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Sergio039 [100]
3 years ago
9

What is the square root of -1

Mathematics
2 answers:
KIM [24]3 years ago
7 0
Imaginary number or i
SVETLANKA909090 [29]3 years ago
6 0

Answer:

i

Step-by-step explanation:

It's imaginary, or it can also be referred to as i.

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An eagle can fly at a speed of 50 mph and a starling can fly at 78 mph. How far will the starling fly in the time it takes the e
disa [49]
Well, we know the eagle does 50 miles in 1hr, how long will it be for 125 miles?

well    \bf \begin{array}{ccllll}
miles&hours\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
50&1\\
125&x
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\\\\\\
x=\cfrac{5}{2}

so, the eagle for 125miles does them in 5/2 hours or 2hrs and a half

now, how far will the sterling go in 2hrs and a half?

well, we know the sterling does 75 miles in 1hr

thus   \bf \begin{array}{ccllll}
miles&hours\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
75&1\\
x&\frac{5}{2}
\end{array}\implies \cfrac{75}{x}=\cfrac{1}{\frac{5}{2}}\implies \cfrac{75}{x}=\cfrac{2}{5}

solve for "x"
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