3 years ago

Which of the following is a rational number?

Mathematics

1 answer:

vagabundo [1.1K]3 years ago

7 0

Answer:

Step-by-step explanation:

E is the only option where the answer would be a non--repeating answer, which is pretty much the definition of a rational number.

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shusha [124]

<h3>Answer: B) 6</h3>

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Explanation:

Add the equations by adding the terms straight down.

The x terms add to x+x = 2x.

The y terms add to y+(-y) = y-y = 0y = 0, so the y terms go away

The constants add to 5+7 = 12

The z terms add to -z+z = 0z = 0 and those go away as well

After all that adding, we have 2x = 12 which solves to x = 6 after dividing both sides by 2.

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3 years ago

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nexus9112 [7]

Hello!

The formula for area of a circle is $\pi r^{2}$

$\pi$ is 3.14 (which is 22/7), and r stand for the radius, which is half of the diameter. If the diameter is 28 cm, the radius is 14 cm.

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616

Answer:
Approximately 616 cm $^{2}$ .

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Step-by-step explanation:

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3 years ago

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ki77a [65]

Answer:

Horizontal line (parallel to x-axis) with y intercept at -5