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Mandarinka [93]
3 years ago
8

Answer, please. I need help.

Mathematics
2 answers:
kumpel [21]3 years ago
4 0

Answer:

2i, if you don't understand any of the steps let me know, I'd be happy to explain.

Step-by-step explanation:

\sqrt{-x} =\sqrt{-1*x} ,\sqrt{xy}=\sqrt{x} \sqrt{y},   \sqrt{-1}=i

so in order -4 = -1 * 4 so then \sqrt{-1*4}=\sqrt{-1} \sqrt{4} then just solve each

qaws [65]3 years ago
4 0

Answer:

undefined

Step-by-step explanation:

because you can be negative in square root.

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Answer:

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Step-by-step explanation:

La función que representa la condición sería:

f(x) = 20+0.5x

Donde:

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4 years ago
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tangare [24]

Answer:

Step-by-step explanation:

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7 0
3 years ago
4 points: A,B,C and D are marked in order on a line such that AB:AC = 3:5 and BD:CD= 7:2. If CD is 10cm long, find the length of
Jlenok [28]
<span><span>ab:ac=3:5
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4 0
3 years ago
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Answer:


Step-by-step explanation:

Метод

сложных процентов:

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