 different positions in the line.

Now, we know that 5 different people can fill the spot in the first position. However, once the first position is filled, only 4 people can fill the second spot and once the second spot is filled, only 3 people can fill the third spot and so on. So we have <u>5</u> <u>4</u> <u>3</u> <u>2</u> <u>1</u>.

Now, based on the counting principle, there are 5 x 4 x 3 x 2 x 1 ways for all 5 spots to be filled.

5 x 4 is 20, 20 x 3 is 60, 60 x 2 is 120, and 120 x 1 is 120.

So there are 120 ways for all 5 spots to be filled which means that there are 120 ways that 5 people can be arranged in a line.

I have also shown my work on the whiteboard in the image attached.

7 0
3 years ago
Its worth 30 points plzzz answer                                                                                               
vladimir2022 [97]

i think the answer is 60xT


or  120 liters per minutes

6 0
3 years ago
What is the value of x? <br><br> 5 sqrt 2<br> 10 sqrt 2<br> 5<br> 10
vitfil [10]
Hey there! :D

So, basically, you could say that "x" is equal to both of the legs. 

We also know that in 45-45-90 triangles, x*√2= the hypotenuse

Given this information, if we were to divide 10 by the √2, we would get:

10/√2= 7.071..... 

5√2= 7.071....

5√2 is the answer. 

I hope this helps!
~kaikers 
6 0
3 years ago
A comedy show will be held this Friday at the local theater. Tickets are $9 each. The theater has 828 seats. How much money will
konstantin123 [22]

Answer: $ 7452.00

Step-by-step explanation:

3 0
3 years ago
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X^2+6x-9=0 what is the solutions
Serjik [45]

Answer:

The answer is x=-3 +_ 3 square root 2

Step-by-step explanation:


3 0
3 years ago
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