2 years ago

Qual é o resultado de 4^-3

Mathematics

1 answer:

alexira [117]2 years ago

5 0

Answer:

+€:€+_:_+-_+_-_:"+"+_:&+¯\_(ツ)_/¯

Step-by-step explanation:

¯\_(ツ)_/¯

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bixtya [17]

Answer:

1. 1800 square cm.

2. See below

3. 45000 square cm.

Explanation:

Part 1

The dimensions of the drawing are 36cm by 50cm.

$\begin{gathered} \text{The area of the board}=36\times50 \\ =1800\operatorname{cm}^2 \end{gathered}$

Part 2

Given a scale factor, k

If the area of the scale drawing is A; then we can find the area of the actual board by multiplying the area of the scale drawing by the square of k.

Part 3

$\begin{gathered} \text{Area of the scale drawing}=1800\operatorname{cm}^2 \\ \text{Scale Factor,k=5} \end{gathered}$

Therefore, the area of the actual drawing will be:

$\begin{gathered} 1800\times5^2 \\ =45,000\operatorname{cm}^2 \end{gathered}$

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Nadusha1986 [10]

Answer:

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