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natima [27]
2 years ago
12

35% is 7 out of what number?

Mathematics
2 answers:
e-lub [12.9K]2 years ago
4 0

Answer:

We already have our first value 7 and the second value 35. Let's assume the unknown value is Y which answer we will find out.

As we have all the required values we need, Now we can put them in a simple mathematical formula as below:

\sf  \longmapsto 7 = 35\% \times \: Y

\sf  \longmapsto \: 7 =  \frac{35}{100}  \times Y

\sf  \longmapsto \: Y = 7 \times  \frac{100}{35}

\sf  \longmapsto \: Y=7×100÷35

\sf \longmapsto \: Y = 20

Step-by-step explanation:

\sf\pink{HeavenMistress}

o-na [289]2 years ago
3 0

Answer:

The number is <u>20</u>.

Step-by-step explanation:

In this question, it is said that 35% of a number is equal to 7, then what is that number?

So, let the number be <em>x</em>.

Now, according to the question :

\begin{gathered} \begin{array}{l} \quad{\dashrightarrow{\sf{35 \% \: of \: x = 7}}}\\\\\quad{\dashrightarrow{\sf{\dfrac{35}{100} \: of \: x = 7}}}\\\\\quad{\dashrightarrow{\sf{\dfrac{35}{100}  \times x = 7}}}\\\\\quad{\dashrightarrow{\sf{\dfrac{35 \times x}{100} = 7}}}\\\\\quad{\dashrightarrow{\sf{\dfrac{35x}{100} = 7}}}\\\\\quad{\dashrightarrow{\sf{x = 7 \times \dfrac{100}{35}}}}\\\\\quad{\dashrightarrow{\sf{x =\dfrac{700}{35}}}}\\\\ \quad{\dashrightarrow{\sf{x = \cancel{\dfrac{700}{35}}}}}\\\\ \quad{\dashrightarrow{\sf{x =20}}}\\\\ \quad{\star{\underline{\boxed{\tt{\red{x =20}}}}}} \end{array}\end{gathered}

Hence, the number is 20.

\rule{300}{2.5}

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<h2>Hello!</h2>

The answer is:

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<h2>Why?</h2>

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7 0
3 years ago
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gtnhenbr [62]

Answer:

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Step-by-step explanation:

\pi {r}^{2}  + \pi {r}^{2}  + 2  \pi \: r h

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Multiplying the numerators and The whole numbers, we have

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Since the denominators of the fractions are the same, we add the numerators.

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