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Serga [27]
3 years ago
7

Which expression is equal to (−8−3i)+(3+4i)? A. −4 B. −11+7i C. −5+i D. 4

Mathematics
2 answers:
irakobra [83]3 years ago
6 0

-8 +3 =-5

-3i+4i =i

Final answer is -5+i

Elza [17]3 years ago
5 0
-8-3i+3+4i= -5+I

The answer to the question
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Jerry has a miniature model of a boat. He knows that the boat is 3 3/4 inches wide and 5 1/2 inches long. What is the actual len
FromTheMoon [43]

Width of the miniature model = 3\frac{3}{4} inches

Length of the miniature model = 5\frac{1}{2} inches

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Let us find the actual length of the boat.

Write it in a proportion form.

width of model : length of model : : width of actual : length of actual

$\Rightarrow 3\frac{3}{4}:5\frac{1}{2}::15:x

$\Rightarrow\frac{15}{4}:\frac{11}{2}::15:x

$\Rightarrow\frac{\frac{15}{4}}{\frac{11}{2}} =\frac{15}{x}

Do cross multiplication.

$\Rightarrow{\frac{15}{4}x =15\times\frac{11}{2}

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Find the area of this composite figure step by step
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plz mark my answer as brainlist plzzzz vote me also.

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