4 years ago

X + 5y = -2

1 answer:

3 0

Answer:

the answer is -1. please thank my answer please and thank you

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Alex_Xolod [135]

The third one is correct so it would be C.

Just substitute X and Y into the question.

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4 years ago

Ad libitum [116K]

we know that

$i^{2} =-1$

we have

$\sqrt{-16} =\sqrt{(-1)*(16)} =\sqrt{(-1)*(4^{2})}$

substitute the value of $i^{2}=-1$ in the expression above

$\sqrt{(-1)*(4^{2})}=\sqrt{i^{2}*4^{2}} \\ \\= 4i$

therefore

the answer is

$4i$

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3 years ago

Anuta_ua [19.1K]

5 give Brainly then I’ll help with all the other ones

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Luda [366]

Answer:

35,28

Step-by-step explanation:

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3 years ago

mote1985 [20]

Answer:

The answer is b or d since the radius is the square root of 4

Step-by-step explanation:

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4 years ago