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Molodets [167]
3 years ago
15

3/11 divided by 2/9 equals what

Mathematics
2 answers:
KonstantinChe [14]3 years ago
7 0

Answer: 1 and 5/22

Step-by-step explanation: In this problem, we have 3/11 divided by 2/9. Dividing by a fraction is the same as multiplying by its reciprocal. In other words, we can change the division sign to multiplication and flip the second fraction.

So, 3/11 ÷ 2/9 can be rewritten as 3/11 × 9/2.

Now, we are simply multiplying fractions. To multiply fractions, we multiply across the numerators and multiply across the denominators.

(\frac{3}{11}) (\frac{9}{2}) = \frac{27}{22}

The fraction 27/22 can be written as a mixed number by dividing the denominator into the numerator.

Image provided.

Therefore, 3/11 divided by 2/9 = 1 and 5/22.

Grace [21]3 years ago
6 0

Answer:

When dividing fraction, it's always a good idea to use the copy-dot-flip method, or copy-dot-reciprocal.

So in this example it would be

3/11 * 9/2 = 1.227 or 1.22

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Answer:

\large \boxed{\sf \ \ \dfrac{1}{x^2}+\dfrac{1}{x^2+x}=\dfrac{2x+1}{x^2(x+1)} \ \ }

Step-by-step explanation:

Hello,

This is the same method as computing for instance:

\dfrac{1}{2}+\dfrac{1}{3}=\dfrac{3+2}{2*3}=\dfrac{5}{6}

We need to find the same denominator.

Let's do it !

For any x real different from 0, we can write:

\dfrac{1}{x^2}+\dfrac{1}{x^2+x}=\dfrac{1}{x^2}+\dfrac{1}{x(x+1)}\\\\=\dfrac{x+1+x}{x^2(x+1)}=\dfrac{2x+1}{x^2(x+1)}

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

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