2 years ago

1221 is divisible by 11?

1 answer:

6 0

Answer:

Step-by-step explanation: If you divide 1221 by 11 and the quotient is a whole number without a reminder, then 1221 is divisible by 11.

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notsponge [240]

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netineya [11]

Answer:

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Step-by-step explanation:

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Vlad1618 [11]

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2 years ago

Grace [21]

Answer:

The length side of the triangle is $\frac{10\sqrt{3}}{3}\ cm$

Step-by-step explanation:

we know that

The equilateral triangle has three equal sides and three equal internal angles of measure of 60 degrees each.

Let

b------> the length side of the equilateral triangle

Applying Pythagoras theorem

$b^{2}=(b/2)^{2}+5^{2}\\\\ b^{2}-(b/2)^{2}=25\\\\ (3/4)b^{2}=25\\ \\b^{2} =25*4/3\\ \\b=\frac{10}{\sqrt{3}}\ cm\\ \\b=\frac{10\sqrt{3}}{3}\ cm$

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3 years ago

natima [27]

I got 12 because each time you are dividing the number in half. Half of 24 is 12.

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3 years ago

1221 is divisible by 11?​