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2 years ago

Which of the following sets is closed under division?

2 answers:

6 0

For the answer to the question on which of the following sets is closed under division. I think the answer to this question is only non-zero rational numbers are closed under division.
So the answer would be the fourth one.
I hope my answer helped you. Have a nice day!

SpyIntel [72]2 years ago

4 0

The correct answer will be (D) non-zero rational numbers

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Perform the indicated operation of 4.2+1.9

kykrilka [37]

Answer:

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Step-by-step explanation:

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3 years ago

Solve for x in the equation x² - 4x - 9 = 29.

alexandr1967 [171]

Answer: First option.

Step-by-step explanation:

1. To solve this problem you can applly the quadratic formula, which is shown below:

$x=\frac{-b+/-\sqrt{b^{2}-4ac}}{2a}$

2. The quadratic equation is:

$x^{2}-4x-9-29=0\\x^{2}-4x-38=0$

3. Then:

a=1

b=-4

c=-38

4. Therefore, when you substitute these values into the quadratic formula, you obtain the following result:

$x=\frac{-(-4)+/-\sqrt{(-4)^{2}-4(1)(-38)}}{2(1)}$

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2 years ago

Read 2 more answers

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WARRIOR [948]

Answer:

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Step-by-step explanation:

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2 years ago

Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Anon25 [30]

Answer:

A) 40

B) 20

Step-by-step explanation:

By Length · Width · Height

A) (5) · (4) · (2) = 40

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2 years ago

What is the enlargement ratio if you enlarge the figure to have a width of 16 units and length of 12 units

Fantom [35]

Answer:

The enlargement ratio is 3:4

Step-by-step explanation:

We are given

a width of 16 units and length of 12 units

so,

$W=16$