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3 years ago

Increase £300 by 10%

Mathematics

1 answer:

liraira [26]3 years ago

8 0

Answer:

hi theanswer is £30

Step-by-step explanation:

to find ten percent you need to in this case take away the end 0 and your answer will be £30

<h2><u><em>HOPE IT HELPS YOU PLEASE MARK AS BRAINLIEST</em></u></h2>

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kkurt [141]

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<u>SOLUTION:</u>

Given, the perimeter of a quadrilateral (four-side polygon) is 50 inches.

Let the length of shortest side be n inches. The longest side is three times as long as the shortest side.

That is, length of largest side = 3n inches

The other two sides are equally long and are 4 inches longer than the shortest side.

Then, length of remaining two sides = 4 + n inches

We have to find the length of all four sides.

Now, we know that, perimeter = 50 inches

$\begin{array}{l}{\rightarrow \text { Sum of all sides }=50} \\\\ {\rightarrow n+3 n+n+4+n+4=50} \\\\ {\rightarrow n+3 n+n+n=50-4-4} \\\\ {\rightarrow 6 n=42} \\\\ {\rightarrow n=7}\end{array}$

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Hi, i need to calculate roots x1 and x2 using the vieta theorem, can anyone help me? I have found the answer for x1 and x2, its

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