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irina [24]
2 years ago
11

Real numbers are ________ under addition. Integers are______ under division. Irrational numbers are _______ under multiplication

. Rational numbers are ______ under subtraction.
Options:

closed

or 

not closed
Mathematics
1 answer:
nata0808 [166]2 years ago
6 0
<span>Real numbers are closee under addition.

Explanation: that means that the addtion of two real numbers is always a real number.


Integers are not closed under division.

Explanaton: that means that when  you dived an integer number by another integer number the result may be a non integer number.


Irrational numbers are not closed under multiplication.

Explanation: that means that the multiplication of two irrational numbers may result in a rational number.

Rational numbers are closed  under subtraction.

Explanation: that means that the result of the subtraction of rational numbers is always a rational number.
</span>
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Five to the 25th power equals what
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2.9802322e+17

Step-by-step explanation:

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Whitch is the value of this expression when a=5 and k=-2
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25/9

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25/9

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Ahmad has $x. Abu has $5 more than Ahmad. Razak has twice as much as Abu. Together they have $175. What is the value of x?
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Abu X + 5

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Place pi squared, 10, and square root of 70 in least to greatest
Nutka1998 [239]

Answer:

squaare root of 70<pi squared<10

Step-by-step explanation:

Talking about square root of 70, you can take the answer by approximation. u know square of eight is sixty four and square of nine is eighty one. so 70's square root shluld be between eight and nine. And as the value of pi is 3.14... when square of pi is considerd it should be >9 but <10 as pi>3. So 10 become te greatest

3 0
3 years ago
Which is the completely factored form of the following equation?<br><br> 4a4b2−21a2b+5=0
r-ruslan [8.4K]

The completely factored equation is (a²b - 5)(4a²b - 1)

<h3>How to factor equation?</h3>

4a⁴b² - 21a²b + 5 = 0

let's expand the equation

Therefore,

4a⁴b² - 21a²b + 5 = 0

4a⁴b² - 20a²b  - a²b + 5 = 0

Rearrange the equation

4a⁴b² - a²b  - 20a²b + 5 = 0

Let's factorise the equation

4a⁴b² - a²b  - 20a²b + 5 = 0

a²b(4a²b - 1) - 5(4a²b - 1) = 0

Therefore, the completely factored equation is as follows:

a²b(4a²b - 1) - 5(4a²b - 1) = 0

(a²b - 5)(4a²b - 1)

learn more on equation here: brainly.com/question/8842252

#SPJ1

4 0
1 year ago
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