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3 years ago

Is the Square root of 18 divided by 3 a rational or irrational number? explain using full sentences

Mathematics

1 answer:

weeeeeb [17]3 years ago

6 0

Answer:

irrational

Step-by-step explanation:

$\sqrt{18}$ = $\sqrt{9}$ · $\sqrt{2}$ which is the same as 3 $\sqrt{2}$

3 $\sqrt{2}$ divided by 3 equals $\sqrt{2}$ , which is irrational

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2 years ago

Devisibility rules for 3, 6, and 9

fenix001 [56]

Answer:

★ Divisibility rule for 3 -

If the sum of all the digits divisible by 3 then the number is divisible by 3.

Here, we take an example for better understanding -

Example 1 - 3525

Add up the digits - 3 + 5 + 2 + 5

→ 15

As, 15 is divisible by 3. So, 3525 is a factor of 3.

★ Divisibility rule for 6 -

A number is to be divisible by 6 , if the number is also divisible by 2 and 3.

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Add up the digits = 1 + 3 + 2 = 6

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3 years ago

The area of a

natali 33 [55]

area=l×w

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2 years ago

Is the Square root of 18 divided by 3￼ a rational or irrational number? explain using full sentences

Is the Square root of 18 divided by 3 a rational or irrational number? explain using full sentences