3 years ago

Which of the following is a rational number?

Mathematics

1 answer:

Klio2033 [76]3 years ago

5 0

Answer:

√25

Step-by-step explanation:

√25 = √(5²) = 5 . . . . a rational number

The other roots are not the roots of perfect squares, so are irrational.

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After 2 females leave a party, there are twice as many males as females. Then 9 males leave and there are twice as many females

ira [324]

Answer: 9 people are left at the party

Step-by-step explanation:

There was originally 8 females and 12 males

8-2 = 6

Twice the males as females

9 men leave which leaves 3 men and 6 women which is twice as many men

Hope this helps!

8 0

3 years ago

√−100 = ___ +_____i<br> ...

Natalija [7]

Answer:

Step-by-step explanation:

Rewrite this as

$\sqrt{(-1)(100)}$

Knowing that i-squared = -1:

$\sqrt{(i^2)(100)}$

Both i-squared and 100 are perfect squares, so this simplifies to

±10i

7 0

3 years ago

I will mark as brainest

daser333 [38]

subtract 3 from 23 and u will get 20 then divide 2 by 2 and 2 by 20

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3 years ago

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netineya [11]

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8 0

3 years ago

How do you solve <img src="https://tex.z-dn.net/?f=3%5E%7Bx%7D%20%3D%20%5Cfrac%7B1%7D%7B9%7D" id="TexFormula1" title="3^{x} = \f

madam [21]

3 to the 2nd power would be 9… so to make it a -9 or 1/9 it would be 3 to the -2nd power

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2 years ago

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