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3 years ago

PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER

Mathematics

2 answers:

maks197457 [2]3 years ago

7 0

Answer:

2+9i

Step-by-step explanation:

3+4i - ( 1-5i)

Distribute the minus sign

3+4i -1 +5i

Combine the real parts

3-1=2

Combine the imaginary parts

4i +5i = 9i

2+9i

Veseljchak [2.6K]3 years ago

4 0

3+4i - 1 + 5i= 2 + 9i

the answer to the question is d

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3 years ago

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BabaBlast [244]

Their ratio would be: Cookie / Donut = 4/3
Let, the amount of money earned from Donut = x
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3 years ago

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Marysya12 [62]

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3 years ago

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3 years ago

1. what is the area of the board shown on the scale drawing? explain how you found the area.2. how can Adam use the scale factor

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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1 year ago