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leonid [27]
3 years ago
10

I need help fast!!!! 20 points and brainliest to whoever gets it right

Mathematics
2 answers:
Alexandra [31]3 years ago
3 0

Answer:

rational numbers - 5.01212121212..., -5/250, √400

irrational numbers - √1000, ∛30, 0.01562138411...

Explanation:

rational numbers are any numbers that can be expressed as a ratio. whole numbers and integers are also counted as rational numbers.

5.01212121212... is a recurring number, which means that it can be written as a fraction. therefore, it is a rational number.

√1000 cannot be expressed as a fraction, which makes it an irrational number.

∛30 cannot be expressed as a fraction, so it is irrational.

-5/250 is a fraction, making it a rational number.

0.01562138411..., also cannot be expressed as a fraction since it is a non-terminating number. it is irrational.

√400 = 20, which is a whole number, thus it is rational.

i hope this helps! :D feel free to comment if you need to ask me anything.

Ann [662]3 years ago
3 0

Answer:

Imma just tell you

Step-by-step explanation:

The one above is so precise and right! There is no way of me beating that explanation, so Imma tell ya'll- THE ONE ABOVE THIS ONE IS ABSOLUTELY CORRECT! ~ Thank you

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Proving Triangles Similar CFU
Liula [17]

Answer:

yes

they are similar because they are proportionally related

YRW

4 0
3 years ago
The product of a number w and 73
wolverine [178]
W times 73 because product means multiply
3 0
4 years ago
Can someone help me ​
Slav-nsk [51]

9514 1404 393

Answer:

  M = 7x² +21

Step-by-step explanation:

Subtract the unwanted terms on the left from both sides.

  (-7x² +6x -16) + M = 6x +5

  M = 6x +5 -(-7x² +6x -16)

  M = 7x² +21 . . . . simplify

5 0
3 years ago
PLEASE ANSWERERRREEERRR
Vladimir79 [104]

the operation:

2*10^1 - 4*10^0 = 20 - 4 = 16

Gives a square number.

<h3>How to get a perfect square?</h3>

A perfect square is the product of a number and itself.

As you can see in the example, 16 is a square number. Then let's try to get 16.

To get 16 we can use the difference:

20 - 4

So the first therm needs to be equal to 20, and the second equal to 4.

To write 20 in scientific notation we have:

2*10^1

To write 4 in in scientific notation:

4*10^0

Then the operation:

2*10^1 - 4*10^0 = 20 - 4 = 16

Gives a square number.

If you want to learn more about square numbers:

brainly.com/question/21694652

#SPJ1

5 0
2 years ago
The inhabitants of the island of jumble use the standard kobish alphabet ($20$ letters, a through t). each word in their languag
rjkz [21]
We know that

<span>1. The number of all 4-letter words written using the alphabet of 20 symbols (from A to T) is 
20</span><span>^4=160,000
</span><span>
 2. The number of all 4-letter words written using the alphabet of 19 symbols (from B to T) is 
19</span><span>^4=130,321
</span><span>
 3. The difference represents exactly the number of all words of the inhabitants of the island of Jumble
difference=</span>(160,000-130,321)= 29679.

the answer is
29679
7 0
3 years ago
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