Which of the following lists of numbers is closed under division?

Mathematics

2 answers:

krok68 [10]2 years ago

8 0

Answer:

The set of rational numbers is closed under addition, subtraction, multiplication, and division (division by zero is not defined) because if you complete any of these operations on rational numbers, the solution is always a rational number

Step-by-step explanation:

Alex2 years ago

5 0

Rational number :) thank you

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2 years ago

<img src="https://tex.z-dn.net/?f=%5Ctext%7BSolve%20for%20x%3A%7D%5C%5C%5C%5C3x%20%2B%2065%20%3D%20523%5C%5C%5C%5C%5Ctext%7BThan

Vlad1618 [11]

Hi there!

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I believe your answer is:

${x=152.666....$

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Here’s why:

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$\boxed{\text{Solving for x...}}\\\\3x+ 65= 523\\----------\\\rightarrow 3x + 65 - 65=523-65\\\\\rightarrow 3x = 458\\\\\rightarrow\frac{3x = 458}{3}\\\\\rightarrow \boxed{x=152.666....}$

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Hope this helps you. I apologize if it’s incorrect.

7 0

2 years ago

Read 2 more answers

HELP PLEASE????????????????????

lora16 [44]

Answer:

20x - 8

Step-by-step explanation:

Since we have the length and height of the rectangle we just multiply each by 2. This is because the length is the same on both sides and the height is too. The equation would look like this:

(5x-4 + 5x -4) + (5x +5x) = 10x -8 + 10 x = 20x -8

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2 years ago

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Find the area of the figure shown in square inches.

OLEGan [10]

Answer:

26in^2

Step-by-step explanation:

5 time 4 is 20in^2. plus 2 times 3 is 6in^2.

add 20 and 6 then you get 26in^2.

3 0