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Scrat [10]
3 years ago
11

Which complex number has a distance of radical 17 from the origin on the complex plane?

Mathematics
2 answers:
grandymaker [24]3 years ago
7 0
<h2>Answer:</h2>

<u>The right choice is</u><u> (D) 4-i</u>

<h2>Step-by-step explanation:</h2>

See  the attached image

Inga [223]3 years ago
5 0

Answer: LAST OPTION

Step-by-step explanation:

The complex numbers shown have the form:

a+bi

By definition, the distance can the distance of the complex number from the origin on the complex plane can be calculated with the formula shown below:

d=\sqrt{a^2+b^2}

Substitute values of each option. Then:

1) d=\sqrt{2^2+15^2}=\sqrt{229}

2) d=\sqrt{17^2+1^2}=\sqrt{290}

3) d=\sqrt{20^2+(-3)^2}=\sqrt{409}

4) d=\sqrt{4^2+(-1)^2}=\sqrt{17} (CORRECT OPTION)

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A theater is selling movie tickets. The first night, 19 Senior tickets and 57 Adult tickets were sold. The second night, 20 Seni
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Answer:

The theater sold a higher ratio of Senior tickets to Adult tickets on the first night.

Step-by-step explanation:

Rate of senior tickets to adult tickets:

Can also be interpreted as the percentage of senior tickets, out of the number of total tickets, which is the number of senior tickets multiplied by 100% and divided by the number of total tickets.

The first night, 19 Senior tickets and 57 Adult tickets were sold.

19 out of 19 + 57 = 76. So

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The second night, 20 Senior tickets and 62 Adult tickets were sold.

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4 0
3 years ago
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slava [35]

Answer:

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6 0
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x=16 y=38

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