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Stella [2.4K]
3 years ago
6

What do you do to check whether a number is rational or irrational? In your explanation, use an example of an irrational and rat

ional number.
Can someone check my answer, please? I would deeply appreciate it.

"Rational numbers are numbers that can be written in fraction form. The numbers are all integers. Irrational numbers are numbers that cannot be written as a fraction. They are non-repeating and nonterminating decimals. For example 6.12385546972578945213666479952145412639854845256987452874526874125874........ Is an irrational number. And 1/6, 2,9, and 3/4 are all rational numbers."
Mathematics
1 answer:
nordsb [41]3 years ago
4 0
You have a good response. The only critique I can think of is to reduce the size of that massive decimal number. It doesn't have to be huge as long as it's a random string of digits. For example, e = 2.71828182846... is irrational since it has no pattern in the decimal portion. The decimal portion also goes on forever. 
You might be interested in
Help me please and thank you
Scorpion4ik [409]

Answer:

x = 20

y = 10

m∡8 = 110°

Step-by-step explanation:

m∡1 + m∡2 = 180

5x + y + 3x + y = 180

8x + 2y = 180

m∡1 = m∡8    (they are alternate-exterior angles and are congruent)

5x + y = 3x + 5y

2x = 4y

x = 2y

Substitute '2y' for 'x' in 8x + 2y = 180

8(2y) + 2y = 180

18y = 180

y = 10

x = 2(10)

x = 20

m∡8 = 3(20) + 5(10) = 110°

8 0
3 years ago
3 (5x - 6) + 2 (x + 8)
seraphim [82]

Answer:

x = 34/13

Step-by-step explanation:

3(5x - 6) + 2(x + 8)

15x - 18 = 2x + 16

15x = 2x + 34

13x = 34

x = 34/13

Best of Luck!

3 0
3 years ago
Read 2 more answers
Find the measure of MN¯¯¯¯¯¯¯¯¯¯.
Monica [59]

Answer:

MN-27

Step-by-step explanation:

the formula will be

NL×ML=KL^2

so substitute to get

24x=432

x=18

MN- 2x-9=2×18-9=27

5 0
3 years ago
A picture is 2” x 1.5”. Scale is 1:40cm. What are dimensions of original painting
Ann [662]
2*1.4=2.8
1.5*1.4= 2.1
New figure: 2.8 by 2.1
4 0
3 years ago
If letters of the word COMPUTER are randomly arranged in a row, what is the probability that the letters CO remain next to each
Mariana [72]

The probability that the letters CO remain next to each other (in order) as a unit is \frac{1}{8} .

<h3>What is probability?</h3>

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty. It is more likely that an event will occur if its probability is higher.

When the letters are arranged randomly in a row, the total number of arrangements is 40,320 , and the number of arrangements with the letters CO next to each other (in order) as a unit is 5,040.

Therefore, possible outcomes = 5040 and

Total outcomes = 40320

Probability = \frac{Possible outcomes}{Total outcomes}

p = \frac{5040}{40320} = \frac{1}{8}

Therefore, the probability that the letters CO remain next to each other (in order) as a unit is \frac{1}{8} .

To learn more about probability with the given link

brainly.com/question/11234923

#SPJ4

4 0
2 years ago
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